$OpenBSD: patch-dbus_dbus-sysdeps-unix_c,v 1.12 2013/01/08 09:30:27 ajacoutot Exp $

From pkgsrc:
_dbus_poll: set the timeout value argument to poll to -1 whenever it is
less than -1 to avoid an infinite EINVAL loop.

From b8b3feb98646c8294c86f8391d243aaf3f8ac684 Mon Sep 17 00:00:00 2001
From: Michel HERMIER <hermier@frugalware.org>
Date: Fri, 09 Nov 2012 15:53:46 +0000
Subject: Remove redundant close() calls

--- dbus/dbus-sysdeps-unix.c.orig	Fri Sep 28 21:31:47 2012
+++ dbus/dbus-sysdeps-unix.c	Tue Jan  8 09:55:49 2013
@@ -2525,6 +2525,10 @@ _dbus_poll (DBusPollFD *fds,
       _DBUS_STRUCT_OFFSET (DBusPollFD, revents) ==
       _DBUS_STRUCT_OFFSET (struct pollfd, revents))
     {
+      if (timeout_milliseconds < -1) {
+        _dbus_warn("_dbus_poll: timeout = %d (fixed)\n", timeout_milliseconds);
+        timeout_milliseconds = -1;
+      }
       return poll ((struct pollfd*) fds,
                    n_fds,
                    timeout_milliseconds);
@@ -3299,15 +3303,12 @@ _read_subprocess_line_argv (const char *progpath,
       /* set-up stdXXX */
       close (result_pipe[READ_END]);
       close (errors_pipe[READ_END]);
-      close (0);                /* close stdin */
-      close (1);                /* close stdout */
-      close (2);                /* close stderr */
 
-      if (dup2 (fd, 0) == -1)
+      if (dup2 (fd, 0) == -1) /* setup stdin */
         _exit (1);
-      if (dup2 (result_pipe[WRITE_END], 1) == -1)
+      if (dup2 (result_pipe[WRITE_END], 1) == -1) /* setup stdout */
         _exit (1);
-      if (dup2 (errors_pipe[WRITE_END], 2) == -1)
+      if (dup2 (errors_pipe[WRITE_END], 2) == -1) /* setup stderr */
         _exit (1);
 
       _dbus_close_all ();