Function socket_setnonblocking

lib/lua/src/usocket.c:274–278

// Util

T_ERRCODE socket_setnonblocking(p_socket sock) {
  int flags = fcntl(*sock, F_GETFL, 0);
  flags |= O_NONBLOCK;
  return fcntl(*sock, F_SETFL, flags) != -1 ? SUCCESS : errno;
}

T_ERRCODE socket_setblocking(p_socket sock) {
  int flags = fcntl(*sock, F_GETFL, 0);