From 8adcf3e5d102647e9cc6c4cce7e6d0c7a9f3a9bb Mon Sep 17 00:00:00 2001
From: Michael Walle <michael@walle.cc>
Date: Sat, 1 Oct 2011 02:29:30 +0200
Subject: [PATCH] set close-on-exec flag on errorlogfile

Make sure the file descriptor is closed within the child after forking.

Signed-off-by: Michael Walle <michael@walle.cc>
---
 src/log.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/log.c b/src/log.c
index d424ffd3..5e1c35eb 100644
--- a/src/log.c
+++ b/src/log.c
@@ -16,6 +16,8 @@
 #include <stdbool.h>
 #include <stdlib.h>
 #include <sys/time.h>
+#include <unistd.h>
+#include <fcntl.h>
 
 #include "util.h"
 #include "log.h"
@@ -41,6 +43,9 @@ void init_logging() {
     }
 
     errorfile = fopen(errorfilename, "w");
+    if (fcntl(fileno(errorfile), F_SETFD, FD_CLOEXEC)) {
+        ELOG("Could not set close-on-exec flag\n");
+    }
 }
 
 /*