BOOL ChangeTimerQueueTimer(HANDLE TimerQueue, HANDLE Timer, ULONG DueTime, ULONG Period)
{
struct timespec CurrentTime;
WINPR_TIMER_QUEUE* timerQueue;
WINPR_TIMER_QUEUE_TIMER* timer;
if (!TimerQueue || !Timer)
return FALSE;
timespec_gettimeofday(&CurrentTime);
timerQueue = (WINPR_TIMER_QUEUE*) TimerQueue;
timer = (WINPR_TIMER_QUEUE_TIMER*) Timer;
pthread_mutex_lock(&(timerQueue->cond_mutex));
RemoveTimerQueueTimer(&(timerQueue->activeHead), timer);
RemoveTimerQueueTimer(&(timerQueue->inactiveHead), timer);
timer->DueTime = DueTime;
timer->Period = Period;
timer->next = NULL;
timespec_copy(&(timer->StartTime), &CurrentTime);
timespec_add_ms(&(timer->StartTime), DueTime);
timespec_copy(&(timer->ExpirationTime), &(timer->StartTime));
InsertTimerQueueTimer(&(timerQueue->activeHead), timer);
pthread_cond_signal(&(timerQueue->cond));
pthread_mutex_unlock(&(timerQueue->cond_mutex));
return TRUE;
}
BOOL DeleteTimerQueueTimer(HANDLE TimerQueue, HANDLE Timer, HANDLE CompletionEvent)
{
WINPR_TIMER_QUEUE* timerQueue;
WINPR_TIMER_QUEUE_TIMER* timer;
if (!TimerQueue || !Timer)
return FALSE;
timerQueue = (WINPR_TIMER_QUEUE*) TimerQueue;
timer = (WINPR_TIMER_QUEUE_TIMER*) Timer;
pthread_mutex_lock(&(timerQueue->cond_mutex));
if (CompletionEvent == INVALID_HANDLE_VALUE)
{
/* Wait for all callback functions to complete before returning */
}
else
{
/* Cancel timer and return immediately */
RemoveTimerQueueTimer(&(timerQueue->activeHead), timer);
}
pthread_cond_signal(&(timerQueue->cond));
pthread_mutex_unlock(&(timerQueue->cond_mutex));
free(timer);
if (CompletionEvent && (CompletionEvent != INVALID_HANDLE_VALUE))
SetEvent(CompletionEvent);
return TRUE;
}
BOOL DeleteTimerQueueTimer(HANDLE TimerQueue, HANDLE Timer, HANDLE CompletionEvent)
{
WINPR_TIMER_QUEUE* timerQueue;
WINPR_TIMER_QUEUE_TIMER* timer;
if (!TimerQueue || !Timer)
return FALSE;
timerQueue = (WINPR_TIMER_QUEUE*) TimerQueue;
timer = (WINPR_TIMER_QUEUE_TIMER*) Timer;
pthread_mutex_lock(&(timerQueue->cond_mutex));
/**
* Quote from MSDN regarding CompletionEvent:
* If this parameter is INVALID_HANDLE_VALUE, the function waits for
* all callback functions to complete before returning.
* If this parameter is NULL, the function marks the timer for
* deletion and returns immediately.
*
* Note: The current WinPR implementation implicitly waits for any
* callback functions to complete (see cond_mutex usage)
*/
RemoveTimerQueueTimer(&(timerQueue->activeHead), timer);
pthread_cond_signal(&(timerQueue->cond));
pthread_mutex_unlock(&(timerQueue->cond_mutex));
free(timer);
if (CompletionEvent && (CompletionEvent != INVALID_HANDLE_VALUE))
SetEvent(CompletionEvent);
return TRUE;
}
