mutexImpl.h

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/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file mutexImpl.h
 * @author drose
 * @date 2002-08-08
 */
 
#ifndef MUTEXIMPL_H
#define MUTEXIMPL_H
 
#include "dtoolbase.h"
#include "selectThreadImpl.h"
 
#if defined(THREAD_DUMMY_IMPL)||defined(THREAD_SIMPLE_IMPL)
 
#include "mutexDummyImpl.h"
typedef MutexDummyImpl MutexImpl;
typedef MutexDummyImpl ReMutexImpl;
#define HAVE_REMUTEXIMPL 1
 
#elif defined(MUTEX_SPINLOCK)
 
#include "mutexSpinlockImpl.h"
typedef MutexSpinlockImpl MutexImpl;
#undef HAVE_REMUTEXIMPL
 
#elif defined(THREAD_WIN32_IMPL)
 
#include "mutexWin32Impl.h"
typedef MutexWin32Impl MutexImpl;
typedef MutexWin32Impl ReMutexImpl;  // Win32 Mutexes are always reentrant.
#define HAVE_REMUTEXIMPL 1
 
#elif defined(THREAD_POSIX_IMPL)
 
#include "mutexPosixImpl.h"
typedef MutexPosixImpl MutexImpl;
typedef ReMutexPosixImpl ReMutexImpl;
#define HAVE_REMUTEXIMPL 1
 
#endif
 
// Also define what a true OS-provided lock will be, even if we don't have
// threading enabled in the build.  Sometimes we need to interface with an
// external program or something that wants real locks.
#if defined(WIN32_VC) || (defined(_WIN32) && !defined(HAVE_POSIX_THREADS))
#include "mutexWin32Impl.h"
typedef MutexWin32Impl TrueMutexImpl;
 
#elif defined(HAVE_POSIX_THREADS)
#include "mutexPosixImpl.h"
typedef MutexPosixImpl TrueMutexImpl;
 
#else
// No true threads, sorry.  Better not try to use 'em.
 
#endif
 
#endif