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https://github.com/php/php-src.git
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129 lines
3.2 KiB
C
129 lines
3.2 KiB
C
/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
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This file is public domain and comes with NO WARRANTY of any kind */
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/*****************************************************************************
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** The following is a simple implementation of posix conditions
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*****************************************************************************/
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#undef SAFE_MUTEX /* Avoid safe_mutex redefinitions */
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#include "mysys_priv.h"
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#if defined(THREAD) && defined(__WIN__)
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#include <m_string.h>
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#undef getpid
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#include <process.h>
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#include <sys/timeb.h>
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int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr)
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{
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cond->waiting=0;
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cond->semaphore=CreateSemaphore(NULL,0,0x7FFFFFFF,NullS);
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if (!cond->semaphore)
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return ENOMEM;
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return 0;
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}
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int pthread_cond_destroy(pthread_cond_t *cond)
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{
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return CloseHandle(cond->semaphore) ? 0 : EINVAL;
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}
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int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
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{
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InterlockedIncrement(&cond->waiting);
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LeaveCriticalSection(mutex);
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WaitForSingleObject(cond->semaphore,INFINITE);
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InterlockedDecrement(&cond->waiting);
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EnterCriticalSection(mutex);
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return 0 ;
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}
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int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
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struct timespec *abstime)
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{
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struct _timeb curtime;
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int result;
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long timeout;
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_ftime(&curtime);
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timeout= ((long) (abstime->tv_sec - curtime.time)*1000L +
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(long)((abstime->tv_nsec/1000) - curtime.millitm)/1000L);
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if (timeout < 0) /* Some safety */
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timeout = 0L;
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InterlockedIncrement(&cond->waiting);
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LeaveCriticalSection(mutex);
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result=WaitForSingleObject(cond->semaphore,timeout);
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InterlockedDecrement(&cond->waiting);
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EnterCriticalSection(mutex);
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return result == WAIT_TIMEOUT ? ETIMEDOUT : 0;
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}
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int pthread_cond_signal(pthread_cond_t *cond)
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{
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long prev_count;
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if (cond->waiting)
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ReleaseSemaphore(cond->semaphore,1,&prev_count);
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return 0;
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}
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int pthread_cond_broadcast(pthread_cond_t *cond)
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{
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long prev_count;
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if (cond->waiting)
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ReleaseSemaphore(cond->semaphore,cond->waiting,&prev_count);
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return 0 ;
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}
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int pthread_attr_init(pthread_attr_t *connect_att)
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{
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connect_att->dwStackSize = 0;
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connect_att->dwCreatingFlag = 0;
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connect_att->priority = 0;
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return 0;
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}
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int pthread_attr_setstacksize(pthread_attr_t *connect_att,DWORD stack)
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{
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connect_att->dwStackSize=stack;
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return 0;
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}
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int pthread_attr_setprio(pthread_attr_t *connect_att,int priority)
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{
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connect_att->priority=priority;
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return 0;
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}
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int pthread_attr_destroy(pthread_attr_t *connect_att)
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{
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bzero((gptr) connect_att,sizeof(*connect_att));
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return 0;
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}
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/****************************************************************************
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** Fix localtime_r() to be a bit safer
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****************************************************************************/
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struct tm *localtime_r(const time_t *timep,struct tm *tmp)
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{
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if (*timep == (time_t) -1) /* This will crash win32 */
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{
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bzero(tmp,sizeof(*tmp));
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}
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else
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{
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struct tm *res=localtime(timep);
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if (!res) /* Wrong date */
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{
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bzero(tmp,sizeof(*tmp)); /* Keep things safe */
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return 0;
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}
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*tmp= *res;
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}
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return tmp;
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}
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#endif /* __WIN__ */
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