view toys/other/setsid.c @ 656:6df4ccc0acbe

Regularize command headers, update links to standards documents.
author Rob Landley <rob@landley.net>
date Sat, 25 Aug 2012 18:08:51 -0500
parents 2986aa63a021
children 786841fdb1e0
line wrap: on
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/* vi: set sw=4 ts=4:
 *
 * setsid.c - Run program in a new session ID.
 *
 * Copyright 2006 Rob Landley <rob@landley.net>

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);
}