blob: 632d1203debf329148d135ff71ac10c237815da3 (
plain) (
blame)
| 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
 | #include <fcntl.h>
#include <unistd.h>
int daemon(int nochdir, int noclose)
{
	int fd;
	switch(fork()) {
	case 0: break;
	case -1: return -1;
	default: _exit(0);
	}
	if (setsid() < 0) return -1;
	switch(fork()) {
	case 0: break;
	case -1: return -1;
	default: _exit(0);
	}
	if (!nochdir) chdir("/");
	if (!noclose && (fd = open("/dev/null", O_RDWR)) >= 0) {
		dup2(fd, 0);
		dup2(fd, 1);
		dup2(fd, 2);
		if (fd > 2) close(fd);
	}
	return 0;
}
 |