3 * Become a daemon, detaching from terminals
5 * (c) 2007 Straylight/Edgeware
8 /*----- Licensing notice --------------------------------------------------*
10 * This file is part of the mLib utilities library.
12 * mLib is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Library General Public License as
14 * published by the Free Software Foundation; either version 2 of the
15 * License, or (at your option) any later version.
17 * mLib is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Library General Public License for more details.
22 * You should have received a copy of the GNU Library General Public
23 * License along with mLib; if not, write to the Free
24 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
28 /*----- Header files ------------------------------------------------------*/
30 #include <sys/types.h>
33 #include <sys/ioctl.h>
35 #include "daemonize.h"
37 /*----- Main code ---------------------------------------------------------*/
39 /* --- @detachtty@ --- *
45 * Use: Detaches from the current terminal and ensures it can never
46 * acquire a new one. Calls @fork@.
54 if ((fd
= open("/dev/tty", O_RDONLY
)) >= 0) {
65 /* --- @daemonize@ --- *
69 * Returns: Zero if OK, nonzero on failure.
71 * Use: Becomes a daemon.
78 if ((kid
= fork()) < 0)
86 /*----- That's all, folks -------------------------------------------------*/