static __inline int proc_wait_unthreaded (zbar_processor_t *proc,
proc_waiter_t *waiter,
zbar_timer_t *timeout)
{
int blocking = 0;// proc->streaming && zbar_video_get_fd(proc->video) < 0;
_zbar_mutex_unlock(&proc->mutex);
int rc = 1;
while(rc > 0 && (waiter->events & EVENTS_PENDING)) {
/* FIXME lax w/the locking (though shouldn't matter...) */
//if(blocking) {
// zbar_image_t *img = zbar_video_next_image(proc->video);
// if(!img) {
// rc = -1;
// break;
// }
/* FIXME reacquire API lock! (refactor w/video thread?) */
// _zbar_mutex_lock(&proc->mutex);
// _zbar_process_image(proc, img);
// zbar_image_destroy(img);
// _zbar_mutex_unlock(&proc->mutex);
//}
int reltime = _zbar_timer_check(timeout);
if(blocking && (reltime < 0 || reltime > MAX_INPUT_BLOCK))
reltime = MAX_INPUT_BLOCK;
rc = _zbar_processor_input_wait(proc, NULL, reltime);
}
_zbar_mutex_lock(&proc->mutex);
return(rc);
}
/* lock must be held */
int _zbar_event_wait (zbar_event_t *event,
zbar_mutex_t *lock,
zbar_timer_t *timeout)
{
if(lock)
_zbar_mutex_unlock(lock);
int rc = WaitForSingleObject(*event, _zbar_timer_check(timeout));
if(lock)
_zbar_mutex_lock(lock);
if(!rc)
return(1); /* got event */
if(rc == WAIT_TIMEOUT)
return(0); /* timed out */
return(-1); /* error (FIXME save info) */
}
int _zbar_event_wait (zbar_event_t *event,
zbar_mutex_t *lock,
zbar_timer_t *timeout)
{
int rc = !event->state;
if(rc) {
if(!timeout)
/* FIXME was that error or hang? */
return(-1);
int _sleep = _zbar_timer_check(timeout);
if(_sleep)
proc_sleep(_sleep);
}
rc = !event->state;
/* consume/reset event */
event->state = 0;
return(rc);
}