isisd: exit if daemonizing fails
The other daemons in Quagga exit with an error if they cannot fork.
Change isisd to behave consistently.
Signed-off-by: Christian Franke <chris@opensourcerouting.org>
Signed-off-by: Christian Franke <chris@opensourcerouting.org>
Tested-by: NetDEF CI System <cisystem@netdef.org>
Acked-by: Donald Sharp <sharpd@cumulusnetworks.com>
diff --git a/isisd/isis_main.c b/isisd/isis_main.c
index 1dda43b..bbb1fb2 100644
--- a/isisd/isis_main.c
+++ b/isisd/isis_main.c
@@ -358,8 +358,11 @@
return(0);
/* demonize */
- if (daemon_mode)
- daemon (0, 0);
+ if (daemon_mode && daemon (0, 0) < 0)
+ {
+ zlog_err("IS-IS daemon failed: %s", strerror(errno));
+ exit (1);
+ }
/* Process ID file creation. */
if (pid_file[0] != '\0')