Mercurial > hg > toybox
changeset 371:2cec41ee6eea
Add setsid.
author | Rob Landley <rob@landley.net> |
---|---|
date | Tue, 05 Jan 2010 13:17:47 -0600 |
parents | c7a26e26ad08 |
children | 9051cb744d0a |
files | toys/setsid.c |
diffstat | 1 files changed, 34 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toys/setsid.c Tue Jan 05 13:17:47 2010 -0600 @@ -0,0 +1,34 @@ +/* vi: set sw=4 ts=4: + * + * setsid.c - Run program in a new session ID. + * + * Copyright 2006 Rob Landley <rob@landley.net> + * + * 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); +}