148 lines
4 KiB
C
Executable file
148 lines
4 KiB
C
Executable file
/*
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* This file is a part of Pcompress, a chunked parallel multi-
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* algorithm lossless compression and decompression program.
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*
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* Copyright (C) 2012-2013 Moinak Ghosh. All rights reserved.
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* Use is subject to license terms.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program.
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* If not, see <http://www.gnu.org/licenses/>.
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*
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* moinakg@belenix.org, http://moinakg.wordpress.com/
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*
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*/
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/* Threads.h -- multithreading library
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2008-11-22 : Igor Pavlov : Public domain */
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#ifndef __7Z_THRESDS_H
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#define __7Z_THRESDS_H
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#include "Types.h"
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#include "windows.h"
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#ifdef ENV_BEOS
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#include <kernel/OS.h>
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#define MAX_THREAD 256
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#else
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#include <pthread.h>
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#endif
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/* #define DEBUG_SYNCHRO 1 */
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typedef struct _CThread
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{
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#ifdef ENV_BEOS
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thread_id _tid;
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#else
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pthread_t _tid;
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#endif
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int _created;
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} CThread;
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#define Thread_Construct(thread) (thread)->_created = 0
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#define Thread_WasCreated(thread) ((thread)->_created != 0)
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typedef unsigned THREAD_FUNC_RET_TYPE;
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#define THREAD_FUNC_CALL_TYPE MY_STD_CALL
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#define THREAD_FUNC_DECL THREAD_FUNC_RET_TYPE THREAD_FUNC_CALL_TYPE
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typedef THREAD_FUNC_RET_TYPE (THREAD_FUNC_CALL_TYPE * THREAD_FUNC_TYPE)(void *);
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WRes Thread_Create(CThread *thread, THREAD_FUNC_TYPE startAddress, LPVOID parameter);
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WRes Thread_Wait(CThread *thread);
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WRes Thread_Close(CThread *thread);
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typedef struct _CEvent
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{
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int _created;
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int _manual_reset;
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int _state;
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#ifdef ENV_BEOS
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thread_id _waiting[MAX_THREAD];
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int _index_waiting;
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sem_id _sem;
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#else
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pthread_mutex_t _mutex;
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pthread_cond_t _cond;
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#endif
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} CEvent;
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typedef CEvent CAutoResetEvent;
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typedef CEvent CManualResetEvent;
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#define Event_Construct(event) (event)->_created = 0
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#define Event_IsCreated(event) ((event)->_created)
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WRes ManualResetEvent_Create(CManualResetEvent *event, int initialSignaled);
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WRes ManualResetEvent_CreateNotSignaled(CManualResetEvent *event);
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WRes AutoResetEvent_Create(CAutoResetEvent *event, int initialSignaled);
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WRes AutoResetEvent_CreateNotSignaled(CAutoResetEvent *event);
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WRes Event_Set(CEvent *event);
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WRes Event_Reset(CEvent *event);
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WRes Event_Wait(CEvent *event);
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WRes Event_Close(CEvent *event);
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typedef struct _CSemaphore
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{
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int _created;
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UInt32 _count;
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UInt32 _maxCount;
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#ifdef ENV_BEOS
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thread_id _waiting[MAX_THREAD];
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int _index_waiting;
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sem_id _sem;
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#else
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pthread_mutex_t _mutex;
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pthread_cond_t _cond;
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#endif
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} CSemaphore;
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#define Semaphore_Construct(p) (p)->_created = 0
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WRes Semaphore_Create(CSemaphore *p, UInt32 initiallyCount, UInt32 maxCount);
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WRes Semaphore_ReleaseN(CSemaphore *p, UInt32 num);
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#define Semaphore_Release1(p) Semaphore_ReleaseN(p, 1)
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WRes Semaphore_Wait(CSemaphore *p);
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WRes Semaphore_Close(CSemaphore *p);
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typedef struct {
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#ifdef ENV_BEOS
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sem_id _sem;
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#else
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pthread_mutex_t _mutex;
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#endif
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} CCriticalSection;
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WRes CriticalSection_Init(CCriticalSection *p);
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#ifdef ENV_BEOS
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#define CriticalSection_Delete(p) delete_sem((p)->_sem)
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#define CriticalSection_Enter(p) acquire_sem((p)->_sem)
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#define CriticalSection_Leave(p) release_sem((p)->_sem)
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#else
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#ifdef DEBUG_SYNCHRO
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void CriticalSection_Delete(CCriticalSection *);
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void CriticalSection_Enter(CCriticalSection *);
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void CriticalSection_Leave(CCriticalSection *);
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#else
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#define CriticalSection_Delete(p) pthread_mutex_destroy(&((p)->_mutex))
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#define CriticalSection_Enter(p) pthread_mutex_lock(&((p)->_mutex))
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#define CriticalSection_Leave(p) pthread_mutex_unlock(&((p)->_mutex))
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#endif
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#endif
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#endif
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