From 50239709f6cb0f2c928feb2fc9cc7bf516ecd75c Mon Sep 17 00:00:00 2001 From: Rob Landley Date: Tue, 5 Jan 2010 13:17:47 -0600 Subject: Add setsid. --- toys/setsid.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 toys/setsid.c (limited to 'toys') diff --git a/toys/setsid.c b/toys/setsid.c new file mode 100644 index 00000000..949f392a --- /dev/null +++ b/toys/setsid.c @@ -0,0 +1,34 @@ +/* vi: set sw=4 ts=4: + * + * setsid.c - Run program in a new session ID. + * + * Copyright 2006 Rob Landley + * + * Not in SUSv3. + * See http://www.opengroup.org/onlinepubs/009695399/utilities/ + +USE_SETSID(NEWTOY(setsid, "^<1t", TOYFLAG_USR|TOYFLAG_BIN)) + +config SETSID + bool "setsid" + default y + help + usage: setsid [-t] command [args...] + + Run process in a new session. + + -t Grab tty (become foreground process, receiving keyboard signals) +*/ + +#include "toys.h" + +void setsid_main(void) +{ + while (setsid()<0) + if (vfork()) _exit(0); + if (toys.optflags) { + setpgid(0,0); + tcsetpgrp(0, getpid()); + } + xexec(toys.optargs); +} -- cgit v1.2.3