C++ (Cpp) uv__platform_loop_init示例

示例#1

文件： loop.c 项目： AKIo0O/node

static int uv__loop_init(uv_loop_t* loop, int default_loop) {
  unsigned int i;
  int err;

  uv__signal_global_once_init();

  memset(loop, 0, sizeof(*loop));
  RB_INIT(&loop->timer_handles);
  QUEUE_INIT(&loop->wq);
  QUEUE_INIT(&loop->active_reqs);
  QUEUE_INIT(&loop->idle_handles);
  QUEUE_INIT(&loop->async_handles);
  QUEUE_INIT(&loop->check_handles);
  QUEUE_INIT(&loop->prepare_handles);
  QUEUE_INIT(&loop->handle_queue);

  loop->nfds = 0;
  loop->watchers = NULL;
  loop->nwatchers = 0;
  QUEUE_INIT(&loop->pending_queue);
  QUEUE_INIT(&loop->watcher_queue);

  loop->closing_handles = NULL;
  loop->time = uv__hrtime() / 1000000;
  uv__async_init(&loop->async_watcher);
  loop->signal_pipefd[0] = -1;
  loop->signal_pipefd[1] = -1;
  loop->backend_fd = -1;
  loop->emfile_fd = -1;

  loop->timer_counter = 0;
  loop->stop_flag = 0;

  err = uv__platform_loop_init(loop, default_loop);
  if (err)
    return err;

  uv_signal_init(loop, &loop->child_watcher);
  uv__handle_unref(&loop->child_watcher);
  loop->child_watcher.flags |= UV__HANDLE_INTERNAL;

  for (i = 0; i < ARRAY_SIZE(loop->process_handles); i++)
    QUEUE_INIT(loop->process_handles + i);

  if (uv_mutex_init(&loop->wq_mutex))
    abort();

  if (uv_async_init(loop, &loop->wq_async, uv__work_done))
    abort();

  uv__handle_unref(&loop->wq_async);
  loop->wq_async.flags |= UV__HANDLE_INTERNAL;

  return 0;
}

示例#2

文件： loop.c 项目： Muraad/harmony

int uv_loop_init(uv_loop_t* loop) {
  int err;

  uv__signal_global_once_init();

  memset(loop, 0, sizeof(*loop));
  heap_init((struct heap*) &loop->timer_heap);
  QUEUE_INIT(&loop->wq);
  QUEUE_INIT(&loop->active_reqs);
  QUEUE_INIT(&loop->idle_handles);
  QUEUE_INIT(&loop->async_handles);
  QUEUE_INIT(&loop->check_handles);
  QUEUE_INIT(&loop->prepare_handles);
  QUEUE_INIT(&loop->handle_queue);

  loop->nfds = 0;
  loop->watchers = NULL;
  loop->nwatchers = 0;
  QUEUE_INIT(&loop->pending_queue);
  QUEUE_INIT(&loop->watcher_queue);

  loop->closing_handles = NULL;
  uv__update_time(loop);
  uv__async_init(&loop->async_watcher);
  loop->signal_pipefd[0] = -1;
  loop->signal_pipefd[1] = -1;
  loop->backend_fd = -1;
  loop->emfile_fd = -1;

  loop->timer_counter = 0;
  loop->stop_flag = 0;

  err = uv__platform_loop_init(loop);
  if (err)
    return err;

  uv_signal_init(loop, &loop->child_watcher);
  uv__handle_unref(&loop->child_watcher);
  loop->child_watcher.flags |= UV__HANDLE_INTERNAL;
  QUEUE_INIT(&loop->process_handles);

  if (uv_rwlock_init(&loop->cloexec_lock))
    abort();

  if (uv_mutex_init(&loop->wq_mutex))
    abort();

  if (uv_async_init(loop, &loop->wq_async, uv__work_done))
    abort();

  uv__handle_unref(&loop->wq_async);
  loop->wq_async.flags |= UV__HANDLE_INTERNAL;

  return 0;
}

示例#3

文件： loop.c 项目： libtor/libuv

int uv__loop_init(uv_loop_t* loop, int default_loop) {
  unsigned int i;
  int flags;

  uv__signal_global_once_init();

#if HAVE_KQUEUE
  flags = EVBACKEND_KQUEUE;
#else
  flags = EVFLAG_AUTO;
#endif

  memset(loop, 0, sizeof(*loop));
  RB_INIT(&loop->timer_handles);
  ngx_queue_init(&loop->wq);
  ngx_queue_init(&loop->active_reqs);
  ngx_queue_init(&loop->idle_handles);
  ngx_queue_init(&loop->async_handles);
  ngx_queue_init(&loop->check_handles);
  ngx_queue_init(&loop->prepare_handles);
  ngx_queue_init(&loop->handle_queue);
  loop->closing_handles = NULL;
  loop->time = uv_hrtime() / 1000000;
  loop->async_pipefd[0] = -1;
  loop->async_pipefd[1] = -1;
  loop->async_sweep_needed = 0;
  loop->signal_pipefd[0] = -1;
  loop->signal_pipefd[1] = -1;
  loop->emfile_fd = -1;
  loop->ev = (default_loop ? ev_default_loop : ev_loop_new)(flags);
  ev_set_userdata(loop->ev, loop);

  uv_signal_init(loop, &loop->child_watcher);
  uv__handle_unref(&loop->child_watcher);
  loop->child_watcher.flags |= UV__HANDLE_INTERNAL;

  for (i = 0; i < ARRAY_SIZE(loop->process_handles); i++)
    ngx_queue_init(loop->process_handles + i);

  if (uv_mutex_init(&loop->wq_mutex))
    abort();

  if (uv_async_init(loop, &loop->wq_async, uv__work_done))
    abort();

  uv__handle_unref(&loop->wq_async);
  loop->wq_async.flags |= UV__HANDLE_INTERNAL;

  if (uv__platform_loop_init(loop, default_loop))
    return -1;

  return 0;
}

示例#4

文件： linux-core.c 项目： abouthiroppy/node

int uv__io_fork(uv_loop_t* loop) {
  int err;
  void* old_watchers;

  old_watchers = loop->inotify_watchers;

  uv__close(loop->backend_fd);
  loop->backend_fd = -1;
  uv__platform_loop_delete(loop);

  err = uv__platform_loop_init(loop);
  if (err)
    return err;

  return uv__inotify_fork(loop, old_watchers);
}

示例#5

文件： loop.cpp 项目： AustinShalit/allwpilib

int uv_loop_init(uv_loop_t* loop) {
  void* saved_data;
  int err;


  saved_data = loop->data;
  memset(loop, 0, sizeof(*loop));
  loop->data = saved_data;

  heap_init((struct heap*) &loop->timer_heap);
  QUEUE_INIT(&loop->wq);
  QUEUE_INIT(&loop->idle_handles);
  QUEUE_INIT(&loop->async_handles);
  QUEUE_INIT(&loop->check_handles);
  QUEUE_INIT(&loop->prepare_handles);
  QUEUE_INIT(&loop->handle_queue);

  loop->active_handles = 0;
  loop->active_reqs.count = 0;
  loop->nfds = 0;
  loop->watchers = NULL;
  loop->nwatchers = 0;
  QUEUE_INIT(&loop->pending_queue);
  QUEUE_INIT(&loop->watcher_queue);

  loop->closing_handles = NULL;
  uv__update_time(loop);
  loop->async_io_watcher.fd = -1;
  loop->async_wfd = -1;
  loop->signal_pipefd[0] = -1;
  loop->signal_pipefd[1] = -1;
  loop->backend_fd = -1;
  loop->emfile_fd = -1;

  loop->timer_counter = 0;
  loop->stop_flag = 0;

  err = uv__platform_loop_init(loop);
  if (err)
    return err;

  uv__signal_global_once_init();
  err = uv_signal_init(loop, &loop->child_watcher);
  if (err)
    goto fail_signal_init;

  uv__handle_unref(&loop->child_watcher);
  loop->child_watcher.flags |= UV__HANDLE_INTERNAL;
  QUEUE_INIT(&loop->process_handles);

  err = uv_rwlock_init(&loop->cloexec_lock);
  if (err)
    goto fail_rwlock_init;

  err = uv_mutex_init(&loop->wq_mutex);
  if (err)
    goto fail_mutex_init;

  err = uv_async_init(loop, &loop->wq_async, uv__work_done);
  if (err)
    goto fail_async_init;

  uv__handle_unref(&loop->wq_async);
  loop->wq_async.flags |= UV__HANDLE_INTERNAL;

  return 0;

fail_async_init:
  uv_mutex_destroy(&loop->wq_mutex);

fail_mutex_init:
  uv_rwlock_destroy(&loop->cloexec_lock);

fail_rwlock_init:
  uv__signal_loop_cleanup(loop);

fail_signal_init:
  uv__platform_loop_delete(loop);

  return err;
}

示例#6

文件： aix.c 项目： abouthiroppy/node

int uv__io_fork(uv_loop_t* loop) {
  uv__platform_loop_delete(loop);

  return uv__platform_loop_init(loop);
}