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mirror of https://github.com/boostorg/thread.git synced 2026-02-15 01:22:08 +00:00

obsolete code

[SVN r33672]
This commit is contained in:
Roland Schwarz
2006-04-11 22:23:47 +00:00
parent 65f466c813
commit 45ca67ec26
32 changed files with 0 additions and 2258 deletions

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#define TARGET_CARBON 1

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#include "delivery_man.hpp"
#include "os.hpp"
#include "execution_context.hpp"
namespace boost {
namespace threads {
namespace mac {
namespace detail {
delivery_man::delivery_man():
m_pPackage(NULL),
m_pSemaphore(kInvalidID),
m_bPackageWaiting(false)
{
assert(at_st());
OSStatus lStatus = MPCreateSemaphore(1UL, 0UL, &m_pSemaphore);
// TODO - throw on error here
assert(lStatus == noErr);
}
delivery_man::~delivery_man()
{
assert(m_bPackageWaiting == false);
OSStatus lStatus = MPDeleteSemaphore(m_pSemaphore);
assert(lStatus == noErr);
}
void delivery_man::accept_deliveries()
{
if(m_bPackageWaiting)
{
assert(m_pPackage != NULL);
m_pPackage->accept();
m_pPackage = NULL;
m_bPackageWaiting = false;
// signal to the thread making the call that we're done
OSStatus lStatus = MPSignalSemaphore(m_pSemaphore);
assert(lStatus == noErr);
}
}
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_DELIVERY_MAN_MJM012402_HPP
#define BOOST_DELIVERY_MAN_MJM012402_HPP
#include <boost/function.hpp>
#include <boost/utility.hpp>
#include <boost/thread/mutex.hpp>
#include "package.hpp"
#include <Multiprocessing.h>
namespace boost {
namespace threads {
namespace mac {
namespace detail {
// class delivery_man is intended to move boost::function objects from MP tasks to
// other execution contexts (such as deferred task time or system task time).
class delivery_man: private noncopyable
{
public:
delivery_man();
~delivery_man();
public:
template<class R>
R deliver(function<R> &rFunctor);
void accept_deliveries();
private:
base_package *m_pPackage;
mutex m_oMutex;
MPSemaphoreID m_pSemaphore;
bool m_bPackageWaiting;
};
template<class R>
R delivery_man::deliver(function<R> &rFunctor)
{
assert(at_mp());
// lock our mutex
mutex::scoped_lock oLock(m_oMutex);
// create a package and save it
package<R> oPackage(rFunctor);
m_pPackage = &oPackage;
m_bPackageWaiting = true;
// wait on the semaphore
OSStatus lStatus = MPWaitOnSemaphore(m_pSemaphore, kDurationForever);
assert(lStatus == noErr);
return(oPackage.return_value());
}
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost
#endif // BOOST_DELIVERY_MAN_MJM012402_HPP

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#include "dt_scheduler.hpp"
#include "ot_context.hpp"
#include <boost/thread/detail/singleton.hpp>
#include <OpenTransportProtocol.h>
namespace boost {
namespace threads {
namespace mac {
namespace detail {
const OTTimeout k_ulTimerTaskDelay = 1UL;
dt_scheduler::dt_scheduler():
m_bReschedule(false),
m_uppTask(NULL),
m_lTask(0UL)
{
using ::boost::detail::thread::singleton;
ot_context &rContext(singleton<ot_context>::instance());
m_uppTask = NewOTProcessUPP(task_entry);
m_lTask = OTCreateTimerTaskInContext(m_uppTask, this, rContext.get_context());
}
dt_scheduler::~dt_scheduler()
{
OTDestroyTimerTask(m_lTask);
m_lTask = 0UL;
DisposeOTProcessUPP(m_uppTask);
m_uppTask = NULL;
}
void dt_scheduler::start_polling()
{
m_bReschedule = true;
schedule_task();
}
void dt_scheduler::stop_polling()
{
m_bReschedule = false;
}
void dt_scheduler::schedule_task()
{
if(m_bReschedule)
{
OTScheduleTimerTask(m_lTask, k_ulTimerTaskDelay);
}
}
/*static*/ pascal void dt_scheduler::task_entry(void *pRefCon)
{
dt_scheduler *pThis = reinterpret_cast<dt_scheduler *>(pRefCon);
assert(pThis != NULL);
pThis->task();
}
void dt_scheduler::task()
{
periodic_function();
schedule_task();
}
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_DT_SCHEDULER_MJM012402_HPP
#define BOOST_DT_SCHEDULER_MJM012402_HPP
#include "periodical.hpp"
#include <OpenTransport.h>
namespace boost {
namespace threads {
namespace mac {
namespace detail {
// class dt_scheduler calls its pure-virtual periodic_function method periodically at
// deferred task time. This is generally 1kHz under Mac OS 9.
class dt_scheduler
{
public:
dt_scheduler();
virtual ~dt_scheduler();
protected:
void start_polling();
void stop_polling();
private:
virtual void periodic_function() = 0;
private:
void schedule_task();
static pascal void task_entry(void *pRefCon);
void task();
private:
bool m_bReschedule;
OTProcessUPP m_uppTask;
long m_lTask;
};
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost
#endif // BOOST_DT_SCHEDULER_MJM012402_HPP

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#include <Debugging.h>
#include <Multiprocessing.h>
#include "execution_context.hpp"
#include "init.hpp"
namespace boost {
namespace threads {
namespace mac {
execution_context_t execution_context()
{
// make sure that MP services are available the first time through
static bool bIgnored = detail::thread_init();
// first check if we're an MP task
if(MPTaskIsPreemptive(kInvalidID))
{
return(k_eExecutionContextMPTask);
}
#if TARGET_CARBON
// Carbon has TaskLevel
UInt32 ulLevel = TaskLevel();
if(ulLevel == 0UL)
{
return(k_eExecutionContextSystemTask);
}
if(ulLevel & kInDeferredTaskMask)
{
return(k_eExecutionContextDeferredTask);
}
return(k_eExecutionContextOther);
#else
// this can be implemented using TaskLevel if you don't mind linking against
// DebugLib (and therefore breaking Mac OS 8.6 support), or CurrentExecutionLevel.
# error execution_context unimplimented
#endif
}
} // namespace mac
} // namespace threads
} // namespace boost

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_EXECUTION_CONTEXT_MJM012402_HPP
#define BOOST_EXECUTION_CONTEXT_MJM012402_HPP
namespace boost {
namespace threads {
namespace mac {
// utility functions for figuring out what context your code is executing in.
// Bear in mind that at_mp and in_blue are the only functions guarenteed by
// Apple to work. There is simply no way of being sure that you will not get
// false readings about task level at interrupt time in blue.
typedef enum {
k_eExecutionContextSystemTask,
k_eExecutionContextDeferredTask,
k_eExecutionContextMPTask,
k_eExecutionContextOther
} execution_context_t;
execution_context_t execution_context();
inline bool at_st()
{ return(execution_context() == k_eExecutionContextSystemTask); }
inline bool at_mp()
{ return(execution_context() == k_eExecutionContextMPTask); }
inline bool in_blue()
{ return(!at_mp()); }
} // namespace mac
} // namespace threads
} // namespace boost
#endif // BOOST_EXECUTION_CONTEXT_MJM012402_HPP

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#include "init.hpp"
#include "remote_call_manager.hpp"
#include <boost/thread/detail/singleton.hpp>
#include <Multiprocessing.h>
namespace boost {
namespace threads {
namespace mac {
namespace detail {
namespace {
// force these to get called by the end of static initialization time.
static bool g_bInitialized = (thread_init() && create_singletons());
}
bool thread_init()
{
static bool bResult = MPLibraryIsLoaded();
return(bResult);
}
bool create_singletons()
{
using ::boost::detail::thread::singleton;
singleton<remote_call_manager>::instance();
return(true);
}
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_INIT_MJM012402_HPP
#define BOOST_INIT_MJM012402_HPP
namespace boost {
namespace threads {
namespace mac {
namespace detail {
bool thread_init();
bool create_singletons();
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost
#endif // BOOST_INIT_MJM012402_HPP

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#include <cassert>
#include <cstdio>
#include <MacTypes.h>
#include "remote_calls.hpp"
// this function will be called when an assertion fails. We redirect the assertion
// to DebugStr (MacsBug under Mac OS 1.x-9.x, Console under Mac OS X).
void __assertion_failed(char const *pszAssertion, char const *pszFile, int nLine)
{
using std::snprintf;
unsigned char strlDebug[sizeof(Str255) + 1];
char *pszDebug = reinterpret_cast<char *>(&strlDebug[1]);
strlDebug[0] = snprintf(pszDebug, sizeof(Str255), "assertion failed: \"%s\", %s, line %d", pszAssertion, pszFile, nLine);
boost::threads::mac::dt_remote_call(DebugStr, static_cast<ConstStringPtr>(strlDebug));
}

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
//
// includes
//
#include <abort_exit.h>
#include <console.h>
#include <console_io.h>
#include <misc_io.h>
#include <SIOUX.h>
#include "remote_calls.hpp"
//
// using declarations
//
using std::__file_handle;
using std::__idle_proc;
using std::__io_error;
using std::__no_io_error;
using std::size_t;
using boost::threads::mac::st_remote_call;
//
// prototypes
//
static bool check_console();
static int do_read_console(__file_handle ulHandle, unsigned char *pBuffer, size_t *pCount, __idle_proc pfnIdleProc);
static int do_write_console(__file_handle ulHandle, unsigned char *pBuffer, size_t *pCount, __idle_proc pfnIdleProc);
//
// MSL function replacements
//
// these two functions are called by cin and cout, respectively, as well as by (all?)
// other functions in MSL that do console I/O. All that they do is as the remote
// call manager to ensure that their guts are called at system task time.
int __read_console(__file_handle handle, unsigned char * buffer, size_t * count, __idle_proc idle_proc)
{
return(st_remote_call(do_read_console, handle, buffer, count, idle_proc));
}
int __write_console(__file_handle handle, unsigned char * buffer, size_t * count, __idle_proc idle_proc)
{
return(st_remote_call(do_write_console, handle, buffer, count, idle_proc));
}
//
// implementations
//
static bool check_console()
{
static bool s_bHaveConsole(false);
static bool s_bWontHaveConsole(false);
if(s_bHaveConsole)
{
return(true);
}
if(s_bWontHaveConsole == false)
{
__stdio_atexit();
if(InstallConsole(0) != 0)
{
s_bWontHaveConsole = true;
return(false);
}
__console_exit = RemoveConsole;
s_bHaveConsole = true;
return(true);
}
return(false);
}
int do_read_console(__file_handle /*ulHandle*/, unsigned char *pBuffer, size_t *pCount, __idle_proc /*pfnIdleProc*/)
{
assert(pCount != NULL);
assert(pBuffer != NULL || *pCount == 0UL);
if(check_console() == false)
{
return(__io_error);
}
std::fflush(stdout);
long lCount = ReadCharsFromConsole(reinterpret_cast<char *>(pBuffer), static_cast<long>(*pCount));
*pCount = static_cast<size_t>(lCount);
if(lCount == -1L)
{
return(__io_error);
}
return(__no_io_error);
}
int do_write_console(__file_handle /*ulHandle*/, unsigned char *pBuffer, size_t *pCount, __idle_proc /*pfnIdleProc*/)
{
if(check_console() == false)
{
return(__io_error);
}
long lCount = WriteCharsToConsole(reinterpret_cast<char *>(pBuffer), static_cast<long>(*pCount));
*pCount = static_cast<size_t>(lCount);
if(lCount == -1L)
{
return(__io_error);
}
return(__no_io_error);
}

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
//
// includes
//
#include <cstdlib>
#include <Multiprocessing.h>
//
// using declarations
//
using std::size_t;
extern "C" {
//
// prototypes
//
void *malloc(size_t ulSize);
void free(void *pBlock);
}
//
// MSL function replacements
//
// all allocation/deallocation currently goes through MPAllocateAligned/MPFree. This
// solution is sub-optimal at best, but will have to do for now.
void *malloc(size_t ulSize)
{
static bool bIgnored = MPLibraryIsLoaded();
return(MPAllocateAligned(ulSize, kMPAllocateDefaultAligned, 0UL));
}
void free(void *pBlock)
{
if(pBlock == NULL) return;
MPFree(pBlock);
}

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
//
// includes
//
#include <new>
#include <Multiprocessing.h>
//
// using declarations
//
using std::size_t;
using std::bad_alloc;
using std::nothrow_t;
using std::nothrow;
//
// local utility functions
//
// all allocation/deallocation currently goes through MPAllocateAligned/MPFree. This
// solution is sub-optimal at best, but will have to do for now.
inline static void *allocate(size_t ulSize, const nothrow_t &)
{
static bool bIgnored = MPLibraryIsLoaded();
return(MPAllocateAligned(ulSize, kMPAllocateDefaultAligned, 0UL));
}
inline static void *allocate(size_t ulSize)
{
void *pBlock = allocate(ulSize, nothrow);
if(pBlock == NULL)
throw(bad_alloc());
return(pBlock);
}
inline static void deallocate(void *pBlock)
{
if(pBlock == NULL) return;
MPFree(pBlock);
}
//
// global operators
//
void *operator new(size_t ulSize)
{
return(allocate(ulSize));
}
void *operator new[](size_t ulSize)
{
return(allocate(ulSize));
}
void *operator new(size_t ulSize, const nothrow_t &rNoThrow)
{
return(allocate(ulSize, rNoThrow));
}
void *operator new[](size_t ulSize, const nothrow_t &rNoThrow)
{
return(allocate(ulSize, rNoThrow));
}
void operator delete(void *pBlock)
{
deallocate(pBlock);
}
void operator delete[](void *pBlock)
{
deallocate(pBlock);
}
void operator delete(void *pBlock, const nothrow_t &)
{
deallocate(pBlock);
}
void operator delete[](void *pBlock, const nothrow_t &)
{
deallocate(pBlock);
}

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#include <cassert>
// we include timesize.mac.h to get whether or not __TIMESIZE_DOUBLE__ is
// defined. This is not safe, given that __TIMESIZE_DOUBLE__ affects MSL
// at MSL's compile time, not ours, so be forgiving if you have changed it
// since you have built MSL.
#include <timesize.mac.h>
#include <time.h>
#include <boost/thread/detail/force_cast.hpp>
#include <boost/thread/xtime.hpp>
#include "execution_context.hpp"
#include <DriverServices.h>
extern "C"
{
clock_t __get_clock();
time_t __get_time();
int __to_gm_time(time_t *pTime);
int __is_dst();
}
static inline uint64_t get_nanoseconds()
{
using boost::detail::thread::force_cast;
return(force_cast<uint64_t>(AbsoluteToNanoseconds(UpTime())));
}
#ifdef __TIMESIZE_DOUBLE__
// return number of microseconds since startup as a double
clock_t __get_clock()
{
static const double k_dNanosecondsPerMicrosecond(1000.0);
return(get_nanoseconds() / k_dNanosecondsPerMicrosecond);
}
#else
// return number of ticks (60th of a second) since startup as a long
clock_t __get_clock()
{
static const uint64_t k_ullTicksPerSecond(60ULL);
static const uint64_t k_ullNanosecondsPerSecond(1000ULL * 1000ULL * 1000ULL);
static const uint64_t k_ullNanosecondsPerTick(k_ullNanosecondsPerSecond / k_ullTicksPerSecond);
return(get_nanoseconds() / k_ullNanosecondsPerTick);
}
#endif
// return number of seconds elapsed since Jan 1, 1970
time_t __get_time()
{
boost::xtime sTime;
int nType = boost::xtime_get(&sTime, boost::TIME_UTC);
assert(nType == boost::TIME_UTC);
return(static_cast<time_t>(sTime.sec));
}
static inline MachineLocation &read_location()
{
static MachineLocation s_sLocation;
assert(boost::threads::mac::at_st());
ReadLocation(&s_sLocation);
return(s_sLocation);
}
static inline MachineLocation &get_location()
{
static MachineLocation &s_rLocation(read_location());
return(s_rLocation);
}
// force the machine location to be cached at static initlialization
static MachineLocation &g_rIgnored(get_location());
static inline long calculate_delta()
{
MachineLocation &rLocation(get_location());
// gmtDelta is a 24-bit, signed integer. We need to strip out the lower 24 bits,
// then sign-extend what we have.
long lDelta = rLocation.u.gmtDelta & 0x00ffffffL;
if((lDelta & 0x00800000L) != 0L)
{
lDelta |= 0xFF000000;
}
return(lDelta);
}
static inline bool check_if_location_is_broken()
{
MachineLocation &rLocation(get_location());
if(rLocation.latitude == 0 && rLocation.longitude == 0 && rLocation.u.gmtDelta == 0)
return(true);
return(false);
}
static inline bool location_is_broken()
{
static bool s_bLocationIsBroken(check_if_location_is_broken());
return(s_bLocationIsBroken);
}
// translate time to GMT
int __to_gm_time(time_t *pTime)
{
if(location_is_broken())
{
return(0);
}
static long s_lDelta(calculate_delta());
*pTime -= s_lDelta;
return(1);
}
static inline bool is_daylight_savings_time()
{
MachineLocation &rLocation(get_location());
return(rLocation.u.dlsDelta != 0);
}
// check if we're in daylight savings time
int __is_dst()
{
if(location_is_broken())
{
return(-1);
}
static bool bIsDaylightSavingsTime(is_daylight_savings_time());
return(static_cast<int>(bIsDaylightSavingsTime));
}

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#include "os.hpp"
#include <cassert>
#include <Gestalt.h>
namespace boost {
namespace threads {
namespace mac {
namespace os {
// read the OS version from Gestalt
static inline long get_version()
{
long lVersion;
OSErr nErr = Gestalt(gestaltSystemVersion, &lVersion);
assert(nErr == noErr);
return(lVersion);
}
// check if we're running under Mac OS X and cache that information
bool x()
{
static bool bX = (version() >= 0x1000);
return(bX);
}
// read the OS version and cache it
long version()
{
static long lVersion = get_version();
return(lVersion);
}
} // namespace os
} // namespace mac
} // namespace threads
} // namespace boost

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_OS_MJM012402_HPP
#define BOOST_OS_MJM012402_HPP
namespace boost {
namespace threads {
namespace mac {
namespace os {
// functions to determine the OS environment. With namespaces, you get a cute call:
// mac::os::x
bool x();
long version();
} // namespace os
} // namespace mac
} // namespace threads
} // namespace boost
#endif // BOOST_OS_MJM012402_HPP

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#include "ot_context.hpp"
#include "execution_context.hpp"
#include <cassert>
namespace boost {
namespace threads {
namespace mac {
namespace detail {
ot_context::ot_context()
{
assert(at_st());
OSStatus lStatus = InitOpenTransportInContext(0UL, &m_pContext);
// TODO - throw on error
assert(lStatus == noErr);
}
ot_context::~ot_context()
{
CloseOpenTransportInContext(m_pContext);
}
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_OT_CONTEXT_MJM012402_HPP
#define BOOST_OT_CONTEXT_MJM012402_HPP
#include <OpenTransport.h>
#include <boost/utility.hpp>
namespace boost {
namespace threads {
namespace mac {
namespace detail {
// class ot_context is intended to be used only as a singleton. All that this class
// does is ask OpenTransport to create him an OTClientContextPtr, and then doles
// this out to anyone who wants it. ot_context should only be instantiated at
// system task time.
class ot_context: private noncopyable
{
protected:
ot_context();
~ot_context();
public:
OTClientContextPtr get_context();
private:
OTClientContextPtr m_pContext;
};
inline OTClientContextPtr ot_context::get_context()
{ return(m_pContext); }
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost
#endif // BOOST_OT_CONTEXT_MJM012402_HPP

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_PACKAGE_MJM012402_HPP
#define BOOST_PACKAGE_MJM012402_HPP
namespace boost {
namespace threads {
namespace mac {
namespace detail {
class base_package: private noncopyable
{
public:
virtual void accept() = 0;
};
template<class R>
class package: public base_package
{
public:
inline package(function<R> &rFunctor):
m_rFunctor(rFunctor)
{ /* no-op */ }
inline ~package()
{ /* no-op */ }
virtual void accept()
{ m_oR = m_rFunctor(); }
inline R return_value()
{ return(m_oR); }
private:
function<R> &m_rFunctor;
R m_oR;
};
template<>
class package<void>: public base_package
{
public:
inline package(function<void> &rFunctor):
m_rFunctor(rFunctor)
{ /* no-op */ }
inline ~package()
{ /* no-op */ }
virtual void accept()
{ m_rFunctor(); }
inline void return_value()
{ return; }
private:
function<void> &m_rFunctor;
};
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost
#endif // BOOST_PACKAGE_MJM012402_HPP

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_PERIODICAL_MJM012402_HPP
#define BOOST_PERIODICAL_MJM012402_HPP
#include <boost/function.hpp>
#include <boost/utility.hpp>
namespace boost {
namespace threads {
namespace mac {
namespace detail {
// class periodical inherits from its template parameter, which should follow the
// pattern set by classes dt_scheduler and st_scheduler. periodical knows how to
// call a boost::function, where the xx_scheduler classes only know to to call a
// member periodically.
template<class Scheduler>
class periodical: private noncopyable, private Scheduler
{
public:
periodical(function<void> &rFunction);
~periodical();
public:
void start();
void stop();
protected:
virtual void periodic_function();
private:
function<void> m_oFunction;
};
template<class Scheduler>
periodical<Scheduler>::periodical(function<void> &rFunction):
m_oFunction(rFunction)
{
// no-op
}
template<class Scheduler>
periodical<Scheduler>::~periodical()
{
stop();
}
template<class Scheduler>
void periodical<Scheduler>::start()
{
start_polling();
}
template<class Scheduler>
void periodical<Scheduler>::stop()
{
stop_polling();
}
template<class Scheduler>
inline void periodical<Scheduler>::periodic_function()
{
try
{
m_oFunction();
}
catch(...)
{
}
}
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost
#endif // BOOST_PERIODICAL_MJM012402_HPP

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#define NDEBUG
#define TARGET_CARBON 1

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#include "remote_call_manager.hpp"
#include <boost/bind.hpp>
namespace boost {
namespace threads {
namespace mac {
namespace detail {
using detail::delivery_man;
remote_call_manager::remote_call_manager():
m_oDTDeliveryMan(),
m_oSTDeliveryMan(),
m_oDTFunction(bind(&delivery_man::accept_deliveries, &m_oDTDeliveryMan)),
m_oSTFunction(bind(&delivery_man::accept_deliveries, &m_oSTDeliveryMan)),
m_oDTPeriodical(m_oDTFunction),
m_oSTPeriodical(m_oSTFunction)
{
m_oDTPeriodical.start();
m_oSTPeriodical.start();
}
remote_call_manager::~remote_call_manager()
{
}
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_REMOTE_CALL_MANAGER_MJM012402_HPP
#define BOOST_REMOTE_CALL_MANAGER_MJM012402_HPP
#include <boost/utility.hpp>
#include "delivery_man.hpp"
#include "dt_scheduler.hpp"
#include "periodical.hpp"
#include "execution_context.hpp"
#include "st_scheduler.hpp"
namespace boost {
namespace threads {
namespace mac {
namespace detail {
// class remote_call_manager is used by the remote call functions (dt_remote_call and
// st_remote_call) to execute functions in non-MP contexts.
class remote_call_manager: private noncopyable
{
protected:
remote_call_manager();
~remote_call_manager();
public:
template<class R>
R execute_at_dt(function<R> &rFunctor);
template<class R>
R execute_at_st(function<R> &rFunctor);
private:
template<class R>
static R execute_now(function<R> &rFunctor);
private:
delivery_man m_oDTDeliveryMan;
delivery_man m_oSTDeliveryMan;
function<void> m_oDTFunction;
function<void> m_oSTFunction;
periodical<dt_scheduler> m_oDTPeriodical;
periodical<st_scheduler> m_oSTPeriodical;
};
template<class R>
/*static*/ inline R remote_call_manager::execute_now(function<R> &rFunctor)
{
return(rFunctor());
}
template<>
/*static*/ inline void remote_call_manager::execute_now<void>(function<void> &rFunctor)
{
rFunctor();
}
template<class R>
inline R remote_call_manager::execute_at_dt(function<R> &rFunctor)
{
if(at_mp())
{
return(m_oDTDeliveryMan.deliver(rFunctor));
}
return(execute_now(rFunctor));
}
template<class R>
inline R remote_call_manager::execute_at_st(function<R> &rFunctor)
{
if(at_mp())
{
return(m_oSTDeliveryMan.deliver(rFunctor));
}
assert(at_st());
return(execute_now(rFunctor));
}
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost
#endif // BOOST_REMOTE_CALL_MANAGER_MJM012402_HPP

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_REMOTE_CALLS_MJM012402_HPP
#define BOOST_REMOTE_CALLS_MJM012402_HPP
#include <boost/bind.hpp>
#include "remote_call_manager.hpp"
#include <boost/thread/detail/singleton.hpp>
// this file contains macros to generate functions with the signatures:
// ReturnType st_remote_call([pascal] ReturnType (*pfnFunction)(
// [Argument1Type[, Argument2Type[...]]])
// [, Argument1Type oArgument1[, Argument2Type oArgument2[...]]])
// and
// ReturnType dt_remote_call([pascal] ReturnType (*pfnFunction)(
// [Argument1Type[, Argument2Type[...]]])
// [, Argument1Type oArgument1[, Argument2Type oArgument2[...]]])
// in other words, identical to the function pointer versions of boost::bind, but
// with the return type returned. The purpose of these functions is to be able to
// request that a function be called at system task time or deferred task time, then
// sleep until it is called, and finally get back its return value.
#define BOOST_REMOTE_CALL_CLASS_LIST_0
#define BOOST_REMOTE_CALL_CLASS_LIST_1 BOOST_REMOTE_CALL_CLASS_LIST_0, class A1
#define BOOST_REMOTE_CALL_CLASS_LIST_2 BOOST_REMOTE_CALL_CLASS_LIST_1, class A2
#define BOOST_REMOTE_CALL_CLASS_LIST_3 BOOST_REMOTE_CALL_CLASS_LIST_2, class A3
#define BOOST_REMOTE_CALL_CLASS_LIST_4 BOOST_REMOTE_CALL_CLASS_LIST_3, class A4
#define BOOST_REMOTE_CALL_CLASS_LIST_5 BOOST_REMOTE_CALL_CLASS_LIST_4, class A5
#define BOOST_REMOTE_CALL_CLASS_LIST_6 BOOST_REMOTE_CALL_CLASS_LIST_5, class A6
#define BOOST_REMOTE_CALL_CLASS_LIST_7 BOOST_REMOTE_CALL_CLASS_LIST_6, class A7
#define BOOST_REMOTE_CALL_CLASS_LIST_8 BOOST_REMOTE_CALL_CLASS_LIST_7, class A8
#define BOOST_REMOTE_CALL_CLASS_LIST_9 BOOST_REMOTE_CALL_CLASS_LIST_8, class A9
#define BOOST_REMOTE_CALL_ARGUMENT_LIST_0
#define BOOST_REMOTE_CALL_ARGUMENT_LIST_1 BOOST_REMOTE_CALL_ARGUMENT_LIST_0 A1 oA1
#define BOOST_REMOTE_CALL_ARGUMENT_LIST_2 BOOST_REMOTE_CALL_ARGUMENT_LIST_1, A2 oA2
#define BOOST_REMOTE_CALL_ARGUMENT_LIST_3 BOOST_REMOTE_CALL_ARGUMENT_LIST_2, A3 oA3
#define BOOST_REMOTE_CALL_ARGUMENT_LIST_4 BOOST_REMOTE_CALL_ARGUMENT_LIST_3, A4 oA4
#define BOOST_REMOTE_CALL_ARGUMENT_LIST_5 BOOST_REMOTE_CALL_ARGUMENT_LIST_4, A5 oA5
#define BOOST_REMOTE_CALL_ARGUMENT_LIST_6 BOOST_REMOTE_CALL_ARGUMENT_LIST_5, A6 oA6
#define BOOST_REMOTE_CALL_ARGUMENT_LIST_7 BOOST_REMOTE_CALL_ARGUMENT_LIST_6, A7 oA7
#define BOOST_REMOTE_CALL_ARGUMENT_LIST_8 BOOST_REMOTE_CALL_ARGUMENT_LIST_7, A8 oA8
#define BOOST_REMOTE_CALL_ARGUMENT_LIST_9 BOOST_REMOTE_CALL_ARGUMENT_LIST_8, A9 oA9
#define BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_0
#define BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_1 BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_0, oA1
#define BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_2 BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_1, oA2
#define BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_3 BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_2, oA3
#define BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_4 BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_3, oA4
#define BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_5 BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_4, oA5
#define BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_6 BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_5, oA6
#define BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_7 BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_6, oA7
#define BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_8 BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_7, oA8
#define BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_9 BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_8, oA9
#define BOOST_REMOTE_CALL_COMMA_0
#define BOOST_REMOTE_CALL_COMMA_1 ,
#define BOOST_REMOTE_CALL_COMMA_2 ,
#define BOOST_REMOTE_CALL_COMMA_3 ,
#define BOOST_REMOTE_CALL_COMMA_4 ,
#define BOOST_REMOTE_CALL_COMMA_5 ,
#define BOOST_REMOTE_CALL_COMMA_6 ,
#define BOOST_REMOTE_CALL_COMMA_7 ,
#define BOOST_REMOTE_CALL_COMMA_8 ,
#define BOOST_REMOTE_CALL_COMMA_9 ,
// this is the macro that ties it all together. From here, we generate all forms of
// dt_remote_call and st_remote_call.
#define BOOST_REMOTE_CALL(context, stack, n) \
template<class R BOOST_REMOTE_CALL_CLASS_LIST_ ## n> \
inline R context ## _remote_call(stack R (*pfnF)( \
BOOST_REMOTE_CALL_ARGUMENT_LIST_ ## n) \
BOOST_REMOTE_CALL_COMMA_ ## n \
BOOST_REMOTE_CALL_ARGUMENT_LIST_ ## n) \
{ \
using ::boost::detail::thread::singleton; \
using detail::remote_call_manager; \
function<R> oFunc(bind(pfnF BOOST_REMOTE_CALL_FUNCTION_ARGUMENT_LIST_ ## n)); \
remote_call_manager &rManager(singleton<remote_call_manager>::instance()); \
return(rManager.execute_at_ ## context(oFunc)); \
}
namespace boost {
namespace threads {
namespace mac {
BOOST_REMOTE_CALL(st, , 0)
BOOST_REMOTE_CALL(st, , 1)
BOOST_REMOTE_CALL(st, , 2)
BOOST_REMOTE_CALL(st, , 3)
BOOST_REMOTE_CALL(st, , 4)
BOOST_REMOTE_CALL(st, , 5)
BOOST_REMOTE_CALL(st, , 6)
BOOST_REMOTE_CALL(st, , 7)
BOOST_REMOTE_CALL(st, , 8)
BOOST_REMOTE_CALL(st, , 9)
BOOST_REMOTE_CALL(dt, , 0)
BOOST_REMOTE_CALL(dt, , 1)
BOOST_REMOTE_CALL(dt, , 2)
BOOST_REMOTE_CALL(dt, , 3)
BOOST_REMOTE_CALL(dt, , 4)
BOOST_REMOTE_CALL(dt, , 5)
BOOST_REMOTE_CALL(dt, , 6)
BOOST_REMOTE_CALL(dt, , 7)
BOOST_REMOTE_CALL(dt, , 8)
BOOST_REMOTE_CALL(dt, , 9)
BOOST_REMOTE_CALL(st, pascal, 0)
BOOST_REMOTE_CALL(st, pascal, 1)
BOOST_REMOTE_CALL(st, pascal, 2)
BOOST_REMOTE_CALL(st, pascal, 3)
BOOST_REMOTE_CALL(st, pascal, 4)
BOOST_REMOTE_CALL(st, pascal, 5)
BOOST_REMOTE_CALL(st, pascal, 6)
BOOST_REMOTE_CALL(st, pascal, 7)
BOOST_REMOTE_CALL(st, pascal, 8)
BOOST_REMOTE_CALL(st, pascal, 9)
BOOST_REMOTE_CALL(dt, pascal, 0)
BOOST_REMOTE_CALL(dt, pascal, 1)
BOOST_REMOTE_CALL(dt, pascal, 2)
BOOST_REMOTE_CALL(dt, pascal, 3)
BOOST_REMOTE_CALL(dt, pascal, 4)
BOOST_REMOTE_CALL(dt, pascal, 5)
BOOST_REMOTE_CALL(dt, pascal, 6)
BOOST_REMOTE_CALL(dt, pascal, 7)
BOOST_REMOTE_CALL(dt, pascal, 8)
BOOST_REMOTE_CALL(dt, pascal, 9)
} // namespace mac
} // namespace threads
} // namespace boost
#endif // BOOST_REMOTE_CALLS_MJM012402_HPP

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#include <DriverServices.h>
#include <Events.h>
#include <Multiprocessing.h>
#include <Threads.h>
#include <boost/bind.hpp>
#include <boost/function.hpp>
#include <boost/thread/detail/force_cast.hpp>
#include <limits>
#include "execution_context.hpp"
using boost::detail::thread::force_cast;
namespace boost {
namespace threads {
namespace mac {
namespace detail {
static OSStatus safe_wait(function<OSStatus, Duration> &rFunction, Duration lDuration);
// we call WNE to allow tasks that own the resource the blue is waiting on system
// task time, in case they are blocked on an ST remote call (or a memory allocation
// for that matter).
static void idle()
{
if(at_st())
{
EventRecord sEvent;
bool bEvent = WaitNextEvent(0U, &sEvent, 0UL, NULL);
}
}
OSStatus safe_wait_on_semaphore(MPSemaphoreID pSemaphoreID, Duration lDuration)
{
function<OSStatus, Duration> oWaitOnSemaphore;
oWaitOnSemaphore = bind(MPWaitOnSemaphore, pSemaphoreID, _1);
return(safe_wait(oWaitOnSemaphore, lDuration));
}
OSStatus safe_enter_critical_region(MPCriticalRegionID pCriticalRegionID, Duration lDuration, MPCriticalRegionID pCriticalRegionCriticalRegionID/* = kInvalidID*/)
{
if(pCriticalRegionCriticalRegionID != kInvalidID)
{
if(at_mp())
{
// enter the critical region's critical region
OSStatus lStatus = noErr;
AbsoluteTime sExpiration;
if(lDuration != kDurationImmediate && lDuration != kDurationForever)
{
sExpiration = AddDurationToAbsolute(lDuration, UpTime());
}
lStatus = MPEnterCriticalRegion(pCriticalRegionCriticalRegionID, lDuration);
assert(lStatus == noErr || lStatus == kMPTimeoutErr);
if(lStatus == noErr)
{
// calculate a new duration
if(lDuration != kDurationImmediate && lDuration != kDurationForever)
{
// check if we have any time left
AbsoluteTime sUpTime(UpTime());
if(force_cast<uint64_t>(sExpiration) > force_cast<uint64_t>(sUpTime))
{
// reset our duration to our remaining time
lDuration = AbsoluteDeltaToDuration(sExpiration, sUpTime);
}
else
{
// no time left
lDuration = kDurationImmediate;
}
}
// if we entered the critical region, exit it again
lStatus = MPExitCriticalRegion(pCriticalRegionCriticalRegionID);
assert(lStatus == noErr);
}
else
{
// otherwise, give up
return(lStatus);
}
}
else
{
// if we're at system task time, try to enter the critical region's critical
// region until we succeed. MP tasks will block on this until we let it go.
OSStatus lStatus;
do
{
lStatus = MPEnterCriticalRegion(pCriticalRegionCriticalRegionID, kDurationImmediate);
} while(lStatus == kMPTimeoutErr);
assert(lStatus == noErr);
}
}
// try to enter the critical region
function<OSStatus, Duration> oEnterCriticalRegion;
oEnterCriticalRegion = bind(MPEnterCriticalRegion, pCriticalRegionID, _1);
OSStatus lStatus = safe_wait(oEnterCriticalRegion, lDuration);
// if we entered the critical region's critical region to get the critical region,
// exit the critical region's critical region.
if(pCriticalRegionCriticalRegionID != kInvalidID && at_mp() == false)
{
lStatus = MPExitCriticalRegion(pCriticalRegionCriticalRegionID);
assert(lStatus == noErr);
}
return(lStatus);
}
OSStatus safe_wait_on_queue(MPQueueID pQueueID, void **pParam1, void **pParam2, void **pParam3, Duration lDuration)
{
function<OSStatus, Duration> oWaitOnQueue;
oWaitOnQueue = bind(MPWaitOnQueue, pQueueID, pParam1, pParam2, pParam3, _1);
return(safe_wait(oWaitOnQueue, lDuration));
}
OSStatus safe_delay_until(AbsoluteTime *pWakeUpTime)
{
if(execution_context() == k_eExecutionContextMPTask)
{
return(MPDelayUntil(pWakeUpTime));
}
else
{
uint64_t ullWakeUpTime = force_cast<uint64_t>(*pWakeUpTime);
while(force_cast<uint64_t>(UpTime()) < ullWakeUpTime)
{
idle();
}
return(noErr);
}
}
OSStatus safe_wait(function<OSStatus, Duration> &rFunction, Duration lDuration)
{
if(execution_context() == k_eExecutionContextMPTask)
{
return(rFunction(lDuration));
}
else
{
uint64_t ullExpiration = 0ULL;
// get the expiration time in UpTime units
if(lDuration == kDurationForever)
{
ullExpiration = (::std::numeric_limits<uint64_t>::max)();
}
else if(lDuration == kDurationImmediate)
{
ullExpiration = force_cast<uint64_t>(UpTime());
}
else
{
AbsoluteTime sExpiration = AddDurationToAbsolute(lDuration, UpTime());
ullExpiration = force_cast<uint64_t>(sExpiration);
}
OSStatus lStatus;
bool bExpired = false;
do
{
lStatus = rFunction(kDurationImmediate);
// mm - "if" #if 0'd out to allow task time to threads blocked on I/O
#if 0
if(lStatus == kMPTimeoutErr)
#endif
{
idle();
}
if(lDuration != kDurationForever)
{
bExpired = (force_cast<uint64_t>(UpTime()) < ullExpiration);
}
} while(lStatus == kMPTimeoutErr && bExpired == false);
return(lStatus);
}
}
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_SAFE_MJM012402_HPP
#define BOOST_SAFE_MJM012402_HPP
#include <Multiprocessing.h>
namespace boost {
namespace threads {
namespace mac {
namespace detail {
// these functions are used to wain in an execution context-independent manor. All of these
// functions are both MP- and ST-safe.
OSStatus safe_wait_on_semaphore(MPSemaphoreID pSemaphoreID, Duration lDuration);
OSStatus safe_enter_critical_region(MPCriticalRegionID pCriticalRegionID, Duration lDuration, MPCriticalRegionID pCriticalRegionCriticalRegionID = kInvalidID);
OSStatus safe_wait_on_queue(MPQueueID pQueueID, void **pParam1, void **pParam2, void **pParam3, Duration lDuration);
OSStatus safe_delay_until(AbsoluteTime *pWakeUpTime);
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost
#endif // BOOST_SAFE_MJM012402_HPP

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#include "scoped_critical_region.hpp"
#include "init.hpp"
#include <cassert>
namespace boost {
namespace threads {
namespace mac {
namespace detail {
scoped_critical_region::scoped_critical_region():
m_pCriticalRegionID(kInvalidID)
{
static bool bIgnored = thread_init();
OSStatus lStatus = MPCreateCriticalRegion(&m_pCriticalRegionID);
if(lStatus != noErr || m_pCriticalRegionID == kInvalidID)
throw(thread_resource_error());
}
scoped_critical_region::~scoped_critical_region()
{
OSStatus lStatus = MPDeleteCriticalRegion(m_pCriticalRegionID);
assert(lStatus == noErr);
}
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_SCOPED_CRITICAL_REGION_MJM012402_HPP
#define BOOST_SCOPED_CRITICAL_REGION_MJM012402_HPP
#include <boost/thread/exceptions.hpp>
#include <Multiprocessing.h>
namespace boost {
namespace threads {
namespace mac {
namespace detail {
// class scoped_critical_region probably needs a new name. Although the current name
// is accurate, it can be read to mean that a critical region is entered for the
// current scope. In reality, a critical region is _created_ for the current scope.
// This class is intended as a replacement for MPCriticalRegionID that will
// automatically create and dispose of itself.
class scoped_critical_region
{
public:
scoped_critical_region();
~scoped_critical_region();
public:
operator const MPCriticalRegionID &() const;
const MPCriticalRegionID &get() const;
private:
MPCriticalRegionID m_pCriticalRegionID;
};
// these are inlined for speed.
inline scoped_critical_region::operator const MPCriticalRegionID &() const
{ return(m_pCriticalRegionID); }
inline const MPCriticalRegionID &scoped_critical_region::get() const
{ return(m_pCriticalRegionID); }
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost
#endif // BOOST_SCOPED_CRITICAL_REGION_MJM012402_HPP

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@@ -1,85 +0,0 @@
// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#include "st_scheduler.hpp"
#include <cassert>
namespace boost {
namespace threads {
namespace mac {
namespace detail {
#if TARGET_CARBON
st_scheduler::st_scheduler():
m_uppTask(NULL),
m_pTimer(NULL)
{
m_uppTask = NewEventLoopTimerUPP(task_entry);
// TODO - throw on error
assert(m_uppTask != NULL);
}
st_scheduler::~st_scheduler()
{
DisposeEventLoopTimerUPP(m_uppTask);
m_uppTask = NULL;
}
void st_scheduler::start_polling()
{
assert(m_pTimer == NULL);
OSStatus lStatus = InstallEventLoopTimer(GetMainEventLoop(),
0 * kEventDurationSecond,
kEventDurationMillisecond,
m_uppTask,
this,
&m_pTimer);
// TODO - throw on error
assert(lStatus == noErr);
}
void st_scheduler::stop_polling()
{
assert(m_pTimer != NULL);
OSStatus lStatus = RemoveEventLoopTimer(m_pTimer);
assert(lStatus == noErr);
m_pTimer = NULL;
}
/*static*/ pascal void st_scheduler::task_entry(EventLoopTimerRef /*pTimer*/, void *pRefCon)
{
st_scheduler *pThis = reinterpret_cast<st_scheduler *>(pRefCon);
assert(pThis != NULL);
pThis->task();
}
void st_scheduler::task()
{
periodic_function();
}
#else
# error st_scheduler unimplemented!
#endif
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_ST_SCHEDULER_MJM012402_HPP
#define BOOST_ST_SCHEDULER_MJM012402_HPP
#include <CarbonEvents.h>
namespace boost {
namespace threads {
namespace mac {
namespace detail {
// class st_scheduler calls its pure-virtual periodic_function method periodically at
// system task time. This is generally 40Hz under Mac OS 9.
class st_scheduler
{
public:
st_scheduler();
virtual ~st_scheduler();
protected:
void start_polling();
void stop_polling();
private:
virtual void periodic_function() = 0;
#if TARGET_CARBON
// use event loop timers under Carbon
private:
static pascal void task_entry(EventLoopTimerRef pTimer, void *pRefCon);
void task();
private:
EventLoopTimerUPP m_uppTask;
EventLoopTimerRef m_pTimer;
#else
// this can be implemented using OT system tasks. This would be mostly a copy-and-
// paste of the dt_scheduler code, replacing DeferredTask with SystemTask and DT
// with ST.
# error st_scheduler unimplemented!
#endif
};
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost
#endif // BOOST_ST_SCHEDULER_MJM012402_HPP

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#include "thread_cleanup.hpp"
namespace boost {
namespace threads {
namespace mac {
namespace detail {
namespace {
TaskStorageIndex g_ulIndex(0UL);
} // anonymous namespace
void do_thread_startup()
{
if(g_ulIndex == 0UL)
{
OSStatus lStatus = MPAllocateTaskStorageIndex(&g_ulIndex);
assert(lStatus == noErr);
}
set_thread_cleanup_task(NULL);
}
void do_thread_cleanup()
{
void (*pfnTask)() = MPGetTaskValue(g_ulIndex)
}
void set_thread_cleanup_task(void (*pfnTask)())
{
lStatus = MPSetTaskValue(g_ulIndex, reinterpret_cast<TaskStorageValue>(pfnTask));
assert(lStatus == noErr);
}
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost

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// (C) Copyright Mac Murrett 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_THREAD_CLEANUP_MJM012402_HPP
#define BOOST_THREAD_CLEANUP_MJM012402_HPP
namespace boost {
namespace threads {
namespace mac {
namespace detail {
void do_thread_startup();
void do_thread_cleanup();
void set_thread_cleanup_task();
} // namespace detail
} // namespace mac
} // namespace threads
} // namespace boost
#endif // BOOST_THREAD_CLEANUP_MJM012402_HPP