blob: 0cece0b5a81c910afe7da26252c629ed88d22fe9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/* nohup.c - run commandline with SIGHUP blocked.
*
* Copyright 2011 Rob Landley <rob@landley.net>
*
* See http://opengroup.org/onlinepubs/9699919799/utilities/nohup.html
USE_NOHUP(NEWTOY(nohup, "<1^", TOYFLAG_USR|TOYFLAG_BIN))
config NOHUP
bool "nohup"
default y
help
usage: nohup COMMAND [ARGS...]
Run a command that survives the end of its terminal.
Redirect tty on stdin to /dev/null, tty on stdout to "nohup.out".
*/
#include "toys.h"
void nohup_main(void)
{
signal(SIGHUP, SIG_IGN);
if (isatty(1)) {
close(1);
if (-1 == open("nohup.out", O_CREAT|O_APPEND|O_WRONLY,
S_IRUSR|S_IWUSR ))
{
char *temp = getenv("HOME");
temp = xmprintf("%s/%s", temp ? temp : "", "nohup.out");
xcreate(temp, O_CREAT|O_APPEND|O_WRONLY, 0600);
}
}
if (isatty(0)) {
close(0);
open("/dev/null", O_RDONLY);
}
xexec_optargs(0);
}
|
