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