[PATCH] Add PRIO_* macros

[Samuel Thibault]

Hello,

As documented earlier in the same file, "some programs want to test for
operating system features with #ifdef foo", so the patch below adds
macros in addition to the enumeration.

Samuel

2009-01-03  Samuel Thibault  <samuel.thibault@ens-lyon.org>

	* bits/resource.h (PRIO_PROCESS, PRIO_PGRP, PRIO_USER): Add
	macros.

Index: ./bits/resource.h
===================================================================
RCS file: /cvs/glibc/libc/bits/resource.h,v
retrieving revision 1.8
diff -u -p -r1.8 resource.h
--- ./bits/resource.h	5 Mar 2006 22:48:10 -0000	1.8
+++ ./bits/resource.h	3 Jan 2009 14:47:20 -0000
@@ -185,6 +185,9 @@ struct rusage
 enum __priority_which
   {
     PRIO_PROCESS = 0,           /* WHO is a process ID.  */
+#define PRIO_PROCESS PRIO_PROCESS
     PRIO_PGRP = 1,              /* WHO is a process group ID.  */
+#define PRIO_PGRP PRIO_PGRP
     PRIO_USER = 2               /* WHO is a user ID.  */
+#define PRIO_USER PRIO_USER
   };