message: Do not warn in Coroutine API.
diff: @@ -233,29 +233,16 @@ static size_t socket_write(php_stream *stream, const char *buf, size_t count)
  {
  php_swoole_netstream_data_t *abstract = (php_swoole_netstream_data_t *) stream->abstract;
  Socket *sock = (Socket*) abstract->socket;
  - int didwrite;
  + ssize_t didwrite;
  if (!sock)
  {
  return 0;
  }
  -
  didwrite = sock->send_all(buf, count);
  - if (didwrite <= 0)
  - {
  - int err = sock->errCode;
  - char *estr;
  -
  - estr = php_socket_strerror(err, NULL, 0);
  - php_error_docref(NULL, E_NOTICE, "send of " ZEND_LONG_FMT " bytes failed with errno=%d %s", (zend_long) count,
  - err, estr);
  - efree(estr);
  - }
  -
  if (didwrite > 0)
  {
  php_stream_notify_progress_increment(PHP_STREAM_CONTEXT(stream), didwrite, 0);
  }
  -
  if (didwrite < 0)
  {
  didwrite = 0;
  