Ejemplo n.º 1
0
/**
 * The callback for when the main thread has issued a command to the run loop
 * thread. Reads all the pending commands and executes them
 */
static void command_callback(
    CFFileDescriptorRef fdref,
    CFOptionFlags callBackTypes,
    void *context) {
  int fd = CFFileDescriptorGetNativeDescriptor(fdref);
  struct thread_env *thread_env = (struct thread_env *)context;
  struct command *to_do = NULL;
  struct command *to_free = NULL;
  clear_pipe(fd);
  do {
    to_do = *(thread_env->commands);
  } while (OSAtomicCompareAndSwapPtr(to_do, NULL, (void *)(thread_env->commands)) == false);
  while (to_do != NULL) {
    switch (to_do->type) {
      case ADD_WATCH:
        add_watch(to_do->arg, thread_env);
        break;
      case RM_WATCH:
        // hh_server doesn't need this at the moment. Shouldn't be too hard to
        // do...just need to map of paths to FSEvent streams.
        fprintf(stderr, "fsevents impl doesn't support removing watches yet\n");
        break;
    }
    to_free = to_do;
    to_do = to_do->next;
    free(to_free->arg);
    free(to_free);
  }
  // For some reason you have to re-enable this callback every bloody time
  CFFileDescriptorEnableCallBacks(fdref, kCFFileDescriptorReadCallBack);
}
Ejemplo n.º 2
0
/**
 * Grabs the events that are ready to be processed from the linked list and
 * clears the list
 */
static struct event *read_events(struct env *env) {
  struct event *to_do = NULL;
  clear_pipe(env->read_event_fd);
  do {
    to_do = *(env->events);
  } while (OSAtomicCompareAndSwapPtr(to_do, NULL, (void *)(env->events)) == false);
  return to_do;
}
Ejemplo n.º 3
0
void cmus_provide_next_track(void)
{
	clear_pipe(cmus_next_track_request_fd, 1);

	cmus_next_file_lock();
	cmus_next_file = cmus_get_next_from_main_thread();
	cmus_next_file_provided = 1;
	cmus_next_file_unlock();

	pthread_cond_broadcast(&cmus_next_file_cond);
}