X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fcloexec.c;h=6480006a5b46ca5ea4d745a43e12617de5c55ee7;hb=ccd54782ae73477aa3f3987ab04db9e6fde025d6;hp=20f30db45d868321f6d7c8a3728b9030e3ff37ac;hpb=f68c57a7466a299f333352b6d6c958a3a36c0e3c;p=gnulib.git

diff --git a/lib/cloexec.c b/lib/cloexec.c
index 20f30db45..6480006a5 100644
--- a/lib/cloexec.c
+++ b/lib/cloexec.c
@@ -1,5 +1,6 @@
 /* closexec.c - set or clear the close-on-exec descriptor flag
-   Copyright (C) 1991, 2004 Free Software Foundation, Inc.
+
+   Copyright (C) 1991, 2004, 2005, 2006 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -13,23 +14,16 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software Foundation,
-   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
    The code is taken from glibc/manual/llio.texi  */
 
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
 
 #include "cloexec.h"
 
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#if HAVE_FCNTL_H
-# include <fcntl.h>
-#endif
+#include <unistd.h>
+#include <fcntl.h>
 
 #ifndef FD_CLOEXEC
 # define FD_CLOEXEC 1
@@ -37,27 +31,29 @@
 
 /* Set the `FD_CLOEXEC' flag of DESC if VALUE is true,
    or clear the flag if VALUE is false.
-   Return true on success, or false on error with `errno' set. */
+   Return 0 on success, or -1 on error with `errno' set. */
 
-bool
+int
 set_cloexec_flag (int desc, bool value)
 {
 #if defined F_GETFD && defined F_SETFD
 
   int flags = fcntl (desc, F_GETFD, 0);
-  int newflags;
 
-  if (flags < 0)
-    return false;
+  if (0 <= flags)
+    {
+      int newflags = (value ? flags | FD_CLOEXEC : flags & ~FD_CLOEXEC);
 
-  newflags = (value ? flags | FD_CLOEXEC : flags & ~FD_CLOEXEC);
+      if (flags == newflags
+	  || fcntl (desc, F_SETFD, newflags) != -1)
+	return 0;
+    }
 
-  return (flags == newflags
-	  || fcntl (desc, F_SETFD, newflags) != -1);
+  return -1;
 
 #else
 
-  return true;
+  return 0;
 
 #endif
 }