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node_modules/fsevents/src/async.cc 1.11 KB
aaac7fed   liuqimichale   add
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  /*
  ** © 2014 by Philipp Dunkel <pip@pipobscure.com>
  ** Licensed under MIT License.
  */
  
  
  void async_propagate(uv_async_t *async) {
    if (!async->data) return;
    FSEvents *fse = (FSEvents *)async->data;
    CFIndex idx, cnt;
    fse_event *event;
    char pathbuf[1024];
    const char *pathptr = NULL;
    fse->lock();
    cnt = fse->events.size();
    for (idx=0; idx<cnt; idx++) {
      event = fse->events.at(idx);
      if (event == NULL) continue;
      pathptr = CFStringGetCStringPtr(event->path, kCFStringEncodingUTF8);
      if (!pathptr) CFStringGetCString(event->path, pathbuf, 1024, kCFStringEncodingUTF8);
      fse->emitEvent(pathptr ? pathptr : pathbuf, event->flags, event->id);
      delete event;
    }
    if (cnt>0) fse->events.clear();
    fse->unlock();
  }
  
  void FSEvents::asyncStart() {
    if (async.data == this) return;
    async.data = this;
    uv_async_init(uv_default_loop(), &async, (uv_async_cb) async_propagate);
  }
  
  void FSEvents::asyncTrigger() {
    if (async.data != this) return;
    uv_async_send(&async);
  }
  
  void FSEvents::asyncStop() {
    if (async.data != this) return;
    async.data = NULL;
    uv_close((uv_handle_t *) &async, NULL);
  }