changed directory structure as required by modularized-boost

2026-02-02 08:52:07 +00:00 · 2012-12-09 15:22:59 +01:00
parent de1188faa2
commit 81e62e8962
77 changed files with 0 additions and 0 deletions
--- a/src/mutex.cpp
+++ b/src/mutex.cpp
@@ -0,0 +1,96 @@
+
+//          Copyright Oliver Kowalke 2009.
+// Distributed under 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)
+
+#define BOOST_FIBERS_SOURCE
+
+#include <boost/fiber/mutex.hpp>
+
+#include <boost/assert.hpp>
+
+#include <boost/fiber/detail/scheduler.hpp>
+#include <boost/fiber/operations.hpp>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+namespace fibers {
+
+mutex::mutex( bool checked) :
+	state_( UNLOCKED),
+    owner_(),
+    waiting_(),
+    checked_( checked)
+{}
+
+void
+mutex::lock()
+{
+    while ( UNLOCKED != state_)
+    {
+        if ( this_fiber::is_fiberized() )
+        {
+            waiting_.push_back(
+                    detail::scheduler::instance().active() );
+            detail::scheduler::instance().wait();
+        }
+        else
+            detail::scheduler::instance().run();
+    }
+    state_ = LOCKED;
+    if ( this_fiber::is_fiberized() )
+        owner_ = detail::scheduler::instance().active()->get_id();
+    else
+        owner_ = detail::fiber_base::id();
+}
+
+bool
+mutex::try_lock()
+{
+    if ( LOCKED == state_) return false;
+    state_ = LOCKED;
+    if ( this_fiber::is_fiberized() )
+        owner_ = detail::scheduler::instance().active()->get_id();
+    else
+        owner_ = detail::fiber_base::id();
+    return true;
+}
+
+void
+mutex::unlock()
+{
+    if ( checked_)
+    {
+        if ( this_fiber::is_fiberized() )
+        {
+            if ( detail::scheduler::instance().active()->get_id() != owner_)
+                std::abort();
+        }
+        else if ( detail::fiber_base::id() != owner_)
+                std::abort();
+    }
+
+	if ( ! waiting_.empty() )
+    {
+        detail::fiber_base::ptr_t f;
+        do
+        {
+            f.swap( waiting_.front() );
+            waiting_.pop_front();
+        } while ( f->is_complete() );
+        if ( f)
+            detail::scheduler::instance().notify( f);
+    }
+	state_ = UNLOCKED;
+    owner_ = detail::fiber_base::id();
+}
+
+}}
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif