int _zbar_thread_start (zbar_thread_t *thr,
zbar_thread_proc_t *proc,
void *arg,
zbar_mutex_t *lock)
{
HANDLE hthr;
int rc;
if(thr->started || thr->running)
return(-1/*FIXME*/);
thr->started = 1;
_zbar_event_init(&thr->notify);
_zbar_event_init(&thr->activity);
hthr = CreateThread(NULL, 0, proc, arg, 0, NULL);
rc = (!hthr ||
_zbar_event_wait(&thr->activity, NULL, NULL) < 0 ||
!thr->running);
CloseHandle(hthr);
if(rc) {
thr->started = 0;
_zbar_event_destroy(&thr->notify);
_zbar_event_destroy(&thr->activity);
return(-1/*FIXME*/);
}
return(0);
}
int _zbar_thread_stop (zbar_thread_t *thr,
zbar_mutex_t *lock)
{
if(thr->started) {
thr->started = 0;
_zbar_event_trigger(&thr->notify);
while(thr->running)
/* FIXME time out and abandon? */
_zbar_event_wait(&thr->activity, lock, NULL);
_zbar_event_destroy(&thr->notify);
_zbar_event_destroy(&thr->activity);
}
return(0);
}
void zbar_processor_destroy (zbar_processor_t *proc)
{
proc_waiter_t *w, *next;
zbar_processor_init(proc, NULL, 0);
if(proc->scanner) {
zbar_image_scanner_destroy(proc->scanner);
proc->scanner = NULL;
}
_zbar_mutex_destroy(&proc->mutex);
_zbar_processor_cleanup(proc);
assert(!proc->wait_head);
assert(!proc->wait_tail);
assert(!proc->wait_next);
for(w = proc->free_waiter; w; w = next) {
next = w->next;
_zbar_event_destroy(&w->notify);
free(w);
}
err_cleanup(&proc->err);
free(proc);
}