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#include "Thread.h"
#include "Timespec.h"
#include <stdlib.h>
#include <errno.h>
BH_Condition *BH_ConditionNew(void)
{
BH_Condition *condition;
/* Allocate space for mutex and initialize it */
condition = malloc(sizeof(BH_Condition));
if (condition && pthread_cond_init(&condition->handle, NULL))
{
free(condition);
return NULL;
}
return condition;
}
void BH_ConditionFree(BH_Condition *condition)
{
pthread_cond_destroy(&condition->handle);
free(condition);
}
int BH_ConditionWait(BH_Condition *condition,
BH_Mutex *mutex)
{
if (pthread_cond_wait(&condition->handle, &mutex->handle))
return BH_ERROR;
return BH_OK;
}
int BH_ConditionWaitFor(BH_Condition *condition,
BH_Mutex *mutex,
uint32_t timeout)
{
struct timespec ts;
/* Calculate absoulute time for timed wait */
convertToTimespec(&ts, timeout);
switch (pthread_cond_timedwait(&condition->handle, &mutex->handle, &ts))
{
case 0: return BH_OK;
case ETIMEDOUT: return BH_TIMEOUT;
default: return BH_ERROR;
}
}
int BH_ConditionSignal(BH_Condition *condition)
{
if (pthread_cond_signal(&condition->handle))
return BH_ERROR;
return BH_OK;
}
int BH_ConditionBroadcast(BH_Condition *condition)
{
if (pthread_cond_broadcast(&condition->handle))
return BH_ERROR;
return BH_OK;
}
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