[glib] g_unix_open_pipe: Add missing F_SETFD

[Colin Walters <walters src gnome org>]

commit c70072180557c0a897da0d96ef2cf4f5398ddd3b
Author: Colin Walters <walters verbum org>
Date:   Tue Dec 11 16:53:48 2012 -0500

    g_unix_open_pipe: Add missing F_SETFD
    
    Spotted by Ray Strode <rstrode redhat com>
    
    While we're here, microoptimize by skipping the fcntl() calls if flags
    is 0.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=690069

 glib/glib-unix.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/glib/glib-unix.c b/glib/glib-unix.c
index 9e87bb5..9cc2716 100644
--- a/glib/glib-unix.c
+++ b/glib/glib-unix.c
@@ -105,7 +105,11 @@ g_unix_open_pipe (int     *fds,
   ecode = pipe (fds);
   if (ecode == -1)
     return g_unix_set_error_from_errno (error, errno);
-  ecode = fcntl (fds[0], flags);
+
+  if (flags == 0)
+    return TRUE;
+
+  ecode = fcntl (fds[0], F_SETFD, flags);
   if (ecode == -1)
     {
       int saved_errno = errno;
@@ -113,7 +117,7 @@ g_unix_open_pipe (int     *fds,
       close (fds[1]);
       return g_unix_set_error_from_errno (error, saved_errno);
     }
-  ecode = fcntl (fds[1], flags);
+  ecode = fcntl (fds[1], F_SETFD, flags);
   if (ecode == -1)
     {
       int saved_errno = errno;