+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file mutex.cpp
-** \brief Template File
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**
-** This package is free software; you can redistribute it and/or
-** modify it under the terms of the GNU General Public License as
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-** General Public License for more details.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "mutex.h"
-
-#ifdef HAVE_LIBPTHREAD
-#define USING_PTHREADS 1
-#else
-#ifdef _WIN32
-#define USING_WIN32_THREADS 1
-#endif
-#endif
-
-#ifdef USING_WIN32_THREADS
-#include <windows.h>
-#endif
-
-#ifdef USING_PTHREADS
-#include <pthread.h>
-#endif
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-//using namespace std;
-//using namespace etl;
-using namespace synfig;
-
-/* === M A C R O S ========================================================= */
-
-/* === G L O B A L S ======================================================= */
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-
-
-
-
-
-bool
-Mutex::is_locked()
-{
- if(try_lock())
- {
- unlock();
- return false;
- }
- return true;
-}
-
-void
-RecMutex::unlock_all()
-{
- while(is_locked()) unlock();
-}
-
-#ifdef USING_PTHREADS
-Mutex::Mutex()
-{
- pthread_mutex_t*const mtx_ptr(new pthread_mutex_t);
-
- pthread_mutexattr_t attr;
- pthread_mutexattr_init(&attr);
-
- //#ifdef PTHREAD_PRIO_INHERIT
- //pthread_mutexattr_setprioceiling(&attr,PTHREAD_PRIO_INHERIT);
- //#endif
-
- //#ifdef PTHREAD_MUTEX_RECURSIVE
- //pthread_mutexattr_settype(&attr,PTHREAD_MUTEX_RECURSIVE);
- //#endif
-
- pthread_mutex_init(mtx_ptr,&attr);
- pthread_mutexattr_destroy(&attr);
-
- blackbox=mtx_ptr;
-}
-
-Mutex::~Mutex()
-{
- pthread_mutex_t*const mtx_ptr(static_cast<pthread_mutex_t*>(blackbox));
- pthread_mutex_destroy(mtx_ptr);
- delete mtx_ptr;
-}
-
-void
-Mutex::lock()
-{
- pthread_mutex_t*const mtx_ptr(static_cast<pthread_mutex_t*>(blackbox));
- pthread_mutex_lock(mtx_ptr);
-}
-
-void
-Mutex::unlock()
-{
- pthread_mutex_t*const mtx_ptr(static_cast<pthread_mutex_t*>(blackbox));
- pthread_mutex_unlock(mtx_ptr);
-}
-
-bool
-Mutex::try_lock()
-{
- pthread_mutex_t*const mtx_ptr(static_cast<pthread_mutex_t*>(blackbox));
- return !(bool) pthread_mutex_trylock(mtx_ptr);
-}
-
-
-RecMutex::RecMutex()
-{
- pthread_mutex_t*const mtx_ptr(static_cast<pthread_mutex_t*>(blackbox));
- pthread_mutexattr_t attr;
-
- // Backtrack and get rid of the non-recursive mutex
- pthread_mutex_destroy(mtx_ptr);
-
- pthread_mutexattr_init(&attr);
-
- pthread_mutexattr_settype(&attr,PTHREAD_MUTEX_RECURSIVE);
-
- pthread_mutex_init(mtx_ptr,&attr);
- pthread_mutexattr_destroy(&attr);
-}
-
-
-
-RWLock::RWLock()
-{
- pthread_rwlock_t*const rwlock_ptr(new pthread_rwlock_t);
-
- pthread_rwlock_init(rwlock_ptr, NULL);
-
- blackbox=rwlock_ptr;
-}
-
-RWLock::~RWLock()
-{
- pthread_rwlock_t*const rwlock_ptr(static_cast<pthread_rwlock_t*>(blackbox));
-
- pthread_rwlock_destroy(rwlock_ptr);
-
- delete rwlock_ptr;
-}
-
-void
-RWLock::reader_lock()
-{
- pthread_rwlock_t*const rwlock_ptr(static_cast<pthread_rwlock_t*>(blackbox));
-
- pthread_rwlock_rdlock(rwlock_ptr);
-}
-
-void
-RWLock::reader_unlock()
-{
- pthread_rwlock_t*const rwlock_ptr(static_cast<pthread_rwlock_t*>(blackbox));
-
- pthread_rwlock_unlock(rwlock_ptr);
-}
-
-bool
-RWLock::reader_trylock()
-{
- pthread_rwlock_t*const rwlock_ptr(static_cast<pthread_rwlock_t*>(blackbox));
-
- return !pthread_rwlock_tryrdlock(rwlock_ptr);
-}
-
-void
-RWLock::writer_lock()
-{
- pthread_rwlock_t*const rwlock_ptr(static_cast<pthread_rwlock_t*>(blackbox));
-
- pthread_rwlock_wrlock(rwlock_ptr);
-}
-
-void
-RWLock::writer_unlock()
-{
- pthread_rwlock_t*const rwlock_ptr(static_cast<pthread_rwlock_t*>(blackbox));
-
- pthread_rwlock_unlock(rwlock_ptr);
-}
-
-bool
-RWLock::writer_trylock()
-{
- pthread_rwlock_t*const rwlock_ptr(static_cast<pthread_rwlock_t*>(blackbox));
-
- return !pthread_rwlock_trywrlock(rwlock_ptr);
-}
-
-#endif
-
-#ifdef USING_WIN32_THREADS
-Mutex::Mutex()
-{
- HANDLE& mtx(*reinterpret_cast<HANDLE*>(&blackbox));
- mtx=CreateMutex(NULL, FALSE, NULL);
-}
-
-Mutex::~Mutex()
-{
- HANDLE mtx(reinterpret_cast<HANDLE>(blackbox));
- CloseHandle(mtx);
-}
-
-void
-Mutex::lock()
-{
- HANDLE mtx(reinterpret_cast<HANDLE>(blackbox));
- WaitForSingleObject(mtx, INFINITE);
-}
-
-void
-Mutex::unlock()
-{
- HANDLE mtx(reinterpret_cast<HANDLE>(blackbox));
- ReleaseMutex(mtx);
-}
-
-bool
-Mutex::try_lock()
-{
- HANDLE mtx(reinterpret_cast<HANDLE>(blackbox));
- return WaitForSingleObject(mtx, 0)==WAIT_FAILED;
-}
-
-
-RecMutex::RecMutex()
-{
- // Win32 mutexes are recursive by default.
-}
-
-
-RWLock::RWLock()
-{
-}
-
-RWLock::~RWLock()
-{
-}
-
-void
-RWLock::reader_lock()
-{
-}
-
-void
-RWLock::reader_unlock()
-{
-}
-
-bool
-RWLock::reader_trylock()
-{
-}
-
-void
-RWLock::writer_lock()
-{
-}
-
-void
-RWLock::writer_unlock()
-{
-}
-
-bool
-RWLock::writer_trylock()
-{
-}
-
-#endif
projects / synfig.git / blobdiff