Panda3D

conditionVarPosixImpl.h

00001 // Filename: conditionVarPosixImpl.h
00002 // Created by:  drose (10Feb06)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef CONDITIONVARPOSIXIMPL_H
00016 #define CONDITIONVARPOSIXIMPL_H
00017 
00018 #include "pandabase.h"
00019 #include "selectThreadImpl.h"
00020 
00021 #ifdef HAVE_POSIX_THREADS
00022 
00023 #include "mutexPosixImpl.h"
00024 #include "pnotify.h"
00025 #include "config_pipeline.h"
00026 
00027 #include <pthread.h>
00028 
00029 class MutexPosixImpl;
00030 
00031 ////////////////////////////////////////////////////////////////////
00032 //       Class : ConditionVarPosixImpl
00033 // Description : Uses Posix threads to implement a conditionVar.
00034 ////////////////////////////////////////////////////////////////////
00035 class EXPCL_PANDA_PIPELINE ConditionVarPosixImpl {
00036 public:
00037   INLINE ConditionVarPosixImpl(MutexPosixImpl &mutex);
00038   INLINE ~ConditionVarPosixImpl();
00039 
00040   INLINE void wait();
00041   void wait(double timeout);
00042   INLINE void notify();
00043   INLINE void notify_all();
00044 
00045 private:
00046   MutexPosixImpl &_mutex;
00047   pthread_cond_t _cvar;
00048 };
00049 
00050 #include "conditionVarPosixImpl.I"
00051 
00052 #endif  // HAVE_POSIX_THREADS
00053 
00054 #endif
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