From 065de90380c88d9fcc116627f714bed9984c2723 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Fri, 7 Aug 2009 11:13:49 -0700
Subject: all: check return value from daemon() call

* */*main.c: (main) Current versions of Gcc warn if the return value for
  daemon() is not checked.  So add a simple test and exit on failure.
---
 isisd/isis_main.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'isisd')

diff --git a/isisd/isis_main.c b/isisd/isis_main.c
index 2411518d..c5e824c1 100644
--- a/isisd/isis_main.c
+++ b/isisd/isis_main.c
@@ -333,8 +333,11 @@ main (int argc, char **argv, char **envp)
     return(0);
   
   /* demonize */
-  if (daemon_mode)
-    daemon (0, 0);
+  if (daemon_mode && daemon (0, 0) < 0)
+    {
+      zlog_err("ISISd daemon failed: %s", strerror(errno));
+      exit (1);
+    }
 
   /* Process ID file creation. */
   pid_output (pid_file);
-- 
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