static void uv__loop_delete(uv_loop_t* loop) { uv__signal_loop_cleanup(loop); uv__platform_loop_delete(loop); uv__async_stop(loop, &loop->async_watcher); if (loop->emfile_fd != -1) { close(loop->emfile_fd); loop->emfile_fd = -1; } if (loop->backend_fd != -1) { close(loop->backend_fd); loop->backend_fd = -1; } uv_mutex_lock(&loop->wq_mutex); assert(QUEUE_EMPTY(&loop->wq) && "thread pool work queue not empty!"); assert(!uv__has_active_reqs(loop)); uv_mutex_unlock(&loop->wq_mutex); uv_mutex_destroy(&loop->wq_mutex); #if 0 assert(QUEUE_EMPTY(&loop->pending_queue)); assert(QUEUE_EMPTY(&loop->watcher_queue)); assert(loop->nfds == 0); #endif free(loop->watchers); loop->watchers = NULL; loop->nwatchers = 0; }
int uv__async_fork(uv_loop_t* loop) { if (loop->async_io_watcher.fd == -1) /* never started */ return 0; uv__async_stop(loop); return uv__async_start(loop); }
void uv__loop_close(uv_loop_t* loop) { uv__signal_loop_cleanup(loop); uv__platform_loop_delete(loop); uv__async_stop(loop); if (loop->emfile_fd != -1) { uv__close(loop->emfile_fd); loop->emfile_fd = -1; } if (loop->backend_fd != -1) { uv__close(loop->backend_fd); loop->backend_fd = -1; } uv_mutex_lock(&loop->wq_mutex); assert(QUEUE_EMPTY(&loop->wq) && "thread pool work queue not empty!"); assert(!uv__has_active_reqs(loop)); uv_mutex_unlock(&loop->wq_mutex); uv_mutex_destroy(&loop->wq_mutex); /* * Note that all thread pool stuff is finished at this point and * it is safe to just destroy rw lock */ uv_rwlock_destroy(&loop->cloexec_lock); #if 0 assert(QUEUE_EMPTY(&loop->pending_queue)); assert(QUEUE_EMPTY(&loop->watcher_queue)); assert(loop->nfds == 0); #endif uv__free(loop->watchers); loop->watchers = NULL; loop->nwatchers = 0; }