stun

commit 4a6652547f545a50cac664a6149b30052af73d97
parent 7a56e13096bdfadf4eb8df66d7de327b9056281d
Author: sin <sin@2f30.org>
Date:   Wed, 30 Mar 2016 13:25:19 +0100

use daemon(3) instead of rolling our own

Diffstat:
M
stun.c
 | 
31
+------------------------------

1 file changed, 1 insertion(+), 30 deletions(-)
diff --git a/stun.c b/stun.c
@@ -746,35 +746,6 @@ err:
 	return ret;
 }
 
-int
-daemonize(void)
-{
-	int fd;
-
-	if (foreground)
-		return 0;
-	switch (fork()) {
-	case -1:
-		return -1;
-	case 0:
-		break;
-	default:
-		_exit(0);
-	}
-	if (setsid() < 0)
-		return -1;
-	chdir("/");
-	fd = open("/dev/null", O_RDWR);
-	if (fd != -1) {
-		dup2(fd, 0);
-		dup2(fd, 1);
-		dup2(fd, 2);
-		if (fd > 2)
-			close(fd);
-	}
-	return 0;
-}
-
 void
 usage(void)
 {
@@ -822,7 +793,7 @@ main(int argc, char *argv[])
 		usage();
 
 	signal(SIGPIPE, SIG_IGN);
-	daemonize();
+	daemon(0, 0);
 	openlog("stun", LOG_PID | LOG_NDELAY, LOG_DAEMON);
 
 	devfd = opendev(argv[0]);