unix-socket.hon commit set FD_CLOEXEC properly when O_CLOEXEC is not supported (9fb9495)
   1#ifndef UNIX_SOCKET_H
   2#define UNIX_SOCKET_H
   3
   4int unix_stream_connect(const char *path);
   5int unix_stream_listen(const char *path);
   6
   7#endif /* UNIX_SOCKET_H */