Add setsid(1) by arg
This commit is contained in:
parent
7be94fd3c8
commit
ddec3259aa
1
Makefile
1
Makefile
@ -68,6 +68,7 @@ SRC = \
|
||||
rm.c \
|
||||
rmdir.c \
|
||||
sleep.c \
|
||||
setsid.c \
|
||||
sort.c \
|
||||
split.c \
|
||||
sponge.c \
|
||||
|
7
setsid.1
Normal file
7
setsid.1
Normal file
@ -0,0 +1,7 @@
|
||||
.TH SETSID 1 sbase\-VERSION
|
||||
.SH NAME
|
||||
setsid \- run a program in a new session
|
||||
.SH SYNOPSIS
|
||||
.B setsid
|
||||
.RI program
|
||||
.RI [ arg ...]
|
42
setsid.c
Normal file
42
setsid.c
Normal file
@ -0,0 +1,42 @@
|
||||
/* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
|
||||
* See LICENSE file for license details. */
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include "util.h"
|
||||
|
||||
static void
|
||||
usage(void)
|
||||
{
|
||||
eprintf("usage: %s cmd [arg ...]\n", argv0);
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
{
|
||||
ARGBEGIN {
|
||||
default:
|
||||
usage();
|
||||
} ARGEND;
|
||||
|
||||
if (argc < 1)
|
||||
usage();
|
||||
|
||||
if(getpgrp() == getpid()) {
|
||||
switch(fork()){
|
||||
case -1:
|
||||
eprintf("fork:");
|
||||
case 0:
|
||||
break;
|
||||
default:
|
||||
exit(0);
|
||||
}
|
||||
}
|
||||
if(setsid() < 0)
|
||||
eprintf("setsid:");
|
||||
execvp(argv[0], argv);
|
||||
eprintf("execvp:");
|
||||
/* NOTREACHED */
|
||||
return 0;
|
||||
}
|
Loading…
Reference in New Issue
Block a user