notify_systemd: use close-on-exit on socket

diff --git a/src/daemon/collectd.c b/src/daemon/collectd.c
index 58325b9..02fd66f 100644 (file)
--- a/src/daemon/collectd.c
+++ b/src/daemon/collectd.c
@@ -459,7 +459,11 @@ int notify_systemd (void)
 
     unsetenv ("NOTIFY_SOCKET");
 
+#if defined(SOCK_CLOEXEC)
+    fd = socket (AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, /* protocol = */ 0);
+#else
     fd = socket (AF_UNIX, SOCK_DGRAM, /* protocol = */ 0);
+#endif
     if (fd < 0) {
         char errbuf[1024];
         ERROR ("creating UNIX socket failed: %s",