Imported MaNGOS revision 6767 from http://mangos.svn.sourceforge.net/svnroot/mangos/trunk/

dep/ACE_wrappers/ace/Condition_Recursive_Thread_Mutex.cpp

@@ -0,0 +1,129 @@
+// -*- C++ -*-
+
+/**
+ * @file Condition_Recursive_Thread_Mutex.cpp
+ *
+ * $Id: Condition_Recursive_Thread_Mutex.cpp 80826 2008-03-04 14:51:23Z wotte $
+ *
+ * Originally in Synch.cpp
+ *
+ * @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
+ */
+
+#include "ace/Condition_Recursive_Thread_Mutex.h"
+
+#if defined (ACE_HAS_THREADS)
+
+#if defined (ACE_HAS_DUMP)
+#  include "ace/Log_Msg.h"
+#endif /* ACE_HAS_DUMP */
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+int
+ACE_Condition<ACE_Recursive_Thread_Mutex>::remove (void)
+{
+  return ACE_OS::cond_destroy (&this->cond_);
+}
+
+void
+ACE_Condition<ACE_Recursive_Thread_Mutex>::dump (void) const
+{
+#if defined (ACE_HAS_DUMP)
+// ACE_TRACE ("ACE_Condition<MUTEX>::dump");
+
+  ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
+  // No dump method for ACE_cond_t even in emulated mode.
+  // cond_.dump ();
+  this->mutex_.dump ();
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("\n")));
+  ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
+#endif /* ACE_HAS_DUMP */
+}
+
+ACE_Condition<ACE_Recursive_Thread_Mutex>::~ACE_Condition (void)
+{
+  this->remove ();
+}
+
+ACE_Condition<ACE_Recursive_Thread_Mutex>::ACE_Condition (ACE_Recursive_Thread_Mutex &m)
+  : mutex_ (m)
+{
+  ACE_OS::cond_init (&this->cond_);
+}
+
+int
+ACE_Condition<ACE_Recursive_Thread_Mutex>::wait (const ACE_Time_Value *abstime)
+{
+  return this->wait (this->mutex_, abstime);
+}
+
+int
+ACE_Condition<ACE_Recursive_Thread_Mutex>::wait (ACE_Recursive_Thread_Mutex &mutex,
+                                                 const ACE_Time_Value *abstime)
+{
+  ACE_recursive_mutex_state mutex_state_holder;
+  ACE_recursive_thread_mutex_t &recursive_mutex = mutex.mutex ();
+
+  if (ACE_OS::recursive_mutex_cond_unlock (&recursive_mutex,
+                                           mutex_state_holder) == -1)
+    return -1;
+
+  // We wait on the condition, specifying the nesting mutex. For platforms
+  // with ACE_HAS_RECURSIVE_MUTEXES, this is the recursive mutex itself,
+  // and is the same as recursive_mutex, above. The caller should have been
+  // holding the lock on entry to this method, and it is still held.
+  // For other platforms, this is the nesting mutex that guards the
+  // ACE_recursive_mutex_t internals, and recursive_mutex_cond_unlock()
+  // returned with the lock held, but waiters primed and waiting to be
+  // released. At cond_wait below, the mutex will be released.
+  // On return, it will be reacquired.
+  const int result = abstime == 0
+    ? ACE_OS::cond_wait (&this->cond_,
+                         &mutex.get_nesting_mutex ())
+    : ACE_OS::cond_timedwait (&this->cond_,
+                              &mutex.get_nesting_mutex (),
+                              const_cast <ACE_Time_Value *> (abstime));
+  // We are holding the mutex, whether the wait succeeded or failed.
+  // Stash errno (in case it failed) and then we need to reset the
+  // recursive mutex state to what it was on entry to this method.
+  // Resetting it may require a wait for another thread to release
+  // the ACE_recursive_thread_mutex_t if this is a platform without
+  // ACE_HAS_RECURSIVE_MUTEXES, and recursive_mutex_cond_relock() takes
+  // care of that.
+  {
+    ACE_Errno_Guard error (errno);
+    ACE_OS::recursive_mutex_cond_relock (&recursive_mutex,
+                                         mutex_state_holder);
+  }
+
+  return result;
+}
+
+int
+ACE_Condition<ACE_Recursive_Thread_Mutex>::signal (void)
+{
+  return ACE_OS::cond_signal (&this->cond_);
+}
+
+int
+ACE_Condition<ACE_Recursive_Thread_Mutex>::broadcast (void)
+{
+  return ACE_OS::cond_broadcast (&this->cond_);
+}
+
+ACE_Recursive_Thread_Mutex &
+ACE_Condition<ACE_Recursive_Thread_Mutex>::mutex (void)
+{
+  return this->mutex_;
+}
+
+ACE_Condition_Recursive_Thread_Mutex::ACE_Condition_Recursive_Thread_Mutex (
+  ACE_Recursive_Thread_Mutex &m) :
+    ACE_Condition<ACE_Recursive_Thread_Mutex> (m)
+{
+}
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#endif /* ACE_HAS_THREADS */