From 1cd64d081d1745436dd7c41826dfb05672dd26aa Mon Sep 17 00:00:00 2001
From: "M. Sean Finney" <seanius@users.sourceforge.net>
Date: Sun, 1 May 2005 20:12:03 +0000
Subject: better error checking in spopen signal handler (see 1107524)

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1169 f882894a-f735-0410-b71e-b25c423dba1c
---
 plugins/popen.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'plugins/popen.c')

diff --git a/plugins/popen.c b/plugins/popen.c
index 04eb3881..062cf274 100644
--- a/plugins/popen.c
+++ b/plugins/popen.c
@@ -243,8 +243,12 @@ static int openmax = 0;
 void
 popen_timeout_alarm_handler (int signo)
 {
+	int fh;
 	if (signo == SIGALRM) {
-		kill (childpid[fileno (child_process)], SIGKILL);
+		fh=fileno (child_process);
+		if(fh >= 0){
+			kill (childpid[fh], SIGKILL);
+		}
 		printf (_("CRITICAL - Plugin timed out after %d seconds\n"),
 						timeout_interval);
 		exit (STATE_CRITICAL);
-- 
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