mirror of
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113 lines
2.7 KiB
C
113 lines
2.7 KiB
C
/* Copyright (c) 2000, 2014, Oracle and/or its affiliates.
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Copyright (c) 2011, 2016, MariaDB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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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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#if defined(_WIN32)
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#undef SAFE_MUTEX /* Avoid safe_mutex redefinitions */
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#include "mysys_priv.h"
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#include <m_string.h>
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#include <process.h>
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#include <sys/timeb.h>
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/**
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Convert abstime to milliseconds
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*/
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static DWORD get_milliseconds(const struct timespec *abstime)
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{
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struct timespec current_time;
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long long ms;
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if (abstime == NULL)
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return INFINITE;
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set_timespec_nsec(current_time, 0);
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ms= (abstime->tv_sec - current_time.tv_sec)*1000LL +
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(abstime->tv_nsec - current_time.tv_nsec)/1000000LL;
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if(ms < 0 )
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ms= 0;
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if(ms > UINT_MAX)
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ms= INFINITE;
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return (DWORD)ms;
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}
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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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InitializeConditionVariable(cond);
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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 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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WakeAllConditionVariable(cond);
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return 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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WakeConditionVariable(cond);
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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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const struct timespec *abstime)
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{
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DWORD timeout= get_milliseconds(abstime);
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if (!SleepConditionVariableCS(cond, mutex, timeout))
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return ETIMEDOUT;
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return 0;
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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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return pthread_cond_timedwait(cond, mutex, NULL);
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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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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_destroy(pthread_attr_t *connect_att)
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{
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bzero((uchar*) connect_att,sizeof(*connect_att));
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return 0;
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}
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#endif /* __WIN__ */
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