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27 Commits

Author SHA1 Message Date
nobody
1d0f292908 This commit was manufactured by cvs2svn to create tag
'Version_1_31_0'.

[SVN r22162]
2004-02-04 15:24:32 +00:00
John Maddock
3ef8e9f6a0 merged auto-linking support from main branch
[SVN r21595]
2004-01-11 15:56:00 +00:00
nobody
bd65d75841 This commit was manufactured by cvs2svn to create branch 'RC_1_31_0'.
[SVN r21427]
2003-12-30 12:10:04 +00:00
Rene Rivera
515590495a Fix tabs in file.
[SVN r21399]
2003-12-26 23:26:49 +00:00
John Maddock
7221bca909 Added <runtime-link>dynamic requirement to dll build.
[SVN r21355]
2003-12-20 12:55:40 +00:00
John Maddock
ed64a8cd12 Changed #errors to use new requires_threads.hpp header instead.
[SVN r21351]
2003-12-20 11:56:37 +00:00
Beman Dawes
cbd30d22ff fix links broken by index.htm to index.html renaming
[SVN r21233]
2003-12-12 00:00:13 +00:00
Dave Abrahams
0c74dbd436 * Fixed Boost.Thread jamfile to add the missing #include paths
* Modified Python testing code to use the facilities of testing.jam,
  so that it can be processed with process_jam_log

* Updated Python library tests to use a test suite

* Added Python test suite to status/Jamfile

* Added --run-all-tests option to force tests to run even when up-to-date.


Also,
boost-base.jam:

    Added some missing rule signatures

    RUN_LD_LIBRARY_PATH became LINK_LIBPATH because it was only really
    used during linking.

    Reformed the movement of path variables up the dependency graph

    Removed the defunct Run rule

    Set up generalized constants for path manipulation

darwin-tools.jam, gcc-tools.jam:

   use LINK_LIBPATH

python.jam:

   Reformed the choice of Python executable

testing.jam:

   Refactored testing code so it could be used for Python

   Now building all environment variable setup code ahead of time

   RUN_TEST became TEST_EXE


[SVN r20815]
2003-11-15 15:41:41 +00:00
Rene Rivera
49356cc931 Add install definitions for new common install configuration.
[SVN r20409]
2003-10-19 19:52:56 +00:00
Vladimir Prus
ceee6e8b17 Add V2 Jamfile
[SVN r20271]
2003-10-07 08:10:42 +00:00
Dave Abrahams
61ab2754d2 Use the import rule
[SVN r19968]
2003-09-08 17:38:49 +00:00
Dave Abrahams
2de3df61e8 Updates for Win32 builds
[SVN r19727]
2003-08-22 03:41:42 +00:00
Dave Abrahams
b84d7aa06d Port "conditin.hpp" typo fix over from Version_1_30_2
[SVN r19725]
2003-08-21 22:51:38 +00:00
Dave Abrahams
ed48f900a3 Compile on Windows; add some requirements and default-build (though
the latter shouldn't be neccessary?!)


[SVN r19715]
2003-08-20 13:51:35 +00:00
Beman Dawes
d197a49707 fix typo
[SVN r19214]
2003-07-19 14:21:00 +00:00
Beman Dawes
b8ccaa3bf6 Add Wirth's view of semaphores
[SVN r19213]
2003-07-19 14:08:32 +00:00
Beman Dawes
507a684b21 Add [Brinch Hansen 02]
[SVN r19212]
2003-07-19 14:07:50 +00:00
Beman Dawes
c969c9387a Expand semaphore FAQ
[SVN r18952]
2003-07-07 00:39:06 +00:00
William E. Kempf
1709db4953 Fixed exception handling bug in once.cpp.
[SVN r18933]
2003-07-03 13:31:27 +00:00
William E. Kempf
4d1c9ba316 Attempted to fix race condition in test_tss.cpp.
[SVN r18838]
2003-06-18 20:50:15 +00:00
William E. Kempf
45b0396355 Removed Borland warnings.
[SVN r17605]
2003-02-23 17:38:11 +00:00
William E. Kempf
1df2169e48 Removed new(nothrow) calls.
[SVN r17586]
2003-02-22 04:54:19 +00:00
William E. Kempf
2c056b3621 Added acknowledgement for Martin Johnson's help with shared library implementation
[SVN r17510]
2003-02-18 17:02:29 +00:00
William E. Kempf
680119006c Unlocked mutex in all control paths in notify_all
[SVN r17509]
2003-02-18 16:59:03 +00:00
Björn Karlsson
c4ac4b7538 Added copyright statement
[SVN r17222]
2003-02-05 08:38:32 +00:00
William E. Kempf
ff5d3b49ca Updated format (removed tabs) and added missing copyrights
[SVN r17214]
2003-02-04 23:23:02 +00:00
William E. Kempf
e101c878f0 Updated format (removed tabs) and added missing copyrights
[SVN r17213]
2003-02-04 23:08:28 +00:00
64 changed files with 1859 additions and 1250 deletions

View File

@@ -22,15 +22,14 @@ subproject libs/thread/build ;
# Include threads.jam for Boost.Threads global build information.
# This greatly simplifies the Jam code needed to configure the build
# for the various Win32 build types.
SEARCH on <module@>threads.jam = $(SUBDIR) ;
include <module@>threads.jam ;
import ./threads ;
{
template thread_libs
## sources ##
: <template>thread_base
## requirements ##
:
: <sysinclude>$(BOOST_ROOT)
## default build ##
: debug release
;
@@ -42,6 +41,11 @@ include <module@>threads.jam ;
dll boost_thread
: <template>thread_libs ../src/$(CPP_SOURCES).cpp
: <define>BOOST_THREAD_BUILD_DLL=1
<runtime-link>dynamic
# the common names rule ensures that the library will
# be named according to the rules used by the install
# and auto-link features:
common-variant-tag
;
stage bin-stage
@@ -50,4 +54,8 @@ include <module@>threads.jam ;
<tag><debug>"d"
: debug release
;
install thread lib
: <dll>boost_thread
;
}

View File

@@ -1,12 +1,26 @@
import os ;
# Declare the uses system library
lib pthread : : <name>pthread ;
if [ os.name ] = NT
{
reqts = <link>shared:<define>BOOST_THREAD_BUILD_DLL=1 ;
}
else
{
# Declare the uses system library
lib pthread : : <name>pthread ;
usage = <library>pthread ;
}
project boost/thread
: source-location ../src
: usage-requirements <library>pthread
: usage-requirements $(usage)
: requirements $(reqts) <threading>multi
: default-build <threading>multi
;
CPP_SOURCES = condition mutex recursive_mutex thread tss xtime once exceptions ;
CPP_SOURCES = condition mutex recursive_mutex thread tss xtime once
exceptions threadmon ;
lib boost_thread : $(CPP_SOURCES).cpp ;
lib boost_thread
: $(CPP_SOURCES).cpp
;

View File

@@ -22,6 +22,7 @@
:
## requirements ##
: <sysinclude>$(BOOST_ROOT) <threading>multi $(pthreads-win32)
<borland><*><cxxflags>-w-8004
## default build ##
:
;

View File

@@ -27,8 +27,8 @@
Win32 implementation, especially in regards to boost::condition, as well as
a lot of explanation of POSIX behavior), Greg Colvin (lots of input on the design),
Paul Mclachlan, Thomas Matelich and Iain Hanson (for help in trying to get the
build to work on other platforms), and Kevin S. Van Horn (for several updates/corrections
to the documentation).</p>
build to work on other platforms), Kevin S. Van Horn (for several updates/corrections
to the documentation), and Martin Johnson (shared library implementation).</p>
<p>The documentation was written by William E. Kempf. Beman Dawes provided additional
documentation material and editing.</p>
<p>Discussions on the boost.org mailing list were essential in the development

View File

@@ -28,7 +28,8 @@
"http://www.acm.org/pubs/citations/journals/surveys/1983-15-1/p3-andrews/">
http://www.acm.org/pubs/citations/journals/surveys/1983-15-1/p3-andrews/</a>
<p>Good general background reading. Includes descriptions of Path Expressions,
Message Passing, and Remote Procedure Call in addition to the basics.</p>
Message Passing, and Remote Procedure Call in addition to the basics.
Section 3.3 explains why semaphores are considered error prone.</p>
</td>
</tr>
<tr>
@@ -53,12 +54,28 @@
from event queues and semaphores to critical regions and monitors.&quot;
Includes analysis of why <i>events</i> are considered error-prone. Also
noteworthy because of an introductory quotation from Christopher Alexander;
Brinch Hansen was years ahead of others in recognizing pattern concepts
Brinch Hansen was years ahead of others in recognizing that pattern concepts
applied to software too.</p>
</td>
</tr>
<tr>
<td width="102" valign="top" align="left"><b>]<a name=
<td width="102" valign="top" align="left"><b>[<a name="Brinch-Hansen-02">Brinch
Hansen 02</a>]</b></td>
<td width="645">
Per Brinch Hansen, Ed.,&nbsp; <i>The Origin of Concurrent Programming,
from Semaphores to Remote Procedure Calls</i>, Springer-Verlag, 2002. ISBN
0-387-95401-5.
<a href="http://www.springer-ny.com/detail.tpl?isbn=0387954015">
http://www.springer-ny.com/detail.tpl?isbn=0387954015</a><p>Nineteen of
the original seminal papers by Dijkstra, Brinch Hansen, and Hoare, plus a
current (2001) Overview by Brinch Hansen. Although expensive, it is hard
to imagine anyone who is interested in understanding the underpinnings of
any form of concurrent programming who would not want to own this book.
May not be of interest for those who just want to use Boost.Threads and
don't care about the design issues hidden behind the curtain.</td>
</tr>
<tr>
<td width="102" valign="top" align="left"><b>[<a name=
"Butenhof-97">Butenhof 97</a>]</b></td>
<td width="645">
<p>David R. Butenhof, <cite>Programming with POSIX Threads</cite>, Addison-Wesley
@@ -80,7 +97,8 @@
"http://www.acm.org/classics/feb96/"> http://www.acm.org/classics/feb96/</a></p>
<p>Hoare and Brinch Hansen&#39;s work on Monitors is the basis for reliable
multithreading patterns. This is one of the most often referenced papers
in all of computer science, and with good reason.</p>
in all of computer science, and with good reason. It is included in [<a href="#Brinch-Hansen-02">Brinch
Hansen 02</a>]</p>
</td>
</tr>
<tr>
@@ -149,12 +167,10 @@
be visible on printed copies of this document.</p>
<hr>
<p>Revised
<!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B, %Y" startspan -->
05 November, 2001
<!--webbot bot="Timestamp" endspan i-checksum="39359" -->
<!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B, %Y" startspan -->19 July, 2003<!--webbot bot="Timestamp" endspan i-checksum="21111" -->
</p>
<p><i>&copy; Copyright <a href="mailto:wekempf@cox.net">William E. Kempf</a> and
Beman Dawes 2001-2002. All Rights Reserved.</i></p>
<a href="../../../people/beman_dawes.html">Beman Dawes</a> 2001-2003. All Rights Reserved.</i></p>
<p>Permission to use, copy, modify, distribute and sell this software and its
documentation for any purpose is hereby granted without fee, provided that the
above copyright notice appear in all copies and that both that copyright notice
@@ -162,4 +178,4 @@
makes no representations about the suitability of this software for any purpose.
It is provided &quot;as is&quot; without express or implied warranty.</p>
</body>
</html>
</html>

View File

@@ -163,10 +163,19 @@ private:
by Darryl Green).</p>
<h2><a name="question10"></a>10. Why has class semaphore disappeared?</h2>
<p>Semaphore was removed as too error prone. The same effect can be achieved with
greater safety by the combination of a mutex and a condition variable.</p>
greater safety by the combination of a mutex and a condition variable.
Dijkstra (the semaphore's inventor), Hoare, and Brinch Hansen all depreciated
semaphores and advocated more structured alternatives. In a 1969 letter to
Brinch Hansen, Wirth said &quot;semaphores ... are not suitable for higher level
languages.&quot; [<a href="bibliography.html#Andrews-83">Andrews-83]</a>
summarizes typical errors as &quot;omitting a <b>P</b> or a <b>V</b>, or accidentally
coding a <b>P</b> on one semaphore and a <b>V </b>on on another&quot;, forgetting to
include all references to shared objects in critical sections, and confusion
caused by using the same primitive for &quot;both condition synchronization and
mutual exclusion&quot;.</p>
<hr>
<p>Revised
<!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B, %Y" startspan -->09 January, 2003<!--webbot bot="Timestamp" endspan i-checksum="38582" -->
<!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B, %Y" startspan -->19 July, 2003<!--webbot bot="Timestamp" endspan i-checksum="21111" -->
</p>
<p><i>&copy; Copyright <a href="mailto:wekempf@cox.net">William E. Kempf</a> 2001-2002.
All Rights Reserved.</i></p>

View File

@@ -136,7 +136,7 @@
<p><b>Recommendation:</b> For the most portable, yet thread-safe code, use Boost
replacements for the problem functions. See the <a href=
"../../random/index.html">Boost Random Number Library</a> and <a href=
"../../tokenizer/index.htm">Boost Tokenizer Library</a>.</p>
"../../tokenizer/index.html">Boost Tokenizer Library</a>.</p>
<h2><a name="common-gaurantees"></a>Common guarantees for all Boost.Threads components</h2>
<h3><a name="exceptions"></a>Exceptions</h3>
<p><b>Boost.Threads</b> destructors never throw exceptions. Unless otherwise specified,

View File

@@ -1,7 +1,19 @@
# (C) Copyright William E. Kempf 2001. Permission to copy, use, modify, sell and
# distribute this software is granted provided this copyright notice appears
# in all copies. This software is provided "as is" without express or implied
# warranty, and with no claim as to its suitability for any purpose.
# (C) Copyright William E. Kempf 2001. Permission to copy, use, modify, sell
# and distribute this software is granted provided this copyright notice
# appears in all copies. This software is provided "as is" without express or
# implied warranty, and with no claim as to its suitability for any purpose.
#
# Boost.Threads example Jamfile
#
# Additional configuration variables used:
# 1. PTW32 may be used on Win32 platforms to specify that the pthreads-win32
# library should be used instead of "native" threads. This feature is
# mostly used for testing and it's generally recommended you use the
# native threading libraries instead. PTW32 should be set to be a list
# of two strings, the first specifying the installation path of the
# pthreads-win32 library and the second specifying which library
# variant to link against (see the pthreads-win32 documentation).
# Example: jam -sPTW32="c:\pthreads-win32 pthreadVCE.lib"
# Declare the location of this subproject relative to the root.
subproject libs/thread/example ;
@@ -9,28 +21,28 @@ subproject libs/thread/example ;
# Include threads.jam for Boost.Threads global build information.
# This greatly simplifies the Jam code needed to configure the build
# for the various Win32 build types.
SEARCH on <module@>threads.jam = $(BOOST_ROOT)/libs/thread/build ;
include <module@>threads.jam ;
import ../build/threads ;
template example
## sources ##
: <template>thread_base
<dll>../build/boost_thread
$(threadmon)
## requirements ##
:
## default build ##
: release <runtime-link>dynamic
;
{
template example
## sources ##
: <template>thread_base
<dll>../build/boost_thread
## requirements ##
:
## default build ##
:
;
exe monitor : <template>example monitor.cpp ;
exe starvephil : <template>example starvephil.cpp ;
exe tennis : <template>example tennis.cpp ;
exe condition : <template>example condition.cpp ;
exe mutex : <template>example mutex.cpp ;
exe once : <template>example once.cpp ;
exe recursive_mutex : <template>example recursive_mutex.cpp ;
exe thread : <template>example thread.cpp ;
exe thread_group : <template>example thread_group.cpp ;
exe tss : <template>example tss.cpp ;
exe xtime : <template>example xtime.cpp ;
exe monitor : <template>example monitor.cpp ;
exe starvephil : <template>example starvephil.cpp ;
exe tennis : <template>example tennis.cpp ;
exe condition : <template>example condition.cpp ;
exe mutex : <template>example mutex.cpp ;
exe once : <template>example once.cpp ;
exe recursive_mutex : <template>example recursive_mutex.cpp ;
exe thread : <template>example thread.cpp ;
exe thread_group : <template>example thread_group.cpp ;
exe tss : <template>example tss.cpp ;
exe xtime : <template>example xtime.cpp ;
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <iostream>
#include <vector>
#include <boost/utility.hpp>
@@ -43,9 +54,9 @@ bounded_buffer buf(2);
void sender() {
int n = 0;
while (n < 100) {
buf.send(n);
std::cout << "sent: " << n << std::endl;
++n;
buf.send(n);
std::cout << "sent: " << n << std::endl;
++n;
}
buf.send(-1);
}
@@ -53,8 +64,8 @@ void sender() {
void receiver() {
int n;
do {
n = buf.receive();
std::cout << "received: " << n << std::endl;
n = buf.receive();
std::cout << "received: " << n << std::endl;
} while (n != -1); // -1 indicates end of buffer
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <vector>
#include <iostream>
#include <boost/thread/condition.hpp>
@@ -6,9 +17,11 @@
#include <boost/thread/thread.hpp>
namespace {
const int ITERS = 100;
boost::mutex io_mutex;
}
const int ITERS = 100;
boost::mutex io_mutex;
} // namespace
template <typename M>
class buffer_t

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/mutex.hpp>
#include <boost/thread/thread.hpp>
#include <iostream>

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <boost/thread/once.hpp>
#include <cassert>
@@ -12,14 +23,14 @@ void init()
void thread_proc()
{
boost::call_once(&init, once);
boost::call_once(&init, once);
}
int main(int argc, char* argv[])
{
boost::thread_group threads;
for (int i=0; i<5; ++i)
threads.create_thread(&thread_proc);
threads.join_all();
assert(value == 1);
boost::thread_group threads;
for (int i=0; i<5; ++i)
threads.create_thread(&thread_proc);
threads.join_all();
assert(value == 1);
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/recursive_mutex.hpp>
#include <boost/thread/thread.hpp>
#include <iostream>

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition.hpp>
#include <boost/thread/thread.hpp>
@@ -5,9 +16,10 @@
#include <iostream>
#include <time.h>
namespace
{
boost::mutex iomx;
namespace {
boost::mutex iomx;
}
class canteen
@@ -39,8 +51,9 @@ public:
boost::mutex::scoped_lock lock(m_mutex);
{
boost::mutex::scoped_lock lock(iomx);
std::cout << "(" << clock() <<
") Chef: ouch ... make room ... this dish is very hot ..." << std::endl;
std::cout << "(" << clock()
<< ") Chef: ouch ... make room ... this dish is "
<< "very hot ..." << std::endl;
}
boost::xtime xt;
boost::xtime_get(&xt, boost::TIME_UTC);
@@ -84,7 +97,7 @@ void chef()
{
boost::mutex::scoped_lock lock(iomx);
std::cout << "(" << clock() << ") Chef: " << chickens
<< " chickens, ready-to-go ..." << std::endl;
<< " chickens, ready-to-go ..." << std::endl;
}
g_canteen.put(chickens);
}
@@ -96,7 +109,8 @@ struct phil
void run() {
{
boost::mutex::scoped_lock lock(iomx);
std::cout << "(" << clock() << ") Phil" << m_id << ": starting ..." << std::endl;
std::cout << "(" << clock() << ") Phil" << m_id
<< ": starting ..." << std::endl;
}
for (;;)
{
@@ -110,13 +124,13 @@ struct phil
{
boost::mutex::scoped_lock lock(iomx);
std::cout << "(" << clock() << ") Phil" << m_id
<< ": gotta eat ..." << std::endl;
<< ": gotta eat ..." << std::endl;
}
g_canteen.get(m_id);
{
boost::mutex::scoped_lock lock(iomx);
std::cout << "(" << clock() << ") Phil" << m_id
<< ": mmm ... that's good ..." << std::endl;
<< ": mmm ... that's good ..." << std::endl;
}
}
}
@@ -129,7 +143,10 @@ struct phil
struct thread_adapt
{
thread_adapt(void (*func)(void*), void* param) : _func(func), _param(param) { }
thread_adapt(void (*func)(void*), void* param)
: _func(func), _param(param)
{
}
int operator()() const
{
_func(_param);
@@ -143,7 +160,10 @@ struct thread_adapt
class thread_adapter
{
public:
thread_adapter(void (*func)(void*), void* param) : _func(func), _param(param) { }
thread_adapter(void (*func)(void*), void* param)
: _func(func), _param(param)
{
}
void operator()() const { _func(_param); }
private:
void (*_func)(void*);

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition.hpp>
#include <boost/thread/thread.hpp>
@@ -49,7 +60,8 @@ void player(void* param)
{
cond.wait(lock);
if (state == other)
std::cout << "---" << player_name(active) << ": Spurious wakeup!" << std::endl;
std::cout << "---" << player_name(active)
<< ": Spurious wakeup!" << std::endl;
} while (state == other);
}
@@ -60,7 +72,10 @@ void player(void* param)
struct thread_adapt
{
thread_adapt(void (*func)(void*), void* param) : _func(func), _param(param) { }
thread_adapt(void (*func)(void*), void* param)
: _func(func), _param(param)
{
}
int operator()() const
{
_func(_param);
@@ -74,7 +89,10 @@ struct thread_adapt
class thread_adapter
{
public:
thread_adapter(void (*func)(void*), void* param) : _func(func), _param(param) { }
thread_adapter(void (*func)(void*), void* param)
: _func(func), _param(param)
{
}
void operator()() const { _func(_param); }
private:
void (*_func)(void*);

View File

@@ -1,29 +1,40 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <boost/thread/xtime.hpp>
#include <iostream>
struct thread_alarm
{
thread_alarm(int secs) : m_secs(secs) { }
void operator()()
{
boost::xtime xt;
boost::xtime_get(&xt, boost::TIME_UTC);
xt.sec += m_secs;
thread_alarm(int secs) : m_secs(secs) { }
void operator()()
{
boost::xtime xt;
boost::xtime_get(&xt, boost::TIME_UTC);
xt.sec += m_secs;
boost::thread::sleep(xt);
boost::thread::sleep(xt);
std::cout << "alarm sounded..." << std::endl;
}
std::cout << "alarm sounded..." << std::endl;
}
int m_secs;
int m_secs;
};
int main(int argc, char* argv[])
{
int secs = 5;
std::cout << "setting alarm for 5 seconds..." << std::endl;
thread_alarm alarm(secs);
boost::thread thrd(alarm);
thrd.join();
int secs = 5;
std::cout << "setting alarm for 5 seconds..." << std::endl;
thread_alarm alarm(secs);
boost::thread thrd(alarm);
thrd.join();
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <iostream>
@@ -6,14 +17,14 @@ boost::mutex mutex;
void increment_count()
{
boost::mutex::scoped_lock lock(mutex);
std::cout << "count = " << ++count << std::endl;
boost::mutex::scoped_lock lock(mutex);
std::cout << "count = " << ++count << std::endl;
}
int main(int argc, char* argv[])
{
boost::thread_group threads;
for (int i = 0; i < 10; ++i)
threads.create_thread(&increment_count);
threads.join_all();
boost::thread_group threads;
for (int i = 0; i < 10; ++i)
threads.create_thread(&increment_count);
threads.join_all();
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <boost/thread/tss.hpp>
#include <cassert>
@@ -6,25 +17,25 @@ boost::thread_specific_ptr<int> value;
void increment()
{
int* p = value.get();
++*p;
int* p = value.get();
++*p;
}
void thread_proc()
{
value.reset(new int(0)); // initialize the thread's storage
for (int i=0; i<10; ++i)
{
increment();
int* p = value.get();
assert(*p == i+1);
}
value.reset(new int(0)); // initialize the thread's storage
for (int i=0; i<10; ++i)
{
increment();
int* p = value.get();
assert(*p == i+1);
}
}
int main(int argc, char* argv[])
{
boost::thread_group threads;
for (int i=0; i<5; ++i)
threads.create_thread(&thread_proc);
threads.join_all();
boost::thread_group threads;
for (int i=0; i<5; ++i)
threads.create_thread(&thread_proc);
threads.join_all();
}

View File

@@ -1,10 +1,21 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <boost/thread/xtime.hpp>
int main(int argc, char* argv[])
{
boost::xtime xt;
boost::xtime_get(&xt, boost::TIME_UTC);
xt.sec += 1;
boost::thread::sleep(xt); // Sleep for 1 second
boost::xtime xt;
boost::xtime_get(&xt, boost::TIME_UTC);
xt.sec += 1;
boost::thread::sleep(xt); // Sleep for 1 second
}

View File

@@ -1,8 +1,19 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#if !defined(BOOST_THREAD_WEK01082003_HPP)
#define BOOST_THREAD_WEK01082003_HPP
#include <boost/thread/thread.hpp>
#include <boost/thread/conditin.hpp>
#include <boost/thread/condition.hpp>
#include <boost/thread/exceptions.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/once.hpp>

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -13,9 +13,9 @@
#define BOOST_CONDITION_WEK070601_HPP
#include <boost/config.hpp>
#ifndef BOOST_HAS_THREADS
# error Thread support is unavailable!
#endif
// insist on threading support being available:
#include <boost/config/requires_threads.hpp>
#include <boost/thread/exceptions.hpp>
#include <boost/utility.hpp>
@@ -143,9 +143,9 @@ private:
typedef detail::thread::lock_ops<M>
#if defined(__HP_aCC) && __HP_aCC <= 33900 && !defined(BOOST_STRICT_CONFIG)
# define lock_ops lock_ops_ // HP confuses lock_ops witht the template
#endif
#endif
lock_ops;
typename lock_ops::lock_state state;
lock_ops::unlock(mutex, state);
@@ -169,9 +169,9 @@ private:
typedef detail::thread::lock_ops<M>
#if defined(__HP_aCC) && __HP_aCC <= 33900 && !defined(BOOST_STRICT_CONFIG)
# define lock_ops lock_ops_ // HP confuses lock_ops witht the template
#endif
#endif
lock_ops;
typename lock_ops::lock_state state;
lock_ops::unlock(mutex, state);

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#ifndef BOOST_THREAD_CONFIG_WEK01032003_HPP
#define BOOST_THREAD_CONFIG_WEK01032003_HPP
@@ -11,4 +22,23 @@
# define BOOST_THREAD_DECL
#endif // BOOST_THREAD_SHARED_LIB
//
// Automatically link to the correct build variant where possible.
//
#if !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_THREAD_NO_LIB) && !defined(BOOST_THREAD_BUILD_DLL)
//
// Set the name of our library, this will get undef'ed by auto_link.hpp
// once it's done with it:
//
#define BOOST_LIB_NAME boost_thread
//
// If we're importing code from a dll, then tell auto_link.hpp about it:
//
# define BOOST_DYN_LINK
//
// And include the header that does the work:
//
#include <boost/config/auto_link.hpp>
#endif // auto-linking disabled
#endif // BOOST_THREAD_CONFIG_WEK1032003_HPP

View File

@@ -26,12 +26,12 @@ namespace thread {
// general case
template<class Return_Type, class Argument_Type>
inline Return_Type &force_cast(Argument_Type &rSrc)
{ return(*reinterpret_cast<Return_Type *>(&rSrc)); }
{ return(*reinterpret_cast<Return_Type *>(&rSrc)); }
// specialization for const
template<class Return_Type, class Argument_Type>
inline const Return_Type &force_cast(const Argument_Type &rSrc)
{ return(*reinterpret_cast<const Return_Type *>(&rSrc)); }
{ return(*reinterpret_cast<const Return_Type *>(&rSrc)); }
} // namespace thread

View File

@@ -20,182 +20,182 @@ namespace boost {
class condition;
struct xtime;
namespace detail { namespace thread {
namespace detail { namespace thread {
template <typename Mutex>
class lock_ops : private noncopyable
template <typename Mutex>
class lock_ops : private noncopyable
{
private:
lock_ops() { }
public:
typedef typename Mutex::cv_state lock_state;
static void lock(Mutex& m)
{
private:
lock_ops() { }
public:
typedef typename Mutex::cv_state lock_state;
static void lock(Mutex& m)
{
m.do_lock();
}
static bool trylock(Mutex& m)
{
return m.do_trylock();
}
static bool timedlock(Mutex& m, const xtime& xt)
{
return m.do_timedlock(xt);
}
static void unlock(Mutex& m)
{
m.do_unlock();
}
static void lock(Mutex& m, lock_state& state)
{
m.do_lock(state);
}
static void unlock(Mutex& m, lock_state& state)
{
m.do_unlock(state);
}
};
template <typename Mutex>
class scoped_lock : private noncopyable
m.do_lock();
}
static bool trylock(Mutex& m)
{
public:
typedef Mutex mutex_type;
explicit scoped_lock(Mutex& mx, bool initially_locked=true)
: m_mutex(mx), m_locked(false)
{
if (initially_locked) lock();
}
~scoped_lock()
{
if (m_locked) unlock();
}
void lock()
{
if (m_locked) throw lock_error();
lock_ops<Mutex>::lock(m_mutex);
m_locked = true;
}
void unlock()
{
if (!m_locked) throw lock_error();
lock_ops<Mutex>::unlock(m_mutex);
m_locked = false;
}
bool locked() const { return m_locked; }
operator const void*() const { return m_locked ? this : 0; }
private:
friend class boost::condition;
Mutex& m_mutex;
bool m_locked;
};
template <typename TryMutex>
class scoped_try_lock : private noncopyable
return m.do_trylock();
}
static bool timedlock(Mutex& m, const xtime& xt)
{
public:
typedef TryMutex mutex_type;
explicit scoped_try_lock(TryMutex& mx)
: m_mutex(mx), m_locked(false)
{
try_lock();
}
scoped_try_lock(TryMutex& mx, bool initially_locked)
: m_mutex(mx), m_locked(false)
{
if (initially_locked) lock();
}
~scoped_try_lock()
{
if (m_locked) unlock();
}
void lock()
{
if (m_locked) throw lock_error();
lock_ops<TryMutex>::lock(m_mutex);
m_locked = true;
}
bool try_lock()
{
if (m_locked) throw lock_error();
return (m_locked = lock_ops<TryMutex>::trylock(m_mutex));
}
void unlock()
{
if (!m_locked) throw lock_error();
lock_ops<TryMutex>::unlock(m_mutex);
m_locked = false;
}
bool locked() const { return m_locked; }
operator const void*() const { return m_locked ? this : 0; }
private:
friend class boost::condition;
TryMutex& m_mutex;
bool m_locked;
};
template <typename TimedMutex>
class scoped_timed_lock : private noncopyable
return m.do_timedlock(xt);
}
static void unlock(Mutex& m)
{
public:
typedef TimedMutex mutex_type;
m.do_unlock();
}
static void lock(Mutex& m, lock_state& state)
{
m.do_lock(state);
}
static void unlock(Mutex& m, lock_state& state)
{
m.do_unlock(state);
}
};
scoped_timed_lock(TimedMutex& mx, const xtime& xt)
: m_mutex(mx), m_locked(false)
{
timed_lock(xt);
}
scoped_timed_lock(TimedMutex& mx, bool initially_locked)
: m_mutex(mx), m_locked(false)
{
if (initially_locked) lock();
}
~scoped_timed_lock()
{
if (m_locked) unlock();
}
template <typename Mutex>
class scoped_lock : private noncopyable
{
public:
typedef Mutex mutex_type;
void lock()
{
if (m_locked) throw lock_error();
lock_ops<TimedMutex>::lock(m_mutex);
m_locked = true;
}
bool timed_lock(const xtime& xt)
{
if (m_locked) throw lock_error();
return (m_locked = lock_ops<TimedMutex>::timedlock(m_mutex, xt));
}
void unlock()
{
if (!m_locked) throw lock_error();
lock_ops<TimedMutex>::unlock(m_mutex);
m_locked = false;
}
explicit scoped_lock(Mutex& mx, bool initially_locked=true)
: m_mutex(mx), m_locked(false)
{
if (initially_locked) lock();
}
~scoped_lock()
{
if (m_locked) unlock();
}
bool locked() const { return m_locked; }
operator const void*() const { return m_locked ? this : 0; }
void lock()
{
if (m_locked) throw lock_error();
lock_ops<Mutex>::lock(m_mutex);
m_locked = true;
}
void unlock()
{
if (!m_locked) throw lock_error();
lock_ops<Mutex>::unlock(m_mutex);
m_locked = false;
}
private:
friend class boost::condition;
bool locked() const { return m_locked; }
operator const void*() const { return m_locked ? this : 0; }
TimedMutex& m_mutex;
bool m_locked;
};
private:
friend class boost::condition;
} // namespace thread
} // namespace detail
Mutex& m_mutex;
bool m_locked;
};
template <typename TryMutex>
class scoped_try_lock : private noncopyable
{
public:
typedef TryMutex mutex_type;
explicit scoped_try_lock(TryMutex& mx)
: m_mutex(mx), m_locked(false)
{
try_lock();
}
scoped_try_lock(TryMutex& mx, bool initially_locked)
: m_mutex(mx), m_locked(false)
{
if (initially_locked) lock();
}
~scoped_try_lock()
{
if (m_locked) unlock();
}
void lock()
{
if (m_locked) throw lock_error();
lock_ops<TryMutex>::lock(m_mutex);
m_locked = true;
}
bool try_lock()
{
if (m_locked) throw lock_error();
return (m_locked = lock_ops<TryMutex>::trylock(m_mutex));
}
void unlock()
{
if (!m_locked) throw lock_error();
lock_ops<TryMutex>::unlock(m_mutex);
m_locked = false;
}
bool locked() const { return m_locked; }
operator const void*() const { return m_locked ? this : 0; }
private:
friend class boost::condition;
TryMutex& m_mutex;
bool m_locked;
};
template <typename TimedMutex>
class scoped_timed_lock : private noncopyable
{
public:
typedef TimedMutex mutex_type;
scoped_timed_lock(TimedMutex& mx, const xtime& xt)
: m_mutex(mx), m_locked(false)
{
timed_lock(xt);
}
scoped_timed_lock(TimedMutex& mx, bool initially_locked)
: m_mutex(mx), m_locked(false)
{
if (initially_locked) lock();
}
~scoped_timed_lock()
{
if (m_locked) unlock();
}
void lock()
{
if (m_locked) throw lock_error();
lock_ops<TimedMutex>::lock(m_mutex);
m_locked = true;
}
bool timed_lock(const xtime& xt)
{
if (m_locked) throw lock_error();
return (m_locked = lock_ops<TimedMutex>::timedlock(m_mutex, xt));
}
void unlock()
{
if (!m_locked) throw lock_error();
lock_ops<TimedMutex>::unlock(m_mutex);
m_locked = false;
}
bool locked() const { return m_locked; }
operator const void*() const { return m_locked ? this : 0; }
private:
friend class boost::condition;
TimedMutex& m_mutex;
bool m_locked;
};
} // namespace thread
} // namespace detail
} // namespace boost
// Change Log:

View File

@@ -26,29 +26,29 @@ namespace thread {
template<class T>
class singleton: private T
{
private:
private:
singleton();
~singleton();
public:
public:
static T &instance();
};
template<class T>
inline singleton<T>::singleton()
{ /* no-op */ }
{ /* no-op */ }
template<class T>
inline singleton<T>::~singleton()
{ /* no-op */ }
{ /* no-op */ }
template<class T>
/*static*/ T &singleton<T>::instance()
{
// function-local static to force this to work correctly at static initialization
// time.
// function-local static to force this to work correctly at static
// initialization time.
static singleton<T> s_oT;
return(s_oT);
}

View File

@@ -1,7 +1,17 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/config.hpp>
#ifndef BOOST_HAS_THREADS
# error Thread support is unavailable!
#endif
// insist on threading support being available:
#include <boost/config/requires_threads.hpp>
#include <boost/thread/detail/config.hpp>

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -13,9 +13,8 @@
#define BOOST_MUTEX_WEK070601_HPP
#include <boost/config.hpp>
#ifndef BOOST_HAS_THREADS
# error Thread support is unavailable!
#endif
// insist on threading support being available:
#include <boost/config/requires_threads.hpp>
#include <boost/utility.hpp>
#include <boost/thread/detail/lock.hpp>

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -13,9 +13,8 @@
#define BOOST_ONCE_WEK080101_HPP
#include <boost/config.hpp>
#ifndef BOOST_HAS_THREADS
# error Thread support is unavailable!
#endif
// insist on threading support being available:
#include <boost/config/requires_threads.hpp>
#include <boost/thread/detail/config.hpp>

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -13,9 +13,8 @@
#define BOOST_RECURSIVE_MUTEX_WEK070601_HPP
#include <boost/config.hpp>
#ifndef BOOST_HAS_THREADS
# error Thread support is unavailable!
#endif
// insist on threading support being available:
#include <boost/config/requires_threads.hpp>
#include <boost/utility.hpp>
#include <boost/thread/detail/lock.hpp>
@@ -80,7 +79,8 @@ public:
friend class detail::thread::lock_ops<recursive_try_mutex>;
typedef detail::thread::scoped_lock<recursive_try_mutex> scoped_lock;
typedef detail::thread::scoped_try_lock<recursive_try_mutex> scoped_try_lock;
typedef detail::thread::scoped_try_lock<
recursive_try_mutex> scoped_try_lock;
recursive_try_mutex();
~recursive_try_mutex();
@@ -125,8 +125,10 @@ public:
friend class detail::thread::lock_ops<recursive_timed_mutex>;
typedef detail::thread::scoped_lock<recursive_timed_mutex> scoped_lock;
typedef detail::thread::scoped_try_lock<recursive_timed_mutex> scoped_try_lock;
typedef detail::thread::scoped_timed_lock<recursive_timed_mutex> scoped_timed_lock;
typedef detail::thread::scoped_try_lock<
recursive_timed_mutex> scoped_try_lock;
typedef detail::thread::scoped_timed_lock<
recursive_timed_mutex> scoped_timed_lock;
recursive_timed_mutex();
~recursive_timed_mutex();

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -13,9 +13,8 @@
#define BOOST_THREAD_WEK070601_HPP
#include <boost/config.hpp>
#ifndef BOOST_HAS_THREADS
# error Thread support is unavailable!
#endif
// insist on threading support being available:
#include <boost/config/requires_threads.hpp>
#include <boost/utility.hpp>
#include <boost/function.hpp>

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -13,9 +13,8 @@
#define BOOST_TSS_WEK070601_HPP
#include <boost/config.hpp>
#ifndef BOOST_HAS_THREADS
# error Thread support is unavailable!
#endif
// insist on threading support being available:
#include <boost/config/requires_threads.hpp>
#include <boost/utility.hpp>
#include <boost/thread/detail/config.hpp>
@@ -28,32 +27,32 @@
namespace boost {
namespace detail {
class BOOST_THREAD_DECL tss : private noncopyable
{
public:
tss(void (*cleanup)(void*)=0);
~tss();
namespace detail {
class BOOST_THREAD_DECL tss : private noncopyable
{
public:
tss(void (*cleanup)(void*)=0);
~tss();
void* get() const;
bool set(void* value);
void* get() const;
bool set(void* value);
private:
#if defined(BOOST_HAS_WINTHREADS)
unsigned long m_key;
void (*m_cleanup)(void*);
#elif defined(BOOST_HAS_PTHREADS)
pthread_key_t m_key;
#elif defined(BOOST_HAS_MPTASKS)
TaskStorageIndex m_key;
void (*m_cleanup)(void*);
#endif
};
private:
#if defined(BOOST_HAS_WINTHREADS)
unsigned long m_key;
void (*m_cleanup)(void*);
#elif defined(BOOST_HAS_PTHREADS)
pthread_key_t m_key;
#elif defined(BOOST_HAS_MPTASKS)
TaskStorageIndex m_key;
void (*m_cleanup)(void*);
#endif
};
#if defined(BOOST_HAS_MPTASKS)
void thread_cleanup();
#endif
}
#if defined(BOOST_HAS_MPTASKS)
void thread_cleanup();
#endif
}
template <typename T>
class thread_specific_ptr : private noncopyable
@@ -65,7 +64,13 @@ public:
T* operator->() const { return get(); }
T& operator*() const { return *get(); }
T* release() { T* temp = get(); m_tss.set(0); return temp; }
void reset(T* p=0) { T* cur = get(); if (cur == p) return; delete cur; m_tss.set(p); }
void reset(T* p=0)
{
T* cur = get();
if (cur == p) return;
delete cur;
m_tss.set(p);
}
private:
static void cleanup(void* p) { delete static_cast<T*>(p); }

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -25,9 +25,9 @@
#elif defined(BOOST_HAS_PTHREADS)
# include <errno.h>
#elif defined(BOOST_HAS_MPTASKS)
# include <MacErrors.h>
# include "mac/init.hpp"
# include "mac/safe.hpp"
# include <MacErrors.h>
# include "mac/init.hpp"
# include "mac/safe.hpp"
#endif
namespace boost {
@@ -40,30 +40,31 @@ condition_impl::condition_impl()
{
m_gate = reinterpret_cast<void*>(CreateSemaphore(0, 1, 1, 0));
m_queue = reinterpret_cast<void*>(CreateSemaphore(0, 0,
std::numeric_limits<long>::max(), 0));
std::numeric_limits<long>::max(),
0));
m_mutex = reinterpret_cast<void*>(CreateMutex(0, 0, 0));
if (!m_gate || !m_queue || !m_mutex)
{
int res = 0;
if (m_gate)
{
res = CloseHandle(reinterpret_cast<HANDLE>(m_gate));
assert(res);
}
if (m_queue)
{
res = CloseHandle(reinterpret_cast<HANDLE>(m_queue));
assert(res);
}
if (m_mutex)
{
res = CloseHandle(reinterpret_cast<HANDLE>(m_mutex));
assert(res);
}
int res = 0;
if (m_gate)
{
res = CloseHandle(reinterpret_cast<HANDLE>(m_gate));
assert(res);
}
if (m_queue)
{
res = CloseHandle(reinterpret_cast<HANDLE>(m_queue));
assert(res);
}
if (m_mutex)
{
res = CloseHandle(reinterpret_cast<HANDLE>(m_mutex));
assert(res);
}
throw thread_resource_error();
}
throw thread_resource_error();
}
}
condition_impl::~condition_impl()
@@ -86,47 +87,47 @@ void condition_impl::notify_one()
assert(res == WAIT_OBJECT_0);
if (m_waiting != 0) // the m_gate is already closed
{
if (m_blocked == 0)
{
res = ReleaseMutex(reinterpret_cast<HANDLE>(m_mutex));
assert(res);
return;
}
if (m_blocked == 0)
{
res = ReleaseMutex(reinterpret_cast<HANDLE>(m_mutex));
assert(res);
return;
}
++m_waiting;
--m_blocked;
signals = 1;
}
else
{
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_gate), INFINITE);
assert(res == WAIT_OBJECT_0);
if (m_blocked > m_gone)
{
if (m_gone != 0)
{
m_blocked -= m_gone;
m_gone = 0;
}
signals = m_waiting = 1;
++m_waiting;
--m_blocked;
signals = 1;
}
else
else
{
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1, 0);
assert(res);
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_gate), INFINITE);
assert(res == WAIT_OBJECT_0);
if (m_blocked > m_gone)
{
if (m_gone != 0)
{
m_blocked -= m_gone;
m_gone = 0;
}
signals = m_waiting = 1;
--m_blocked;
}
else
{
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1, 0);
assert(res);
}
}
}
res = ReleaseMutex(reinterpret_cast<HANDLE>(m_mutex));
assert(res);
if (signals)
{
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_queue), signals, 0);
assert(res);
}
{
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_queue), signals, 0);
assert(res);
}
}
void condition_impl::notify_all()
@@ -138,46 +139,47 @@ void condition_impl::notify_all()
assert(res == WAIT_OBJECT_0);
if (m_waiting != 0) // the m_gate is already closed
{
if (m_blocked == 0)
{
res = ReleaseMutex(reinterpret_cast<HANDLE>(m_mutex));
assert(res);
return;
}
if (m_blocked == 0)
{
res = ReleaseMutex(reinterpret_cast<HANDLE>(m_mutex));
assert(res);
return;
}
m_waiting += (signals = m_blocked);
m_blocked = 0;
}
else
{
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_gate), INFINITE);
assert(res == WAIT_OBJECT_0);
if (m_blocked > m_gone)
{
if (m_gone != 0)
{
m_blocked -= m_gone;
m_gone = 0;
}
signals = m_waiting = m_blocked;
m_waiting += (signals = m_blocked);
m_blocked = 0;
}
else
else
{
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1, 0);
assert(res);
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_gate), INFINITE);
assert(res == WAIT_OBJECT_0);
if (m_blocked > m_gone)
{
if (m_gone != 0)
{
m_blocked -= m_gone;
m_gone = 0;
}
signals = m_waiting = m_blocked;
m_blocked = 0;
}
else
{
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1, 0);
assert(res);
}
}
res = ReleaseMutex(reinterpret_cast<HANDLE>(m_mutex));
assert(res);
res = ReleaseMutex(reinterpret_cast<HANDLE>(m_mutex));
assert(res);
if (signals)
if (signals)
{
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_queue), signals, 0);
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_queue), signals,
0);
assert(res);
}
}
}
void condition_impl::enter_wait()
@@ -204,47 +206,47 @@ void condition_impl::do_wait()
was_waiting = m_waiting;
was_gone = m_gone;
if (was_waiting != 0)
{
if (--m_waiting == 0)
{
if (m_blocked != 0)
{
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1,
0); // open m_gate
assert(res);
was_waiting = 0;
}
else if (m_gone != 0)
m_gone = 0;
if (--m_waiting == 0)
{
if (m_blocked != 0)
{
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1,
0); // open m_gate
assert(res);
was_waiting = 0;
}
else if (m_gone != 0)
m_gone = 0;
}
}
}
else if (++m_gone == (std::numeric_limits<unsigned>::max() / 2))
{
// timeout occured, normalize the m_gone count
// this may occur if many calls to wait with a timeout are made and
// no call to notify_* is made
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_gate), INFINITE);
assert(res == WAIT_OBJECT_0);
m_blocked -= m_gone;
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1, 0);
assert(res);
m_gone = 0;
}
{
// timeout occured, normalize the m_gone count
// this may occur if many calls to wait with a timeout are made and
// no call to notify_* is made
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_gate), INFINITE);
assert(res == WAIT_OBJECT_0);
m_blocked -= m_gone;
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1, 0);
assert(res);
m_gone = 0;
}
res = ReleaseMutex(reinterpret_cast<HANDLE>(m_mutex));
assert(res);
if (was_waiting == 1)
{
for (/**/ ; was_gone; --was_gone)
{
// better now than spurious later
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_queue),
INFINITE);
assert(res == WAIT_OBJECT_0);
for (/**/ ; was_gone; --was_gone)
{
// better now than spurious later
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_queue),
INFINITE);
assert(res == WAIT_OBJECT_0);
}
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1, 0);
assert(res);
}
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1, 0);
assert(res);
}
}
bool condition_impl::do_timed_wait(const xtime& xt)
@@ -253,25 +255,25 @@ bool condition_impl::do_timed_wait(const xtime& xt)
unsigned int res = 0;
for (;;)
{
int milliseconds;
to_duration(xt, milliseconds);
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_queue),
milliseconds);
assert(res != WAIT_FAILED && res != WAIT_ABANDONED);
ret = (res == WAIT_OBJECT_0);
if (res == WAIT_TIMEOUT)
{
xtime cur;
xtime_get(&cur, TIME_UTC);
if (xtime_cmp(xt, cur) > 0)
continue;
}
int milliseconds;
to_duration(xt, milliseconds);
break;
}
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_queue),
milliseconds);
assert(res != WAIT_FAILED && res != WAIT_ABANDONED);
ret = (res == WAIT_OBJECT_0);
if (res == WAIT_TIMEOUT)
{
xtime cur;
xtime_get(&cur, TIME_UTC);
if (xtime_cmp(xt, cur) > 0)
continue;
}
break;
}
unsigned was_waiting=0;
unsigned was_gone=0;
@@ -281,54 +283,54 @@ bool condition_impl::do_timed_wait(const xtime& xt)
was_waiting = m_waiting;
was_gone = m_gone;
if (was_waiting != 0)
{
if (!ret) // timeout
{
if (m_blocked != 0)
--m_blocked;
else
++m_gone; // count spurious wakeups
if (!ret) // timeout
{
if (m_blocked != 0)
--m_blocked;
else
++m_gone; // count spurious wakeups
}
if (--m_waiting == 0)
{
if (m_blocked != 0)
{
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1,
0); // open m_gate
assert(res);
was_waiting = 0;
}
else if (m_gone != 0)
m_gone = 0;
}
}
if (--m_waiting == 0)
{
if (m_blocked != 0)
{
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1,
0); // open m_gate
assert(res);
was_waiting = 0;
}
else if (m_gone != 0)
m_gone = 0;
}
}
else if (++m_gone == (std::numeric_limits<unsigned>::max() / 2))
{
// timeout occured, normalize the m_gone count
// this may occur if many calls to wait with a timeout are made and
// no call to notify_* is made
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_gate), INFINITE);
assert(res == WAIT_OBJECT_0);
m_blocked -= m_gone;
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1, 0);
assert(res);
m_gone = 0;
}
{
// timeout occured, normalize the m_gone count
// this may occur if many calls to wait with a timeout are made and
// no call to notify_* is made
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_gate), INFINITE);
assert(res == WAIT_OBJECT_0);
m_blocked -= m_gone;
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1, 0);
assert(res);
m_gone = 0;
}
res = ReleaseMutex(reinterpret_cast<HANDLE>(m_mutex));
assert(res);
if (was_waiting == 1)
{
for (/**/ ; was_gone; --was_gone)
{
// better now than spurious later
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_queue),
INFINITE);
assert(res == WAIT_OBJECT_0);
for (/**/ ; was_gone; --was_gone)
{
// better now than spurious later
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_queue),
INFINITE);
assert(res == WAIT_OBJECT_0);
}
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1, 0);
assert(res);
}
res = ReleaseSemaphore(reinterpret_cast<HANDLE>(m_gate), 1, 0);
assert(res);
}
return ret;
}
@@ -397,20 +399,20 @@ condition_impl::condition_impl()
lStatus = MPCreateSemaphore(ULONG_MAX, 0, &m_queue);
if(lStatus != noErr || !m_gate || !m_queue)
{
if (m_gate)
{
lStatus = MPDeleteSemaphore(m_gate);
assert(lStatus == noErr);
}
if (m_queue)
{
lStatus = MPDeleteSemaphore(m_queue);
assert(lStatus == noErr);
}
if (m_gate)
{
lStatus = MPDeleteSemaphore(m_gate);
assert(lStatus == noErr);
}
if (m_queue)
{
lStatus = MPDeleteSemaphore(m_queue);
assert(lStatus == noErr);
}
throw thread_resource_error();
}
throw thread_resource_error();
}
}
condition_impl::~condition_impl()
@@ -427,51 +429,52 @@ void condition_impl::notify_one()
unsigned signals = 0;
OSStatus lStatus = noErr;
lStatus = safe_enter_critical_region(m_mutex, kDurationForever, m_mutex_mutex);
lStatus = safe_enter_critical_region(m_mutex, kDurationForever,
m_mutex_mutex);
assert(lStatus == noErr);
if (m_waiting != 0) // the m_gate is already closed
{
if (m_blocked == 0)
{
lStatus = MPExitCriticalRegion(m_mutex);
assert(lStatus == noErr);
return;
}
if (m_blocked == 0)
{
lStatus = MPExitCriticalRegion(m_mutex);
assert(lStatus == noErr);
return;
}
++m_waiting;
--m_blocked;
}
else
{
lStatus = safe_wait_on_semaphore(m_gate, kDurationForever);
assert(lStatus == noErr);
if (m_blocked > m_gone)
{
if (m_gone != 0)
{
m_blocked -= m_gone;
m_gone = 0;
}
signals = m_waiting = 1;
++m_waiting;
--m_blocked;
}
else
else
{
lStatus = MPSignalSemaphore(m_gate);
lStatus = safe_wait_on_semaphore(m_gate, kDurationForever);
assert(lStatus == noErr);
}
if (m_blocked > m_gone)
{
if (m_gone != 0)
{
m_blocked -= m_gone;
m_gone = 0;
}
signals = m_waiting = 1;
--m_blocked;
}
else
{
lStatus = MPSignalSemaphore(m_gate);
assert(lStatus == noErr);
}
lStatus = MPExitCriticalRegion(m_mutex);
assert(lStatus == noErr);
while (signals)
{
lStatus = MPSignalSemaphore(m_queue);
lStatus = MPExitCriticalRegion(m_mutex);
assert(lStatus == noErr);
--signals;
while (signals)
{
lStatus = MPSignalSemaphore(m_queue);
assert(lStatus == noErr);
--signals;
}
}
}
}
void condition_impl::notify_all()
@@ -479,51 +482,52 @@ void condition_impl::notify_all()
unsigned signals = 0;
OSStatus lStatus = noErr;
lStatus = safe_enter_critical_region(m_mutex, kDurationForever, m_mutex_mutex);
lStatus = safe_enter_critical_region(m_mutex, kDurationForever,
m_mutex_mutex);
assert(lStatus == noErr);
if (m_waiting != 0) // the m_gate is already closed
{
if (m_blocked == 0)
{
lStatus = MPExitCriticalRegion(m_mutex);
assert(lStatus == noErr);
return;
}
if (m_blocked == 0)
{
lStatus = MPExitCriticalRegion(m_mutex);
assert(lStatus == noErr);
return;
}
m_waiting += (signals = m_blocked);
m_blocked = 0;
}
else
{
lStatus = safe_wait_on_semaphore(m_gate, kDurationForever);
assert(lStatus == noErr);
if (m_blocked > m_gone)
{
if (m_gone != 0)
{
m_blocked -= m_gone;
m_gone = 0;
}
signals = m_waiting = m_blocked;
m_waiting += (signals = m_blocked);
m_blocked = 0;
}
else
else
{
lStatus = MPSignalSemaphore(m_gate);
lStatus = safe_wait_on_semaphore(m_gate, kDurationForever);
assert(lStatus == noErr);
}
if (m_blocked > m_gone)
{
if (m_gone != 0)
{
m_blocked -= m_gone;
m_gone = 0;
}
signals = m_waiting = m_blocked;
m_blocked = 0;
}
else
{
lStatus = MPSignalSemaphore(m_gate);
assert(lStatus == noErr);
}
lStatus = MPExitCriticalRegion(m_mutex);
assert(lStatus == noErr);
while (signals)
{
lStatus = MPSignalSemaphore(m_queue);
lStatus = MPExitCriticalRegion(m_mutex);
assert(lStatus == noErr);
--signals;
while (signals)
{
lStatus = MPSignalSemaphore(m_queue);
assert(lStatus == noErr);
--signals;
}
}
}
}
void condition_impl::enter_wait()
@@ -545,50 +549,51 @@ void condition_impl::do_wait()
unsigned was_waiting=0;
unsigned was_gone=0;
lStatus = safe_enter_critical_region(m_mutex, kDurationForever, m_mutex_mutex);
lStatus = safe_enter_critical_region(m_mutex, kDurationForever,
m_mutex_mutex);
assert(lStatus == noErr);
was_waiting = m_waiting;
was_gone = m_gone;
if (was_waiting != 0)
{
if (--m_waiting == 0)
{
if (m_blocked != 0)
{
lStatus = MPSignalSemaphore(m_gate); // open m_gate
assert(lStatus == noErr);
was_waiting = 0;
}
else if (m_gone != 0)
m_gone = 0;
if (--m_waiting == 0)
{
if (m_blocked != 0)
{
lStatus = MPSignalSemaphore(m_gate); // open m_gate
assert(lStatus == noErr);
was_waiting = 0;
}
else if (m_gone != 0)
m_gone = 0;
}
}
}
else if (++m_gone == (std::numeric_limits<unsigned>::max() / 2))
{
// timeout occured, normalize the m_gone count
// this may occur if many calls to wait with a timeout are made and
// no call to notify_* is made
lStatus = safe_wait_on_semaphore(m_gate, kDurationForever);
assert(lStatus == noErr);
m_blocked -= m_gone;
lStatus = MPSignalSemaphore(m_gate);
assert(lStatus == noErr);
m_gone = 0;
}
{
// timeout occured, normalize the m_gone count
// this may occur if many calls to wait with a timeout are made and
// no call to notify_* is made
lStatus = safe_wait_on_semaphore(m_gate, kDurationForever);
assert(lStatus == noErr);
m_blocked -= m_gone;
lStatus = MPSignalSemaphore(m_gate);
assert(lStatus == noErr);
m_gone = 0;
}
lStatus = MPExitCriticalRegion(m_mutex);
assert(lStatus == noErr);
if (was_waiting == 1)
{
for (/**/ ; was_gone; --was_gone)
{
// better now than spurious later
lStatus = safe_wait_on_semaphore(m_queue, kDurationForever);
for (/**/ ; was_gone; --was_gone)
{
// better now than spurious later
lStatus = safe_wait_on_semaphore(m_queue, kDurationForever);
assert(lStatus == noErr);
}
lStatus = MPSignalSemaphore(m_gate);
assert(lStatus == noErr);
}
lStatus = MPSignalSemaphore(m_gate);
assert(lStatus == noErr);
}
}
bool condition_impl::do_timed_wait(const xtime& xt)
@@ -605,57 +610,58 @@ bool condition_impl::do_timed_wait(const xtime& xt)
unsigned was_waiting=0;
unsigned was_gone=0;
lStatus = safe_enter_critical_region(m_mutex, kDurationForever, m_mutex_mutex);
lStatus = safe_enter_critical_region(m_mutex, kDurationForever,
m_mutex_mutex);
assert(lStatus == noErr);
was_waiting = m_waiting;
was_gone = m_gone;
if (was_waiting != 0)
{
if (!ret) // timeout
{
if (m_blocked != 0)
--m_blocked;
else
++m_gone; // count spurious wakeups
if (!ret) // timeout
{
if (m_blocked != 0)
--m_blocked;
else
++m_gone; // count spurious wakeups
}
if (--m_waiting == 0)
{
if (m_blocked != 0)
{
lStatus = MPSignalSemaphore(m_gate); // open m_gate
assert(lStatus == noErr);
was_waiting = 0;
}
else if (m_gone != 0)
m_gone = 0;
}
}
if (--m_waiting == 0)
{
if (m_blocked != 0)
{
lStatus = MPSignalSemaphore(m_gate); // open m_gate
assert(lStatus == noErr);
was_waiting = 0;
}
else if (m_gone != 0)
m_gone = 0;
}
}
else if (++m_gone == (std::numeric_limits<unsigned>::max() / 2))
{
// timeout occured, normalize the m_gone count
// this may occur if many calls to wait with a timeout are made and
// no call to notify_* is made
lStatus = safe_wait_on_semaphore(m_gate, kDurationForever);
assert(lStatus == noErr);
m_blocked -= m_gone;
lStatus = MPSignalSemaphore(m_gate);
assert(lStatus == noErr);
m_gone = 0;
}
{
// timeout occured, normalize the m_gone count
// this may occur if many calls to wait with a timeout are made and
// no call to notify_* is made
lStatus = safe_wait_on_semaphore(m_gate, kDurationForever);
assert(lStatus == noErr);
m_blocked -= m_gone;
lStatus = MPSignalSemaphore(m_gate);
assert(lStatus == noErr);
m_gone = 0;
}
lStatus = MPExitCriticalRegion(m_mutex);
assert(lStatus == noErr);
if (was_waiting == 1)
{
for (/**/ ; was_gone; --was_gone)
{
// better now than spurious later
lStatus = safe_wait_on_semaphore(m_queue, kDurationForever);
for (/**/ ; was_gone; --was_gone)
{
// better now than spurious later
lStatus = safe_wait_on_semaphore(m_queue, kDurationForever);
assert(lStatus == noErr);
}
lStatus = MPSignalSemaphore(m_gate);
assert(lStatus == noErr);
}
lStatus = MPSignalSemaphore(m_gate);
assert(lStatus == noErr);
}
return ret;
}

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -14,11 +14,13 @@
namespace boost {
lock_error::lock_error() : std::logic_error("thread lock error")
lock_error::lock_error()
: std::logic_error("thread lock error")
{
}
thread_resource_error::thread_resource_error() : std::runtime_error("thread resource error")
thread_resource_error::thread_resource_error()
: std::runtime_error("thread resource error")
{
}

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -16,7 +16,6 @@
#include <boost/limits.hpp>
#include <stdexcept>
#include <cassert>
#include <new>
#include "timeconv.inl"
#if defined(BOOST_HAS_WINTHREADS)
@@ -25,18 +24,23 @@
#elif defined(BOOST_HAS_PTHREADS)
# include <errno.h>
#elif defined(BOOST_HAS_MPTASKS)
# include <MacErrors.h>
# include "mac/init.hpp"
# include "mac/safe.hpp"
# include <MacErrors.h>
# include "mac/init.hpp"
# include "mac/safe.hpp"
#endif
namespace boost {
#if defined(BOOST_HAS_WINTHREADS)
mutex::mutex()
mutex::mutex() : m_mutex(0)
{
m_mutex = reinterpret_cast<void*>(new(std::nothrow) CRITICAL_SECTION);
try
{
m_mutex = reinterpret_cast<void*>(new CRITICAL_SECTION);
}
catch (...)
{
}
if (!m_mutex)
throw thread_resource_error();
InitializeCriticalSection(reinterpret_cast<LPCRITICAL_SECTION>(m_mutex));
@@ -151,7 +155,8 @@ bool timed_mutex::do_timedlock(const xtime& xt)
int milliseconds;
to_duration(xt, milliseconds);
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_mutex), milliseconds);
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_mutex),
milliseconds);
assert(res != WAIT_FAILED && res != WAIT_ABANDONED);
if (res == WAIT_TIMEOUT)
@@ -427,7 +432,8 @@ mutex::~mutex()
void mutex::do_lock()
{
OSStatus lStatus = noErr;
lStatus = safe_enter_critical_region(m_mutex, kDurationForever, m_mutex_mutex);
lStatus = safe_enter_critical_region(m_mutex, kDurationForever,
m_mutex_mutex);
assert(lStatus == noErr);
}
@@ -459,7 +465,8 @@ try_mutex::~try_mutex()
void try_mutex::do_lock()
{
OSStatus lStatus = noErr;
lStatus = safe_enter_critical_region(m_mutex, kDurationForever, m_mutex_mutex);
lStatus = safe_enter_critical_region(m_mutex, kDurationForever,
m_mutex_mutex);
assert(lStatus == noErr);
}
@@ -499,7 +506,8 @@ timed_mutex::~timed_mutex()
void timed_mutex::do_lock()
{
OSStatus lStatus = noErr;
lStatus = safe_enter_critical_region(m_mutex, kDurationForever, m_mutex_mutex);
lStatus = safe_enter_critical_region(m_mutex, kDurationForever,
m_mutex_mutex);
assert(lStatus == noErr);
}

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -17,14 +17,16 @@
# include <windows.h>
# if defined(BOOST_NO_STRINGSTREAM)
# include <strstream>
class unfreezer
{
public:
unfreezer(std::ostrstream& s) : m_stream(s) {}
~unfreezer() { m_stream.freeze(false); }
private:
std::ostrstream& m_stream;
};
class unfreezer
{
public:
unfreezer(std::ostrstream& s) : m_stream(s) {}
~unfreezer() { m_stream.freeze(false); }
private:
std::ostrstream& m_stream;
};
# else
# include <sstream>
# endif
@@ -33,7 +35,7 @@
#endif
#ifdef BOOST_NO_STDC_NAMESPACE
namespace std { using ::sprintf; }
namespace std { using ::sprintf; }
#endif
#if defined(BOOST_HAS_PTHREADS)
@@ -46,64 +48,70 @@ typedef void (*once_callback)();
extern "C" {
static void key_init()
{
pthread_key_create(&key, 0);
}
static void key_init()
{
pthread_key_create(&key, 0);
}
static void do_once()
{
once_callback* cb = reinterpret_cast<once_callback*>(pthread_getspecific(key));
(**cb)();
}
static void do_once()
{
once_callback* cb = reinterpret_cast<once_callback*>(
pthread_getspecific(key));
(**cb)();
}
}
#elif defined(BOOST_HAS_MPTASKS)
namespace {
void *remote_call_proxy(void *pData)
void *remote_call_proxy(void *pData)
{
std::pair<void (*)(), boost::once_flag *> &rData(
*reinterpret_cast<std::pair<void (*)(), boost::once_flag *> *>(pData));
if(*rData.second == false)
{
std::pair<void (*)(), boost::once_flag *> &rData(*reinterpret_cast<std::pair<void (*)(), boost::once_flag *> *>(pData));
if(*rData.second == false)
{
rData.first();
*rData.second = true;
}
return(NULL);
rData.first();
*rData.second = true;
}
return(NULL);
}
}
#elif defined(BOOST_HAS_WINTHREADS)
namespace {
// The signature for InterlockedCompareExchange has changed with the
// addition of Win64 support. I can't determine any (consistent and
// portable) way of using conditional compilation to detect this, so
// we use these type wrappers. Unfortunately, the various vendors
// use different calling conventions and other signature anamolies,
// and thus have unique types as well. This is known to work on VC6,
// VC7, Borland 5.5.2 and gcc 3.2. Are there other signatures for
// other platforms?
inline LONG ice_wrapper(LONG (__stdcall *ice)(LONG*, LONG, LONG), volatile LONG* dest, LONG exch, LONG cmp)
{
return (*ice)(const_cast<LONG*>(dest), exch, cmp);
}
// The signature for InterlockedCompareExchange has changed with the
// addition of Win64 support. I can't determine any (consistent and
// portable) way of using conditional compilation to detect this, so
// we use these type wrappers. Unfortunately, the various vendors
// use different calling conventions and other signature anamolies,
// and thus have unique types as well. This is known to work on VC6,
// VC7, Borland 5.5.2 and gcc 3.2. Are there other signatures for
// other platforms?
inline LONG ice_wrapper(LONG (__stdcall *ice)(LONG*, LONG, LONG),
volatile LONG* dest, LONG exch, LONG cmp)
{
return (*ice)(const_cast<LONG*>(dest), exch, cmp);
}
inline LONG ice_wrapper(LONG (__stdcall *ice)(volatile LONG*, LONG, LONG), volatile LONG* dest, LONG exch, LONG cmp)
{
return (*ice)(dest, exch, cmp);
}
inline LONG ice_wrapper(LONG (__stdcall *ice)(volatile LONG*, LONG, LONG),
volatile LONG* dest, LONG exch, LONG cmp)
{
return (*ice)(dest, exch, cmp);
}
inline LONG ice_wrapper(LPVOID (__stdcall *ice)(LPVOID*, LPVOID, LPVOID), volatile LONG* dest, LONG exch, LONG cmp)
{
return (LONG)(*ice)((LPVOID*)dest, (LPVOID)exch, (LPVOID)cmp);
}
inline LONG ice_wrapper(LPVOID (__stdcall *ice)(LPVOID*, LPVOID, LPVOID),
volatile LONG* dest, LONG exch, LONG cmp)
{
return (LONG)(*ice)((LPVOID*)dest, (LPVOID)exch, (LPVOID)cmp);
}
// The friendly form of InterlockedCompareExchange that defers
// according to the above function type wrappers.
inline LONG compare_exchange(volatile LPLONG dest, LONG exch, LONG cmp)
{
return ice_wrapper(&InterlockedCompareExchange, dest, exch, cmp);
}
// The friendly form of InterlockedCompareExchange that defers
// according to the above function type wrappers.
inline LONG compare_exchange(volatile LPLONG dest, LONG exch, LONG cmp)
{
return ice_wrapper(&InterlockedCompareExchange, dest, exch, cmp);
}
}
#endif
@@ -116,12 +124,14 @@ void call_once(void (*func)(), once_flag& flag)
{
#if defined(BOOST_NO_STRINGSTREAM)
std::ostrstream strm;
strm << "2AC1A572DB6944B0A65C38C4140AF2F4" << std::hex << GetCurrentProcessId() << &flag << std::ends;
strm << "2AC1A572DB6944B0A65C38C4140AF2F4" << std::hex
<< GetCurrentProcessId() << &flag << std::ends;
unfreezer unfreeze(strm);
HANDLE mutex = CreateMutex(NULL, FALSE, strm.str());
HANDLE mutex = CreateMutexA(NULL, FALSE, strm.str());
#else
std::ostringstream strm;
strm << "2AC1A572DB6944B0A65C38C4140AF2F4" << std::hex << GetCurrentProcessId() << &flag;
strm << "2AC1A572DB6944B0A65C38C4140AF2F4" << std::hex
<< GetCurrentProcessId() << &flag;
HANDLE mutex = CreateMutexA(NULL, FALSE, strm.str().c_str());
#endif
assert(mutex != NULL);
@@ -132,7 +142,18 @@ void call_once(void (*func)(), once_flag& flag)
if (compare_exchange(&flag, 1, 1) == 0)
{
func();
try
{
func();
}
catch (...)
{
res = ReleaseMutex(mutex);
assert(res);
res = CloseHandle(mutex);
assert(res);
throw;
}
InterlockedExchange(&flag, 1);
}
@@ -148,7 +169,8 @@ void call_once(void (*func)(), once_flag& flag)
#elif defined(BOOST_HAS_MPTASKS)
if(flag == false)
{
// all we do here is make a remote call to blue, as blue is not reentrant.
// all we do here is make a remote call to blue, as blue is not
// reentrant.
std::pair<void (*)(), once_flag *> sData(func, &flag);
MPRemoteCall(remote_call_proxy, &sData, kMPOwningProcessRemoteContext);
assert(flag == true);

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -23,17 +23,23 @@
#elif defined(BOOST_HAS_PTHREADS)
# include <errno.h>
#elif defined(BOOST_HAS_MPTASKS)
# include <MacErrors.h>
# include "safe.hpp"
# include <MacErrors.h>
# include "safe.hpp"
#endif
namespace boost {
#if defined(BOOST_HAS_WINTHREADS)
recursive_mutex::recursive_mutex()
: m_count(0)
: m_mutex(0), m_count(0)
{
m_mutex = reinterpret_cast<void*>(new(std::nothrow) CRITICAL_SECTION);
try
{
m_mutex = reinterpret_cast<void*>(new CRITICAL_SECTION);
}
catch (...)
{
}
if (!m_mutex)
throw thread_resource_error();
InitializeCriticalSection(reinterpret_cast<LPCRITICAL_SECTION>(m_mutex));
@@ -201,7 +207,8 @@ bool recursive_timed_mutex::do_timedlock(const xtime& xt)
to_duration(xt, milliseconds);
unsigned int res = 0;
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_mutex), milliseconds);
res = WaitForSingleObject(reinterpret_cast<HANDLE>(m_mutex),
milliseconds);
assert(res != WAIT_FAILED && res != WAIT_ABANDONED);
if (res == WAIT_TIMEOUT)
@@ -798,7 +805,8 @@ recursive_mutex::~recursive_mutex()
void recursive_mutex::do_lock()
{
OSStatus lStatus = noErr;
lStatus = safe_enter_critical_region(m_mutex, kDurationForever, m_mutex_mutex);
lStatus = safe_enter_critical_region(m_mutex, kDurationForever,
m_mutex_mutex);
assert(lStatus == noErr);
if (++m_count > 1)
@@ -821,7 +829,8 @@ void recursive_mutex::do_unlock()
void recursive_mutex::do_lock(cv_state& state)
{
OSStatus lStatus = noErr;
lStatus = safe_enter_critical_region(m_mutex, kDurationForever, m_mutex_mutex);
lStatus = safe_enter_critical_region(m_mutex, kDurationForever,
m_mutex_mutex);
assert(lStatus == noErr);
m_count = state;
@@ -849,7 +858,8 @@ recursive_try_mutex::~recursive_try_mutex()
void recursive_try_mutex::do_lock()
{
OSStatus lStatus = noErr;
lStatus = safe_enter_critical_region(m_mutex, kDurationForever, m_mutex_mutex);
lStatus = safe_enter_critical_region(m_mutex, kDurationForever,
m_mutex_mutex);
assert(lStatus == noErr);
if (++m_count > 1)
@@ -890,7 +900,8 @@ void recursive_try_mutex::do_unlock()
void recursive_try_mutex::do_lock(cv_state& state)
{
OSStatus lStatus = noErr;
lStatus = safe_enter_critical_region(m_mutex, kDurationForever, m_mutex_mutex);
lStatus = safe_enter_critical_region(m_mutex, kDurationForever,
m_mutex_mutex);
assert(lStatus == noErr);
m_count = state;
@@ -918,7 +929,8 @@ recursive_timed_mutex::~recursive_timed_mutex()
void recursive_timed_mutex::do_lock()
{
OSStatus lStatus = noErr;
lStatus = safe_enter_critical_region(m_mutex, kDurationForever, m_mutex_mutex);
lStatus = safe_enter_critical_region(m_mutex, kDurationForever,
m_mutex_mutex);
assert(lStatus == noErr);
if (++m_count > 1)
@@ -981,7 +993,8 @@ void recursive_timed_mutex::do_unlock()
void recursive_timed_mutex::do_lock(cv_state& state)
{
OSStatus lStatus = noErr;
lStatus = safe_enter_critical_region(m_mutex, kDurationForever, m_mutex_mutex);
lStatus = safe_enter_critical_region(m_mutex, kDurationForever,
m_mutex_mutex);
assert(lStatus == noErr);
m_count = state;

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -18,11 +18,11 @@
# include <windows.h>
# include <process.h>
#elif defined(BOOST_HAS_MPTASKS)
# include <DriverServices.h>
# include <DriverServices.h>
# include "init.hpp"
# include "safe.hpp"
# include <boost/thread/tss.hpp>
# include "init.hpp"
# include "safe.hpp"
# include <boost/thread/tss.hpp>
#endif
#include "timeconv.inl"
@@ -32,7 +32,10 @@ namespace {
class thread_param
{
public:
thread_param(const boost::function0<void>& threadfunc) : m_threadfunc(threadfunc), m_started(false) { }
thread_param(const boost::function0<void>& threadfunc)
: m_threadfunc(threadfunc), m_started(false)
{
}
void wait()
{
boost::mutex::scoped_lock scoped_lock(m_mutex);
@@ -56,28 +59,28 @@ public:
extern "C" {
#if defined(BOOST_HAS_WINTHREADS)
unsigned __stdcall thread_proxy(void* param)
unsigned __stdcall thread_proxy(void* param)
#elif defined(BOOST_HAS_PTHREADS)
static void* thread_proxy(void* param)
static void* thread_proxy(void* param)
#elif defined(BOOST_HAS_MPTASKS)
static OSStatus thread_proxy(void* param)
static OSStatus thread_proxy(void* param)
#endif
{
try
{
thread_param* p = static_cast<thread_param*>(param);
boost::function0<void> threadfunc = p->m_threadfunc;
p->started();
threadfunc();
}
catch (...)
{
}
try
{
thread_param* p = static_cast<thread_param*>(param);
boost::function0<void> threadfunc = p->m_threadfunc;
p->started();
threadfunc();
}
catch (...)
{
}
#if defined(BOOST_HAS_MPTASKS)
::boost::detail::thread_cleanup();
::boost::detail::thread_cleanup();
#endif
return 0;
}
return 0;
}
}
@@ -104,7 +107,8 @@ thread::thread(const function0<void>& threadfunc)
{
thread_param param(threadfunc);
#if defined(BOOST_HAS_WINTHREADS)
m_thread = reinterpret_cast<void*>(_beginthreadex(0, 0, &thread_proxy, &param, 0, &m_id));
m_thread = reinterpret_cast<void*>(_beginthreadex(0, 0, &thread_proxy,
&param, 0, &m_id));
if (!m_thread)
throw thread_resource_error();
#elif defined(BOOST_HAS_PTHREADS)
@@ -121,11 +125,11 @@ thread::thread(const function0<void>& threadfunc)
m_pTaskID = kInvalidID;
lStatus = MPCreateQueue(&m_pJoinQueueID);
if(lStatus != noErr) throw thread_resource_error();
if (lStatus != noErr) throw thread_resource_error();
lStatus = MPCreateTask(&thread_proxy, &param, 0UL, m_pJoinQueueID, NULL, NULL,
0UL, &m_pTaskID);
if(lStatus != noErr)
lStatus = MPCreateTask(&thread_proxy, &param, 0UL, m_pJoinQueueID, NULL,
NULL, 0UL, &m_pTaskID);
if (lStatus != noErr)
{
lStatus = MPDeleteQueue(m_pJoinQueueID);
assert(lStatus == noErr);
@@ -181,7 +185,8 @@ void thread::join()
res = pthread_join(m_thread, 0);
assert(res == 0);
#elif defined(BOOST_HAS_MPTASKS)
OSStatus lStatus = threads::mac::detail::safe_wait_on_queue(m_pJoinQueueID, NULL, NULL, NULL, kDurationForever);
OSStatus lStatus = threads::mac::detail::safe_wait_on_queue(
m_pJoinQueueID, NULL, NULL, NULL, kDurationForever);
assert(lStatus == noErr);
#endif
// This isn't a race condition since any race that could occur would
@@ -260,17 +265,20 @@ thread_group::thread_group()
thread_group::~thread_group()
{
// We shouldn't have to scoped_lock here, since referencing this object from another thread
// while we're deleting it in the current thread is going to lead to undefined behavior
// any way.
for (std::list<thread*>::iterator it = m_threads.begin(); it != m_threads.end(); ++it)
// We shouldn't have to scoped_lock here, since referencing this object
// from another thread while we're deleting it in the current thread is
// going to lead to undefined behavior any way.
for (std::list<thread*>::iterator it = m_threads.begin();
it != m_threads.end(); ++it)
{
delete (*it);
}
}
thread* thread_group::create_thread(const function0<void>& threadfunc)
{
// No scoped_lock required here since the only "shared data" that's modified here occurs
// inside add_thread which does scoped_lock.
// No scoped_lock required here since the only "shared data" that's
// modified here occurs inside add_thread which does scoped_lock.
std::auto_ptr<thread> thrd(new thread(threadfunc));
add_thread(thrd.get());
return thrd.release();
@@ -280,9 +288,11 @@ void thread_group::add_thread(thread* thrd)
{
mutex::scoped_lock scoped_lock(m_mutex);
// For now we'll simply ignore requests to add a thread object multiple times.
// Should we consider this an error and either throw or return an error value?
std::list<thread*>::iterator it = std::find(m_threads.begin(), m_threads.end(), thrd);
// For now we'll simply ignore requests to add a thread object multiple
// times. Should we consider this an error and either throw or return an
// error value?
std::list<thread*>::iterator it = std::find(m_threads.begin(),
m_threads.end(), thrd);
assert(it == m_threads.end());
if (it == m_threads.end())
m_threads.push_back(thrd);
@@ -292,9 +302,11 @@ void thread_group::remove_thread(thread* thrd)
{
mutex::scoped_lock scoped_lock(m_mutex);
// For now we'll simply ignore requests to remove a thread object that's not in the group.
// Should we consider this an error and either throw or return an error value?
std::list<thread*>::iterator it = std::find(m_threads.begin(), m_threads.end(), thrd);
// For now we'll simply ignore requests to remove a thread object that's
// not in the group. Should we consider this an error and either throw or
// return an error value?
std::list<thread*>::iterator it = std::find(m_threads.begin(),
m_threads.end(), thrd);
assert(it != m_threads.end());
if (it != m_threads.end())
m_threads.erase(it);
@@ -303,8 +315,11 @@ void thread_group::remove_thread(thread* thrd)
void thread_group::join_all()
{
mutex::scoped_lock scoped_lock(m_mutex);
for (std::list<thread*>::iterator it = m_threads.begin(); it != m_threads.end(); ++it)
for (std::list<thread*>::iterator it = m_threads.begin();
it != m_threads.end(); ++it)
{
(*it)->join();
}
}
} // namespace boost

View File

@@ -1,5 +1,13 @@
// threadmon.cpp : Defines the entry point for the DLL application.
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/config.hpp>
@@ -26,9 +34,9 @@ typedef std::set<exit_handlers*> registered_handlers;
namespace
{
CRITICAL_SECTION cs;
DWORD key;
registered_handlers registry;
CRITICAL_SECTION cs;
DWORD key;
registered_handlers registry;
}
#if defined(__BORLANDC__)
@@ -36,70 +44,70 @@ namespace
#endif
extern "C"
BOOL WINAPI DllMain(HANDLE module, DWORD reason, LPVOID)
BOOL WINAPI DllMain(HANDLE /*module*/, DWORD reason, LPVOID)
{
switch (reason)
{
case DLL_PROCESS_ATTACH:
InitializeCriticalSection(&cs);
key = TlsAlloc();
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
case DLL_PROCESS_ATTACH:
InitializeCriticalSection(&cs);
key = TlsAlloc();
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
{
// Call the thread's exit handlers.
exit_handlers* handlers =
static_cast<exit_handlers*>(TlsGetValue(key));
if (handlers)
{
for (exit_handlers::iterator it = handlers->begin();
it != handlers->end(); ++it)
{
// Call the thread's exit handlers.
exit_handlers* handlers =
static_cast<exit_handlers*>(TlsGetValue(key));
if (handlers)
{
for (exit_handlers::iterator it = handlers->begin();
it != handlers->end(); ++it)
{
(*it)();
}
// Remove the exit handler list from the registered lists
// and then destroy it.
EnterCriticalSection(&cs);
registry.erase(handlers);
LeaveCriticalSection(&cs);
delete handlers;
}
(*it)();
}
break;
case DLL_PROCESS_DETACH:
// Remove the exit handler list from the registered lists
// and then destroy it.
EnterCriticalSection(&cs);
registry.erase(handlers);
LeaveCriticalSection(&cs);
delete handlers;
}
}
break;
case DLL_PROCESS_DETACH:
{
// Assume the main thread is ending (call its handlers) and
// all other threads have already ended. If this DLL is
// loaded and unloaded dynamically at run time
// this is a bad assumption, but this is the best we can do.
exit_handlers* handlers =
static_cast<exit_handlers*>(TlsGetValue(key));
if (handlers)
{
for (exit_handlers::iterator it = handlers->begin();
it != handlers->end(); ++it)
{
// Assume the main thread is ending (call its handlers) and
// all other threads have already ended. If this DLL is
// loaded and unloaded dynamically at run time
// this is a bad assumption, but this is the best we can do.
exit_handlers* handlers =
static_cast<exit_handlers*>(TlsGetValue(key));
if (handlers)
{
for (exit_handlers::iterator it = handlers->begin();
it != handlers->end(); ++it)
{
(*it)();
}
}
// Destroy any remaining exit handlers. Above we assumed
// there'd only be the main thread left, but to insure we
// don't get memory leaks we won't make that assumption
// here.
EnterCriticalSection(&cs);
for (registered_handlers::iterator it = registry.begin();
it != registry.end(); ++it)
{
delete (*it);
}
LeaveCriticalSection(&cs);
DeleteCriticalSection(&cs);
TlsFree(key);
(*it)();
}
break;
}
// Destroy any remaining exit handlers. Above we assumed
// there'd only be the main thread left, but to insure we
// don't get memory leaks we won't make that assumption
// here.
EnterCriticalSection(&cs);
for (registered_handlers::iterator it = registry.begin();
it != registry.end(); ++it)
{
delete (*it);
}
LeaveCriticalSection(&cs);
DeleteCriticalSection(&cs);
TlsFree(key);
}
break;
}
return TRUE;
}

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -10,118 +10,119 @@
// It is provided "as is" without express or implied warranty.
namespace {
const int MILLISECONDS_PER_SECOND = 1000;
const int NANOSECONDS_PER_SECOND = 1000000000;
const int NANOSECONDS_PER_MILLISECOND = 1000000;
const int MILLISECONDS_PER_SECOND = 1000;
const int NANOSECONDS_PER_SECOND = 1000000000;
const int NANOSECONDS_PER_MILLISECOND = 1000000;
const int MICROSECONDS_PER_SECOND = 1000000;
const int NANOSECONDS_PER_MICROSECOND = 1000;
const int MICROSECONDS_PER_SECOND = 1000000;
const int NANOSECONDS_PER_MICROSECOND = 1000;
inline void to_time(int milliseconds, boost::xtime& xt)
inline void to_time(int milliseconds, boost::xtime& xt)
{
int res = 0;
res = boost::xtime_get(&xt, boost::TIME_UTC);
assert(res == boost::TIME_UTC);
xt.sec += (milliseconds / MILLISECONDS_PER_SECOND);
xt.nsec += ((milliseconds % MILLISECONDS_PER_SECOND) *
NANOSECONDS_PER_MILLISECOND);
if (xt.nsec > static_cast<const int>(NANOSECONDS_PER_SECOND))
{
int res = 0;
res = boost::xtime_get(&xt, boost::TIME_UTC);
assert(res == boost::TIME_UTC);
xt.sec += (milliseconds / MILLISECONDS_PER_SECOND);
xt.nsec += ((milliseconds % MILLISECONDS_PER_SECOND) * NANOSECONDS_PER_MILLISECOND);
if (xt.nsec > static_cast<const int>(NANOSECONDS_PER_SECOND))
{
++xt.sec;
xt.nsec -= NANOSECONDS_PER_SECOND;
}
++xt.sec;
xt.nsec -= NANOSECONDS_PER_SECOND;
}
}
#if defined(BOOST_HAS_PTHREADS)
inline void to_timespec(const boost::xtime& xt, timespec& ts)
inline void to_timespec(const boost::xtime& xt, timespec& ts)
{
ts.tv_sec = static_cast<int>(xt.sec);
ts.tv_nsec = static_cast<int>(xt.nsec);
if(ts.tv_nsec > static_cast<const int>(NANOSECONDS_PER_SECOND))
{
ts.tv_sec = static_cast<int>(xt.sec);
ts.tv_nsec = static_cast<int>(xt.nsec);
ts.tv_sec += ts.tv_nsec / NANOSECONDS_PER_SECOND;
ts.tv_nsec %= NANOSECONDS_PER_SECOND;
}
}
inline void to_time(int milliseconds, timespec& ts)
{
boost::xtime xt;
to_time(milliseconds, xt);
to_timespec(xt, ts);
}
inline void to_timespec_duration(const boost::xtime& xt, timespec& ts)
{
boost::xtime cur;
int res = 0;
res = boost::xtime_get(&cur, boost::TIME_UTC);
assert(res == boost::TIME_UTC);
if (boost::xtime_cmp(xt, cur) <= 0)
{
ts.tv_sec = 0;
ts.tv_nsec = 0;
}
else
{
ts.tv_sec = xt.sec - cur.sec;
ts.tv_nsec = xt.nsec - cur.nsec;
if( ts.tv_nsec < 0 )
{
ts.tv_sec -= 1;
ts.tv_nsec += NANOSECONDS_PER_SECOND;
}
if(ts.tv_nsec > static_cast<const int>(NANOSECONDS_PER_SECOND))
{
ts.tv_sec += ts.tv_nsec / NANOSECONDS_PER_SECOND;
ts.tv_nsec %= NANOSECONDS_PER_SECOND;
}
}
inline void to_time(int milliseconds, timespec& ts)
{
boost::xtime xt;
to_time(milliseconds, xt);
to_timespec(xt, ts);
}
inline void to_timespec_duration(const boost::xtime& xt, timespec& ts)
{
boost::xtime cur;
int res = 0;
res = boost::xtime_get(&cur, boost::TIME_UTC);
assert(res == boost::TIME_UTC);
if (boost::xtime_cmp(xt, cur) <= 0)
{
ts.tv_sec = 0;
ts.tv_nsec = 0;
}
else
{
ts.tv_sec = xt.sec - cur.sec;
ts.tv_nsec = xt.nsec - cur.nsec;
if( ts.tv_nsec < 0 )
{
ts.tv_sec -= 1;
ts.tv_nsec += NANOSECONDS_PER_SECOND;
}
if(ts.tv_nsec > static_cast<const int>(NANOSECONDS_PER_SECOND))
{
ts.tv_sec += ts.tv_nsec / NANOSECONDS_PER_SECOND;
ts.tv_nsec %= NANOSECONDS_PER_SECOND;
}
}
}
}
#endif
inline void to_duration(boost::xtime xt, int& milliseconds)
{
boost::xtime cur;
int res = 0;
res = boost::xtime_get(&cur, boost::TIME_UTC);
assert(res == boost::TIME_UTC);
inline void to_duration(boost::xtime xt, int& milliseconds)
{
boost::xtime cur;
int res = 0;
res = boost::xtime_get(&cur, boost::TIME_UTC);
assert(res == boost::TIME_UTC);
if (boost::xtime_cmp(xt, cur) <= 0)
milliseconds = 0;
else
if (boost::xtime_cmp(xt, cur) <= 0)
milliseconds = 0;
else
{
if (cur.nsec > xt.nsec)
{
if (cur.nsec > xt.nsec)
{
xt.nsec += NANOSECONDS_PER_SECOND;
--xt.sec;
}
milliseconds = ((xt.sec - cur.sec) * MILLISECONDS_PER_SECOND) +
(((xt.nsec - cur.nsec) + (NANOSECONDS_PER_MILLISECOND/2)) /
xt.nsec += NANOSECONDS_PER_SECOND;
--xt.sec;
}
milliseconds = (int)((xt.sec - cur.sec) * MILLISECONDS_PER_SECOND) +
(((xt.nsec - cur.nsec) + (NANOSECONDS_PER_MILLISECOND/2)) /
NANOSECONDS_PER_MILLISECOND);
}
}
}
inline void to_microduration(const boost::xtime& xt, int& microseconds)
inline void to_microduration(const boost::xtime& xt, int& microseconds)
{
boost::xtime cur;
int res = 0;
res = boost::xtime_get(&cur, boost::TIME_UTC);
assert(res == boost::TIME_UTC);
if (boost::xtime_get(&cur, boost::TIME_UTC) <= 0)
microseconds = 0;
else
{
boost::xtime cur;
int res = 0;
res = boost::xtime_get(&cur, boost::TIME_UTC);
assert(res == boost::TIME_UTC);
if (boost::xtime_get(&cur, boost::TIME_UTC) <= 0)
microseconds = 0;
else
{
microseconds = ((xt.sec - cur.sec) * MICROSECONDS_PER_SECOND) +
(((xt.nsec - cur.nsec) + (NANOSECONDS_PER_MICROSECOND/2)) /
microseconds = (int)((xt.sec - cur.sec) * MICROSECONDS_PER_SECOND) +
(((xt.nsec - cur.nsec) + (NANOSECONDS_PER_MICROSECOND/2)) /
NANOSECONDS_PER_MICROSECOND);
}
}
}
}
// Change Log:
// 1 Jun 01 Initial creation.

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -23,94 +23,100 @@
#include <boost/thread/detail/threadmon.hpp>
#include <map>
namespace {
typedef std::pair<void(*)(void*), void*> cleanup_info;
typedef std::map<int, cleanup_info> cleanup_handlers;
typedef std::pair<void(*)(void*), void*> cleanup_info;
typedef std::map<int, cleanup_info> cleanup_handlers;
DWORD key;
boost::once_flag once = BOOST_ONCE_INIT;
DWORD key;
boost::once_flag once = BOOST_ONCE_INIT;
void init_cleanup_key()
void init_cleanup_key()
{
key = TlsAlloc();
assert(key != 0xFFFFFFFF);
}
void __cdecl cleanup()
{
cleanup_handlers* handlers = static_cast<cleanup_handlers*>(
TlsGetValue(key));
for (cleanup_handlers::iterator it = handlers->begin();
it != handlers->end(); ++it)
{
key = TlsAlloc();
assert(key != 0xFFFFFFFF);
cleanup_info info = it->second;
if (info.second)
info.first(info.second);
}
delete handlers;
}
void __cdecl cleanup()
cleanup_handlers* get_handlers()
{
boost::call_once(&init_cleanup_key, once);
cleanup_handlers* handlers = static_cast<cleanup_handlers*>(
TlsGetValue(key));
if (!handlers)
{
cleanup_handlers* handlers = static_cast<cleanup_handlers*>(TlsGetValue(key));
for (cleanup_handlers::iterator it = handlers->begin(); it != handlers->end(); ++it)
try
{
cleanup_info info = it->second;
if (info.second)
info.first(info.second);
handlers = new cleanup_handlers;
}
delete handlers;
}
cleanup_handlers* get_handlers()
{
boost::call_once(&init_cleanup_key, once);
cleanup_handlers* handlers = static_cast<cleanup_handlers*>(TlsGetValue(key));
if (!handlers)
catch (...)
{
try
{
handlers = new cleanup_handlers;
}
catch (...)
{
return 0;
}
int res = 0;
res = TlsSetValue(key, handlers);
assert(res);
res = on_thread_exit(&cleanup);
assert(res == 0);
return 0;
}
return handlers;
int res = 0;
res = TlsSetValue(key, handlers);
assert(res);
res = on_thread_exit(&cleanup);
assert(res == 0);
}
return handlers;
}
}
#elif defined(BOOST_HAS_MPTASKS)
#include <map>
namespace {
typedef std::pair<void(*)(void*), void*> cleanup_info;
typedef std::map<int, cleanup_info> cleanup_handlers;
typedef std::pair<void(*)(void*), void*> cleanup_info;
typedef std::map<int, cleanup_info> cleanup_handlers;
TaskStorageIndex key;
boost::once_flag once = BOOST_ONCE_INIT;
TaskStorageIndex key;
boost::once_flag once = BOOST_ONCE_INIT;
void init_cleanup_key()
void init_cleanup_key()
{
OSStatus lStatus = MPAllocateTaskStorageIndex(&key);
assert(lStatus == noErr);
}
cleanup_handlers* get_handlers()
{
boost::call_once(&init_cleanup_key, once);
cleanup_handlers* handlers = reinterpret_cast<cleanup_handlers*>(
MPGetTaskStorageValue(key));
if (!handlers)
{
OSStatus lStatus = MPAllocateTaskStorageIndex(&key);
assert(lStatus == noErr);
}
cleanup_handlers* get_handlers()
{
boost::call_once(&init_cleanup_key, once);
cleanup_handlers* handlers = reinterpret_cast<cleanup_handlers*>(MPGetTaskStorageValue(key));
if (!handlers)
try
{
try
{
handlers = new cleanup_handlers;
}
catch (...)
{
return 0;
}
OSStatus lStatus = noErr;
lStatus = MPSetTaskStorageValue(key, reinterpret_cast<TaskStorageValue>(handlers));
assert(lStatus == noErr);
// TODO - create a generalized mechanism for registering thread exit functions
// and use it here.
handlers = new cleanup_handlers;
}
return handlers;
catch (...)
{
return 0;
}
OSStatus lStatus = noErr;
lStatus = MPSetTaskStorageValue(key,
reinterpret_cast<TaskStorageValue>(handlers));
assert(lStatus == noErr);
// TODO - create a generalized mechanism for registering thread exit
// functions and use it here.
}
return handlers;
}
}
namespace boost {
@@ -120,10 +126,12 @@ namespace detail {
void thread_cleanup()
{
cleanup_handlers* handlers = reinterpret_cast<cleanup_handlers*>(MPGetTaskStorageValue(key));
cleanup_handlers* handlers = reinterpret_cast<cleanup_handlers*>(
MPGetTaskStorageValue(key));
if(handlers != NULL)
{
for (cleanup_handlers::iterator it = handlers->begin(); it != handlers->end(); ++it)
for (cleanup_handlers::iterator it = handlers->begin();
it != handlers->end(); ++it)
{
cleanup_info info = it->second;
if (info.second)
@@ -235,7 +243,8 @@ bool tss::set(void* value)
cleanup_info info(m_cleanup, value);
(*handlers)[m_key] = info;
}
OSStatus lStatus = MPSetTaskStorageValue(m_key, reinterpret_cast<TaskStorageValue>(value));
OSStatus lStatus = MPSetTaskStorageValue(m_key,
reinterpret_cast<TaskStorageValue>(value));
return(lStatus == noErr);
}
#endif

View File

@@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
@@ -33,29 +33,30 @@ struct startup_time_info
{
startup_time_info()
{
// 1970 Jan 1 at 00:00:00
// 1970 Jan 1 at 00:00:00
static const DateTimeRec k_sUNIXBase = {1970, 1, 1, 0, 0, 0, 0};
static unsigned long s_ulUNIXBaseSeconds = 0UL;
if(s_ulUNIXBaseSeconds == 0UL)
{
// calculate the number of seconds between the Mac OS base and the UNIX base
// the first time we enter this constructor.
// calculate the number of seconds between the Mac OS base and the
// UNIX base the first time we enter this constructor.
DateToSeconds(&k_sUNIXBase, &s_ulUNIXBaseSeconds);
}
unsigned long ulSeconds;
// get the time in UpTime units twice, with the time in seconds in the middle.
// get the time in UpTime units twice, with the time in seconds in the
// middle.
uint64_t ullFirstUpTime = force_cast<uint64_t>(UpTime());
GetDateTime(&ulSeconds);
uint64_t ullSecondUpTime = force_cast<uint64_t>(UpTime());
// calculate the midpoint of the two UpTimes, and save that.
// calculate the midpoint of the two UpTimes, and save that.
uint64_t ullAverageUpTime = (ullFirstUpTime + ullSecondUpTime) / 2ULL;
m_sStartupAbsoluteTime = force_cast<AbsoluteTime>(ullAverageUpTime);
// save the number of seconds, recentered at the UNIX base.
// save the number of seconds, recentered at the UNIX base.
m_ulStartupSeconds = ulSeconds - s_ulUNIXBaseSeconds;
}
@@ -77,10 +78,13 @@ int xtime_get(struct xtime* xtp, int clock_type)
#if defined(BOOST_HAS_FTIME)
FILETIME ft;
GetSystemTimeAsFileTime(&ft);
const boost::uint64_t TIMESPEC_TO_FILETIME_OFFSET = ((boost::uint64_t)27111902UL << 32) + (boost::uint64_t)3577643008UL;
xtp->sec = (int)((*(__int64*)&ft - TIMESPEC_TO_FILETIME_OFFSET) / 10000000);
const boost::uint64_t TIMESPEC_TO_FILETIME_OFFSET =
((boost::uint64_t)27111902UL << 32) +
(boost::uint64_t)3577643008UL;
xtp->sec = (int)((*(__int64*)&ft - TIMESPEC_TO_FILETIME_OFFSET) /
10000000);
xtp->nsec = (int)((*(__int64*)&ft - TIMESPEC_TO_FILETIME_OFFSET -
((__int64)xtp->sec * (__int64)10000000)) * 100);
((__int64)xtp->sec * (__int64)10000000)) * 100);
return clock_type;
#elif defined(BOOST_HAS_GETTIMEOFDAY)
struct timeval tv;
@@ -96,12 +100,16 @@ int xtime_get(struct xtime* xtp, int clock_type)
return clock_type;
#elif defined(BOOST_HAS_MPTASKS)
using detail::thread::force_cast;
// the Mac OS does not have an MP-safe way of getting the date/time, so we use a
// delta from the startup time. We _could_ defer this and use something that is
// interrupt-safe, but this would be _SLOW_, and we need speed here.
// the Mac OS does not have an MP-safe way of getting the date/time,
// so we use a delta from the startup time. We _could_ defer this
// and use something that is interrupt-safe, but this would be _SLOW_,
// and we need speed here.
const uint64_t k_ullNanosecondsPerSecond(1000ULL * 1000ULL * 1000ULL);
AbsoluteTime sUpTime(UpTime());
uint64_t ullNanoseconds(force_cast<uint64_t>(AbsoluteDeltaToNanoseconds(sUpTime, detail::g_sStartupTimeInfo.m_sStartupAbsoluteTime)));
uint64_t ullNanoseconds(
force_cast<uint64_t>(
AbsoluteDeltaToNanoseconds(sUpTime,
detail::g_sStartupTimeInfo.m_sStartupAbsoluteTime)));
uint64_t ullSeconds = (ullNanoseconds / k_ullNanosecondsPerSecond);
ullNanoseconds -= (ullSeconds * k_ullNanosecondsPerSecond);
xtp->sec = detail::g_sStartupTimeInfo.m_ulStartupSeconds + ullSeconds;

View File

@@ -21,12 +21,10 @@ subproject libs/thread/test ;
# Include threads.jam for Boost.Threads global build information.
# This greatly simplifies the Jam code needed to configure the build
# for the various Win32 build types.
SEARCH on threads.jam = $(BOOST_ROOT)/libs/thread/build ;
include threads.jam ;
import ../build/threads ;
# bring in rules for testing
SEARCH on testing.jam = $(BOOST_BUILD_PATH) ;
include testing.jam ;
import testing ;
{
template test
@@ -34,11 +32,10 @@ include testing.jam ;
: <template>thread_base
<dll>../build/boost_thread
<lib>../../test/build/boost_unit_test_framework
# $(threadmon)
## requirements ##
:
## default build ##
: # debug release <runtime-link>static/dynamic
:
;
test-suite "threads"

35
test/Jamfile.v2 Normal file
View File

@@ -0,0 +1,35 @@
# (C) Copyright William E. Kempf 2001. Permission to copy, use, modify, sell
# and distribute this software is granted provided this copyright notice
# appears in all copies. This software is provided "as is" without express or
# implied warranty, and with no claim as to its suitability for any purpose.
#
# Boost.Threads test Jamfile
#
# Additional configuration variables used:
# 1. PTW32 may be used on Win32 platforms to specify that the pthreads-win32
# library should be used instead of "native" threads. This feature is
# mostly used for testing and it's generally recommended you use the
# native threading libraries instead. PTW32 should be set to be a list
# of two strings, the first specifying the installation path of the
# pthreads-win32 library and the second specifying which library
# variant to link against (see the pthreads-win32 documentation).
# Example: jam -sPTW32="c:\pthreads-win32 pthreadVCE.lib"
# bring in rules for testing
import testing ;
project
: requirements <library>../build//boost_thread
<library>../../test/build//boost_unit_test_framework
<threading>multi
;
{
test-suite "threads"
: [ run test_thread.cpp ]
[ run test_mutex.cpp ]
[ run test_condition.cpp ]
[ run test_tss.cpp ]
[ run test_once.cpp ]
[ run test_xtime.cpp ]
;
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/condition.hpp>
#include <boost/thread/thread.hpp>
#include <boost/thread/xtime.hpp>
@@ -66,7 +77,7 @@ void condition_test_waits(condition_test_data* data)
data->condition.notify_one();
// Test predicate timed_wait.
xt = delay(10);
xt = delay(10);
cond_predicate pred(data->notified, 4);
BOOST_CHECK(data->condition.timed_wait(lock, xt, pred));
BOOST_CHECK(lock ? true : false);
@@ -95,7 +106,7 @@ void do_test_condition_notify_one()
void test_condition_notify_one()
{
timed_test(&do_test_condition_notify_one, 2, execution_monitor::use_mutex);
timed_test(&do_test_condition_notify_one, 2, execution_monitor::use_mutex);
}
void do_test_condition_notify_all()
@@ -120,10 +131,10 @@ void do_test_condition_notify_all()
void test_condition_notify_all()
{
// We should have already tested notify_one here, so
// a timed test with the default execution_monitor::use_condition
// should be OK, and gives the fastest performance
timed_test(&do_test_condition_notify_all, 3);
// We should have already tested notify_one here, so
// a timed test with the default execution_monitor::use_condition
// should be OK, and gives the fastest performance
timed_test(&do_test_condition_notify_all, 3);
}
void do_test_condition_waits()
@@ -175,16 +186,16 @@ void do_test_condition_waits()
void test_condition_waits()
{
// We should have already tested notify_one here, so
// a timed test with the default execution_monitor::use_condition
// should be OK, and gives the fastest performance
timed_test(&do_test_condition_waits, 12);
// We should have already tested notify_one here, so
// a timed test with the default execution_monitor::use_condition
// should be OK, and gives the fastest performance
timed_test(&do_test_condition_waits, 12);
}
boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[])
{
boost::unit_test_framework::test_suite* test =
BOOST_TEST_SUITE("Boost.Threads: condition test suite");
BOOST_TEST_SUITE("Boost.Threads: condition test suite");
test->add(BOOST_TEST_CASE(&test_condition_notify_one));
test->add(BOOST_TEST_CASE(&test_condition_notify_all));

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/mutex.hpp>
#include <boost/thread/recursive_mutex.hpp>
#include <boost/thread/xtime.hpp>
@@ -132,7 +143,7 @@ struct test_timedlock
BOOST_CHECK(lock ? true : false);
lock.unlock();
BOOST_CHECK(!lock);
xt = delay(0, 100);
xt = delay(0, 100);
BOOST_CHECK(lock.timed_lock(xt));
BOOST_CHECK(lock ? true : false);
}
@@ -159,7 +170,7 @@ void do_test_mutex()
void test_mutex()
{
timed_test(&do_test_mutex, 3);
timed_test(&do_test_mutex, 3);
}
void do_test_try_mutex()
@@ -170,7 +181,7 @@ void do_test_try_mutex()
void test_try_mutex()
{
timed_test(&do_test_try_mutex, 3);
timed_test(&do_test_try_mutex, 3);
}
void do_test_timed_mutex()
@@ -182,7 +193,7 @@ void do_test_timed_mutex()
void test_timed_mutex()
{
timed_test(&do_test_timed_mutex, 3);
timed_test(&do_test_timed_mutex, 3);
}
void do_test_recursive_mutex()
@@ -193,7 +204,7 @@ void do_test_recursive_mutex()
void test_recursive_mutex()
{
timed_test(&do_test_recursive_mutex, 3);
timed_test(&do_test_recursive_mutex, 3);
}
void do_test_recursive_try_mutex()
@@ -205,7 +216,7 @@ void do_test_recursive_try_mutex()
void test_recursive_try_mutex()
{
timed_test(&do_test_recursive_try_mutex, 3);
timed_test(&do_test_recursive_try_mutex, 3);
}
void do_test_recursive_timed_mutex()
@@ -218,12 +229,13 @@ void do_test_recursive_timed_mutex()
void test_recursive_timed_mutex()
{
timed_test(&do_test_recursive_timed_mutex, 3);
timed_test(&do_test_recursive_timed_mutex, 3);
}
boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[])
{
boost::unit_test_framework::test_suite* test = BOOST_TEST_SUITE("Boost.Threads: mutex test suite");
boost::unit_test_framework::test_suite* test =
BOOST_TEST_SUITE("Boost.Threads: mutex test suite");
test->add(BOOST_TEST_CASE(&test_mutex));
test->add(BOOST_TEST_CASE(&test_try_mutex));

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/once.hpp>
#include <boost/thread/thread.hpp>
@@ -30,12 +41,13 @@ void do_test_once()
void test_once()
{
timed_test(&do_test_once, 2);
timed_test(&do_test_once, 2);
}
boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[])
{
boost::unit_test_framework::test_suite* test = BOOST_TEST_SUITE("Boost.Threads: once test suite");
boost::unit_test_framework::test_suite* test =
BOOST_TEST_SUITE("Boost.Threads: once test suite");
test->add(BOOST_TEST_CASE(test_once));

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <boost/thread/xtime.hpp>
@@ -25,7 +36,8 @@ void test_sleep()
boost::xtime xt = delay(3);
boost::thread::sleep(xt);
// Insure it's in a range instead of checking actual equality due to time lapse
// Ensure it's in a range instead of checking actual equality due to time
// lapse
BOOST_CHECK(in_range(xt));
}
@@ -39,7 +51,7 @@ void do_test_creation()
void test_creation()
{
timed_test(&do_test_creation, 1);
timed_test(&do_test_creation, 1);
}
void do_test_comparison()
@@ -51,12 +63,13 @@ void do_test_comparison()
void test_comparison()
{
timed_test(&do_test_comparison, 1);
timed_test(&do_test_comparison, 1);
}
boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[])
{
boost::unit_test_framework::test_suite* test = BOOST_TEST_SUITE("Boost.Threads: thread test suite");
boost::unit_test_framework::test_suite* test =
BOOST_TEST_SUITE("Boost.Threads: thread test suite");
test->add(BOOST_TEST_CASE(test_sleep));
test->add(BOOST_TEST_CASE(test_creation));

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/tss.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/thread.hpp>
@@ -6,6 +17,7 @@
#include "util.inl"
boost::mutex check_mutex;
boost::mutex tss_mutex;
int tss_instances = 0;
@@ -33,7 +45,13 @@ void test_tss_thread()
for (int i=0; i<1000; ++i)
{
int& n = tss_value->value;
BOOST_CHECK_EQUAL(n, i);
// Don't call BOOST_CHECK_EQUAL directly, as it doesn't appear to
// be thread safe. Must evaluate further.
if (n != i)
{
boost::mutex::scoped_lock lock(check_mutex);
BOOST_CHECK_EQUAL(n, i);
}
++n;
}
}
@@ -50,12 +68,13 @@ void do_test_tss()
void test_tss()
{
timed_test(&do_test_tss, 2);
timed_test(&do_test_tss, 2);
}
boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[])
{
boost::unit_test_framework::test_suite* test = BOOST_TEST_SUITE("Boost.Threads: tss test suite");
boost::unit_test_framework::test_suite* test =
BOOST_TEST_SUITE("Boost.Threads: tss test suite");
test->add(BOOST_TEST_CASE(test_tss));

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/xtime.hpp>
#include <boost/test/unit_test.hpp>
@@ -5,7 +16,9 @@
void test_xtime_cmp()
{
boost::xtime xt1, xt2, cur;
BOOST_CHECK_EQUAL(boost::xtime_get(&cur, boost::TIME_UTC), static_cast<int>(boost::TIME_UTC));
BOOST_CHECK_EQUAL(
boost::xtime_get(&cur, boost::TIME_UTC),
static_cast<int>(boost::TIME_UTC));
xt1 = xt2 = cur;
xt1.nsec -= 1;
@@ -27,12 +40,16 @@ void test_xtime_cmp()
void test_xtime_get()
{
boost::xtime orig, cur, old;
BOOST_CHECK_EQUAL(boost::xtime_get(&orig, boost::TIME_UTC), static_cast<int>(boost::TIME_UTC));
BOOST_CHECK_EQUAL(
boost::xtime_get(&orig,
boost::TIME_UTC), static_cast<int>(boost::TIME_UTC));
old = orig;
for (int x=0; x < 100; ++x)
{
BOOST_CHECK_EQUAL(boost::xtime_get(&cur, boost::TIME_UTC), static_cast<int>(boost::TIME_UTC));
BOOST_CHECK_EQUAL(
boost::xtime_get(&cur, boost::TIME_UTC),
static_cast<int>(boost::TIME_UTC));
BOOST_CHECK(boost::xtime_cmp(cur, orig) >= 0);
BOOST_CHECK(boost::xtime_cmp(cur, old) >= 0);
old = cur;
@@ -41,7 +58,8 @@ void test_xtime_get()
boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[])
{
boost::unit_test_framework::test_suite* test = BOOST_TEST_SUITE("Boost.Threads: xtime test suite");
boost::unit_test_framework::test_suite* test =
BOOST_TEST_SUITE("Boost.Threads: xtime test suite");
test->add(BOOST_TEST_CASE(&test_xtime_cmp));
test->add(BOOST_TEST_CASE(&test_xtime_get));

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#if !defined(UTIL_INL_WEK01242003)
#define UTIL_INL_WEK01242003
@@ -12,139 +23,140 @@
namespace
{
inline boost::xtime delay(int secs, int msecs=0, int nsecs=0)
{
const int MILLISECONDS_PER_SECOND = 1000;
const int NANOSECONDS_PER_SECOND = 1000000000;
const int NANOSECONDS_PER_MILLISECOND = 1000000;
inline boost::xtime delay(int secs, int msecs=0, int nsecs=0)
{
const int MILLISECONDS_PER_SECOND = 1000;
const int NANOSECONDS_PER_SECOND = 1000000000;
const int NANOSECONDS_PER_MILLISECOND = 1000000;
boost::xtime xt;
BOOST_CHECK_EQUAL(boost::xtime_get(&xt, boost::TIME_UTC),
static_cast<int>(boost::TIME_UTC));
boost::xtime xt;
BOOST_CHECK_EQUAL(boost::xtime_get(&xt, boost::TIME_UTC),
static_cast<int>(boost::TIME_UTC));
nsecs += xt.nsec;
msecs += nsecs / NANOSECONDS_PER_MILLISECOND;
secs += msecs / MILLISECONDS_PER_SECOND;
nsecs += (msecs % MILLISECONDS_PER_SECOND) * NANOSECONDS_PER_MILLISECOND;
xt.nsec = nsecs % NANOSECONDS_PER_SECOND;
xt.sec += secs + (nsecs / NANOSECONDS_PER_SECOND);
nsecs += xt.nsec;
msecs += nsecs / NANOSECONDS_PER_MILLISECOND;
secs += msecs / MILLISECONDS_PER_SECOND;
nsecs += (msecs % MILLISECONDS_PER_SECOND) * NANOSECONDS_PER_MILLISECOND;
xt.nsec = nsecs % NANOSECONDS_PER_SECOND;
xt.sec += secs + (nsecs / NANOSECONDS_PER_SECOND);
return xt;
}
return xt;
}
inline bool in_range(const boost::xtime& xt, int secs=1)
{
boost::xtime min = delay(-secs);
boost::xtime max = delay(0);
return (boost::xtime_cmp(xt, min) >= 0) && (boost::xtime_cmp(xt, max) <= 0);
}
inline bool in_range(const boost::xtime& xt, int secs=1)
{
boost::xtime min = delay(-secs);
boost::xtime max = delay(0);
return (boost::xtime_cmp(xt, min) >= 0) &&
(boost::xtime_cmp(xt, max) <= 0);
}
class execution_monitor
class execution_monitor
{
public:
enum wait_type { use_sleep_only, use_mutex, use_condition };
execution_monitor(wait_type type, int secs)
: done(false), type(type), secs(secs) { }
void start()
{
public:
enum wait_type { use_sleep_only, use_mutex, use_condition };
execution_monitor(wait_type type, int secs)
: done(false), type(type), secs(secs) { }
void start()
{
if (type != use_sleep_only) {
boost::mutex::scoped_lock lock(mutex); done = false;
} else {
done = false;
}
}
void finish()
{
if (type != use_sleep_only) {
boost::mutex::scoped_lock lock(mutex);
done = true;
if (type == use_condition)
cond.notify_one();
} else {
done = true;
}
}
bool wait()
{
boost::xtime xt = delay(secs);
if (type != use_condition)
boost::thread::sleep(xt);
if (type != use_sleep_only) {
boost::mutex::scoped_lock lock(mutex);
while (type == use_condition && !done) {
if (!cond.timed_wait(lock, xt))
break;
}
return done;
}
return done;
}
private:
boost::mutex mutex;
boost::condition cond;
bool done;
wait_type type;
int secs;
};
template <typename F>
class indirect_adapter
{
public:
indirect_adapter(F func, execution_monitor& monitor)
: func(func), monitor(monitor) { }
void operator()() const
{
try
{
boost::thread thrd(func);
thrd.join();
}
catch (...)
{
monitor.finish();
throw;
}
monitor.finish();
if (type != use_sleep_only) {
boost::mutex::scoped_lock lock(mutex); done = false;
} else {
done = false;
}
private:
F func;
execution_monitor& monitor;
};
template <typename F>
void timed_test(F func, int secs,
execution_monitor::wait_type type=DEFAULT_EXECUTION_MONITOR_TYPE)
{
execution_monitor monitor(type, secs);
indirect_adapter<F> ifunc(func, monitor);
monitor.start();
boost::thread thrd(ifunc);
BOOST_REQUIRE_MESSAGE(monitor.wait(),
"Timed test didn't complete in time, possible deadlock.");
}
template <typename F, typename T>
class binder
}
void finish()
{
public:
binder(const F& func, const T& param)
: func(func), param(param) { }
void operator()() const { func(param); }
if (type != use_sleep_only) {
boost::mutex::scoped_lock lock(mutex);
done = true;
if (type == use_condition)
cond.notify_one();
} else {
done = true;
}
}
bool wait()
{
boost::xtime xt = delay(secs);
if (type != use_condition)
boost::thread::sleep(xt);
if (type != use_sleep_only) {
boost::mutex::scoped_lock lock(mutex);
while (type == use_condition && !done) {
if (!cond.timed_wait(lock, xt))
break;
}
return done;
}
return done;
}
private:
F func;
T param;
};
private:
boost::mutex mutex;
boost::condition cond;
bool done;
wait_type type;
int secs;
};
template <typename F, typename T>
binder<F, T> bind(const F& func, const T& param)
{
return binder<F, T>(func, param);
}
template <typename F>
class indirect_adapter
{
public:
indirect_adapter(F func, execution_monitor& monitor)
: func(func), monitor(monitor) { }
void operator()() const
{
try
{
boost::thread thrd(func);
thrd.join();
}
catch (...)
{
monitor.finish();
throw;
}
monitor.finish();
}
private:
F func;
execution_monitor& monitor;
};
template <typename F>
void timed_test(F func, int secs,
execution_monitor::wait_type type=DEFAULT_EXECUTION_MONITOR_TYPE)
{
execution_monitor monitor(type, secs);
indirect_adapter<F> ifunc(func, monitor);
monitor.start();
boost::thread thrd(ifunc);
BOOST_REQUIRE_MESSAGE(monitor.wait(),
"Timed test didn't complete in time, possible deadlock.");
}
template <typename F, typename T>
class binder
{
public:
binder(const F& func, const T& param)
: func(func), param(param) { }
void operator()() const { func(param); }
private:
F func;
T param;
};
template <typename F, typename T>
binder<F, T> bind(const F& func, const T& param)
{
return binder<F, T>(func, param);
}
} // namespace
#endif

View File

@@ -1,8 +1,19 @@
# (C) Copyright William E. Kempf 2001. Permission to copy, use, modify, sell and
# distribute this software is granted provided this copyright notice appears
# in all copies. This software is provided "as is" without express or implied
# warranty, and with no claim as to its suitability for any purpose.
# (C) Copyright William E. Kempf 2001. Permission to copy, use, modify, sell
# and distribute this software is granted provided this copyright notice
# appears in all copies. This software is provided "as is" without express or
# implied warranty, and with no claim as to its suitability for any purpose.
#
# Boost.Threads example Jamfile
#
# Additional configuration variables used:
# 1. PTW32 may be used on Win32 platforms to specify that the pthreads-win32
# library should be used instead of "native" threads. This feature is
# mostly used for testing and it's generally recommended you use the
# native threading libraries instead. PTW32 should be set to be a list
# of two strings, the first specifying the installation path of the
# pthreads-win32 library and the second specifying which library
# variant to link against (see the pthreads-win32 documentation).
# Example: jam -sPTW32="c:\pthreads-win32 pthreadVCE.lib"
# Declare the location of this subproject relative to the root.
@@ -11,25 +22,27 @@ subproject libs/thread/tutorial ;
# Include threads.jam for Boost.Threads global build information.
# This greatly simplifies the Jam code needed to configure the build
# for the various Win32 build types.
SEARCH on <module@>threads.jam = $(BOOST_ROOT)/libs/thread/build ;
include <module@>threads.jam ;
import ../build/threads ;
template tutorial
## sources ##
: <template>thread_base <lib>../build/boost_thread <lib>../../test/build/unit_test_framework $(threadmon)
## requirements ##
:
## default build ##
: release <runtime-link>static
;
{
template tutorial
## sources ##
: <template>thread_base
<dll>../build/boost_thread
## requirements ##
:
## default build ##
:
;
exe helloworld : <template>tutorial helloworld.cpp ;
exe helloworld2 : <template>tutorial helloworld2.cpp ;
exe helloworld3 : <template>tutorial helloworld3.cpp ;
exe helloworld4 : <template>tutorial helloworld4.cpp ;
exe factorial : <template>tutorial factorial.cpp ;
exe factorial2 : <template>tutorial factorial2.cpp ;
exe factorial3 : <template>tutorial factorial3.cpp ;
exe counter : <template>tutorial counter.cpp ;
exe bounded_buffer : <template>tutorial bounded_buffer.cpp ;
exe once : <template>tutorial once.cpp ;
exe helloworld : <template>tutorial helloworld.cpp ;
exe helloworld2 : <template>tutorial helloworld2.cpp ;
exe helloworld3 : <template>tutorial helloworld3.cpp ;
exe helloworld4 : <template>tutorial helloworld4.cpp ;
exe factorial : <template>tutorial factorial.cpp ;
exe factorial2 : <template>tutorial factorial2.cpp ;
exe factorial3 : <template>tutorial factorial3.cpp ;
exe counter : <template>tutorial counter.cpp ;
exe bounded_buffer : <template>tutorial bounded_buffer.cpp ;
exe once : <template>tutorial once.cpp ;
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/condition.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/thread.hpp>
@@ -39,9 +50,9 @@ bounded_buffer buf(2);
void sender() {
int n = 0;
while (n < 100) {
buf.send(n);
std::cout << "sent: " << n << std::endl;
++n;
buf.send(n);
std::cout << "sent: " << n << std::endl;
++n;
}
buf.send(-1);
}
@@ -49,8 +60,8 @@ void sender() {
void receiver() {
int n;
do {
n = buf.receive();
std::cout << "received: " << n << std::endl;
n = buf.receive();
std::cout << "received: " << n << std::endl;
} while (n != -1); // -1 indicates end of buffer
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/mutex.hpp>
#include <boost/thread/thread.hpp>
#include <iostream>
@@ -7,7 +18,7 @@ int counter=0;
void change_count()
{
boost::mutex::scoped_lock lock(mutex);
boost::mutex::scoped_lock lock(mutex);
int i = ++counter;
std::cout << "count == " << i << std::endl;
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <iostream>
@@ -23,4 +34,4 @@ int main()
boost::thread thrd(f);
thrd.join();
std::cout << "10! = " << result << std::endl;
}
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <boost/ref.hpp>
#include <iostream>
@@ -23,4 +34,4 @@ int main()
boost::thread thrd(boost::ref(f));
thrd.join();
std::cout << "10! = " << f.result() << std::endl;
}
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <iostream>
@@ -21,10 +32,10 @@ private:
int main()
{
int results[NUM_CALCS];
boost::thread_group thrds;
for (int i=0; i < NUM_CALCS; ++i)
thrds.create_thread(factorial(i*10, results[i]));
thrds.join_all();
for (int i=0; i < NUM_CALCS; ++i)
std::cout << i*10 << "! = " << results[i] << std::endl;
}
boost::thread_group thrds;
for (int i=0; i < NUM_CALCS; ++i)
thrds.create_thread(factorial(i*10, results[i]));
thrds.join_all();
for (int j=0; j < NUM_CALCS; ++j)
std::cout << j*10 << "! = " << results[j] << std::endl;
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <iostream>
@@ -10,4 +21,4 @@ int main()
{
boost::thread thrd(&helloworld);
thrd.join();
}
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <iostream>
@@ -11,4 +22,4 @@ int main()
{
boost::thread thrd(helloworld());
thrd.join();
}
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <iostream>
@@ -12,4 +23,4 @@ int main()
{
boost::thread thrd(helloworld("Bob"));
thrd.join();
}
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <boost/bind.hpp>
#include <iostream>
@@ -11,4 +22,4 @@ int main()
{
boost::thread thrd(boost::bind(&helloworld, "Bob"));
thrd.join();
}
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <boost/thread/once.hpp>
#include <cassert>
@@ -12,14 +23,14 @@ void init()
void thread_proc()
{
boost::call_once(&init, once);
boost::call_once(&init, once);
}
int main(int argc, char* argv[])
{
boost::thread_group threads;
for (int i=0; i<5; ++i)
threads.create_thread(&thread_proc);
threads.join_all();
assert(value == 1);
boost::thread_group threads;
for (int i=0; i<5; ++i)
threads.create_thread(&thread_proc);
threads.join_all();
assert(value == 1);
}

View File

@@ -1,3 +1,14 @@
// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/thread.hpp>
#include <boost/thread/tss.hpp>
#include <cassert>
@@ -6,25 +17,25 @@ boost::thread_specific_ptr<int> value;
void increment()
{
int* p = value.get();
++*p;
int* p = value.get();
++*p;
}
void thread_proc()
{
value.reset(new int(0)); // initialize the thread's storage
for (int i=0; i<10; ++i)
{
increment();
int* p = value.get();
assert(*p == i+1);
}
value.reset(new int(0)); // initialize the thread's storage
for (int i=0; i<10; ++i)
{
increment();
int* p = value.get();
assert(*p == i+1);
}
}
int main(int argc, char* argv[])
{
boost::thread_group threads;
for (int i=0; i<5; ++i)
threads.create_thread(&thread_proc);
threads.join_all();
boost::thread_group threads;
for (int i=0; i<5; ++i)
threads.create_thread(&thread_proc);
threads.join_all();
}