p7zip-rar/C/Threads.h
2017-10-11 12:40:22 +02:00

124 lines
3.0 KiB
C

/* Threads.h -- multithreading library
2008-11-22 : Igor Pavlov : Public domain */
#ifndef __7Z_THRESDS_H
#define __7Z_THRESDS_H
#include "7zTypes.h"
#include "windows.h"
#ifdef ENV_BEOS
#include <kernel/OS.h>
#define MAX_THREAD 256
#else
#include <pthread.h>
#endif
/* #define DEBUG_SYNCHRO 1 */
typedef struct _CThread
{
#ifdef ENV_BEOS
thread_id _tid;
#else
pthread_t _tid;
#endif
int _created;
} CThread;
#define Thread_Construct(thread) (thread)->_created = 0
#define Thread_WasCreated(thread) ((thread)->_created != 0)
typedef unsigned THREAD_FUNC_RET_TYPE;
#define THREAD_FUNC_CALL_TYPE MY_STD_CALL
#define THREAD_FUNC_DECL THREAD_FUNC_RET_TYPE THREAD_FUNC_CALL_TYPE
typedef THREAD_FUNC_RET_TYPE (THREAD_FUNC_CALL_TYPE * THREAD_FUNC_TYPE)(void *);
WRes Thread_Create(CThread *thread, THREAD_FUNC_TYPE startAddress, LPVOID parameter);
WRes Thread_Wait(CThread *thread);
WRes Thread_Close(CThread *thread);
typedef struct _CEvent
{
int _created;
int _manual_reset;
int _state;
#ifdef ENV_BEOS
thread_id _waiting[MAX_THREAD];
int _index_waiting;
sem_id _sem;
#else
pthread_mutex_t _mutex;
pthread_cond_t _cond;
#endif
} CEvent;
typedef CEvent CAutoResetEvent;
typedef CEvent CManualResetEvent;
#define Event_Construct(event) (event)->_created = 0
#define Event_IsCreated(event) ((event)->_created)
WRes ManualResetEvent_Create(CManualResetEvent *event, int initialSignaled);
WRes ManualResetEvent_CreateNotSignaled(CManualResetEvent *event);
WRes AutoResetEvent_Create(CAutoResetEvent *event, int initialSignaled);
WRes AutoResetEvent_CreateNotSignaled(CAutoResetEvent *event);
WRes Event_Set(CEvent *event);
WRes Event_Reset(CEvent *event);
WRes Event_Wait(CEvent *event);
WRes Event_Close(CEvent *event);
typedef struct _CSemaphore
{
int _created;
UInt32 _count;
UInt32 _maxCount;
#ifdef ENV_BEOS
thread_id _waiting[MAX_THREAD];
int _index_waiting;
sem_id _sem;
#else
pthread_mutex_t _mutex;
pthread_cond_t _cond;
#endif
} CSemaphore;
#define Semaphore_Construct(p) (p)->_created = 0
WRes Semaphore_Create(CSemaphore *p, UInt32 initiallyCount, UInt32 maxCount);
WRes Semaphore_ReleaseN(CSemaphore *p, UInt32 num);
#define Semaphore_Release1(p) Semaphore_ReleaseN(p, 1)
WRes Semaphore_Wait(CSemaphore *p);
WRes Semaphore_Close(CSemaphore *p);
typedef struct {
#ifdef ENV_BEOS
sem_id _sem;
#else
pthread_mutex_t _mutex;
#endif
} CCriticalSection;
WRes CriticalSection_Init(CCriticalSection *p);
#ifdef ENV_BEOS
#define CriticalSection_Delete(p) delete_sem((p)->_sem)
#define CriticalSection_Enter(p) acquire_sem((p)->_sem)
#define CriticalSection_Leave(p) release_sem((p)->_sem)
#else
#ifdef DEBUG_SYNCHRO
void CriticalSection_Delete(CCriticalSection *);
void CriticalSection_Enter(CCriticalSection *);
void CriticalSection_Leave(CCriticalSection *);
#else
#define CriticalSection_Delete(p) pthread_mutex_destroy(&((p)->_mutex))
#define CriticalSection_Enter(p) pthread_mutex_lock(&((p)->_mutex))
#define CriticalSection_Leave(p) pthread_mutex_unlock(&((p)->_mutex))
#endif
#endif
#endif