From: Richard W.M. Jones <rjones@redhat.com>
Date: Thu, 23 Feb 2012 17:06:32 +0000 (+0000)
Subject: daemon: On fork, open stdin/stdout/stderr on /dev/null.
X-Git-Tag: 0.0.3~2
X-Git-Url: http://git.annexia.org/?a=commitdiff_plain;h=083f42734bf06c6a752e3a93e519c6250a04dd96;p=whenjobs.git

daemon: On fork, open stdin/stdout/stderr on /dev/null.
---

diff --git a/daemon/whenjobsd.ml b/daemon/whenjobsd.ml
index 164a7e2..1efde6c 100644
--- a/daemon/whenjobsd.ml
+++ b/daemon/whenjobsd.ml
@@ -104,10 +104,13 @@ Options:
     (* chdir / so we don't prevent filesystems from being unmounted. *)
     chdir "/";
 
-    (* Close file descriptors. *)
+    (* Close file descriptors, replace with /dev/null. *)
     close stdin;
     close stdout;
     close stderr;
+    ignore (openfile "/dev/null" [O_RDONLY] 0);
+    ignore (openfile "/dev/null" [O_WRONLY] 0);
+    ignore (openfile "/dev/null" [O_WRONLY] 0);
 
     (* Create a new session. *)
     ignore (setsid ());