void uv__stream_close(uv_stream_t* handle) {
#if defined(__APPLE__)
/* Terminate select loop first */
if (handle->select != NULL) {
uv__stream_select_t* s;
s = handle->select;
uv_sem_post(&s->sem);
uv__stream_osx_interrupt_select(handle);
uv_thread_join(&s->thread);
uv_sem_destroy(&s->sem);
uv_mutex_destroy(&s->mutex);
close(s->fake_fd);
close(s->int_fd);
uv_close((uv_handle_t*) &s->async, uv__stream_osx_cb_close);
handle->select = NULL;
}
#endif /* defined(__APPLE__) */
uv_read_stop(handle);
uv__io_close(handle->loop, &handle->io_watcher);
close(handle->io_watcher.fd);
handle->io_watcher.fd = -1;
if (handle->accepted_fd >= 0) {
close(handle->accepted_fd);
handle->accepted_fd = -1;
}
assert(!uv__io_active(&handle->io_watcher, UV__POLLIN | UV__POLLOUT));
}
int uv_read_stop(uv_stream_t* stream) {
uv__io_stop(stream->loop, &stream->io_watcher, UV__POLLIN);
uv__handle_stop(stream);
stream->flags &= ~UV_STREAM_READING;
#if defined(__APPLE__)
/* Notify select() thread about state change */
if (stream->select != NULL)
uv__stream_osx_interrupt_select(stream);
#endif /* defined(__APPLE__) */
stream->read_cb = NULL;
stream->read2_cb = NULL;
stream->alloc_cb = NULL;
return 0;
}
static int uv__read_start_common(uv_stream_t* stream,
uv_alloc_cb alloc_cb,
uv_read_cb read_cb,
uv_read2_cb read2_cb) {
assert(stream->type == UV_TCP || stream->type == UV_NAMED_PIPE ||
stream->type == UV_TTY);
if (stream->flags & UV_CLOSING) {
uv__set_sys_error(stream->loop, EINVAL);
return -1;
}
/* The UV_STREAM_READING flag is irrelevant of the state of the tcp - it just
* expresses the desired state of the user.
*/
stream->flags |= UV_STREAM_READING;
#if defined(__APPLE__)
/* Notify select() thread about state change */
if (stream->select != NULL)
uv__stream_osx_interrupt_select(stream);
#endif /* defined(__APPLE__) */
/* TODO: try to do the read inline? */
/* TODO: keep track of tcp state. If we've gotten a EOF then we should
* not start the IO watcher.
*/
assert(uv__stream_fd(stream) >= 0);
assert(alloc_cb);
stream->read_cb = read_cb;
stream->read2_cb = read2_cb;
stream->alloc_cb = alloc_cb;
uv__io_start(stream->loop, &stream->io_watcher, UV__POLLIN);
uv__handle_start(stream);
return 0;
}
