pcsx2/plugins/GSdx/GSThread.h

155 lines
3.2 KiB
C++

/*
* Copyright (C) 2007-2009 Gabest
* http://www.gabest.org
*
* This Program 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, or (at your option)
* any later version.
*
* This Program 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.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
#ifdef _WINDOWS
class GSThread
{
DWORD m_ThreadId;
HANDLE m_hThread;
static DWORD WINAPI StaticThreadProc(void* lpParam);
protected:
virtual void ThreadProc() = 0;
void CreateThread();
void CloseThread();
public:
GSThread();
virtual ~GSThread();
};
class GSCritSec
{
CRITICAL_SECTION m_cs;
public:
GSCritSec() {InitializeCriticalSection(&m_cs);}
~GSCritSec() {DeleteCriticalSection(&m_cs);}
void Lock() {EnterCriticalSection(&m_cs);}
bool TryLock() {return TryEnterCriticalSection(&m_cs) == TRUE;}
void Unlock() {LeaveCriticalSection(&m_cs);}
};
class GSAutoResetEvent
{
protected:
HANDLE m_hEvent;
public:
GSAutoResetEvent() {m_hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);}
~GSAutoResetEvent() {CloseHandle(m_hEvent);}
void Set() {SetEvent(m_hEvent);}
bool Wait() {return WaitForSingleObject(m_hEvent, INFINITE) == WAIT_OBJECT_0;}
};
/*
class GSAutoResetEvent
{
protected:
long m_sync;
public:
GSAutoResetEvent() {m_sync = 0;}
~GSAutoResetEvent() {}
void Set() {_interlockedbittestandset(&m_sync, 0);}
bool Wait() {while(!_interlockedbittestandreset(&m_sync, 0)) _mm_pause(); return true;}
};
*/
#else
#include <pthread.h>
#include <semaphore.h>
class GSThread
{
pthread_attr_t m_thread_attr;
pthread_t m_thread;
static void* StaticThreadProc(void* param);
protected:
virtual void ThreadProc() = 0;
void CreateThread();
void CloseThread();
public:
GSThread();
virtual ~GSThread();
};
class GSCritSec
{
pthread_mutexattr_t m_mutex_attr;
pthread_mutex_t m_mutex;
public:
GSCritSec()
{
pthread_mutexattr_init(&m_mutex_attr);
pthread_mutexattr_settype(&m_mutex_attr, PTHREAD_MUTEX_RECURSIVE_NP);
pthread_mutex_init(&m_mutex, &m_mutex_attr);
}
~GSCritSec()
{
pthread_mutex_destroy(&m_mutex);
pthread_mutexattr_destroy(&m_mutex_attr);
}
void Lock() {pthread_mutex_lock(&m_mutex);}
bool TryLock() {return pthread_mutex_trylock(&m_mutex) == 0;}
void Unlock() {pthread_mutex_unlock(&m_mutex);}
};
class GSAutoResetEvent
{
protected:
sem_t m_sem;
public:
GSAutoResetEvent() {sem_init(&m_sem, 0, 0);}
~GSAutoResetEvent() {sem_destroy(&m_sem);}
void Set() {sem_post(&m_sem);}
bool Wait() {return sem_wait(&m_sem) == 0;}
};
#endif
class GSAutoLock
{
protected:
GSCritSec* m_cs;
public:
GSAutoLock(GSCritSec* cs) {m_cs = cs; m_cs->Lock();}
~GSAutoLock() {m_cs->Unlock();}
};