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Diffstat (limited to 'sysdeps/unix/sysv/irix4/getpriority.c')
-rw-r--r--sysdeps/unix/sysv/irix4/getpriority.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/irix4/getpriority.c b/sysdeps/unix/sysv/irix4/getpriority.c
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+++ b/sysdeps/unix/sysv/irix4/getpriority.c
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+/* Copyright (C) 1994 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <sys/resource.h>
+#include <sys/sysmp.h>
+
+extern int __sysmp __P ((int, ...));
+
+/* Return the highest priority of any process specified by WHICH and WHO
+ (see <sys/resource.h>); if WHO is zero, the current process, process group,
+ or user (as specified by WHO) is used. A lower priority number means higher
+ priority. Priorities range from PRIO_MIN to PRIO_MAX. */
+int
+DEFUN(getpriority, (which, who),
+ enum __priority_which which AND int who)
+{
+ switch (which)
+ {
+ case PRIO_PROCESS:
+ return __sysmp (MP_SCHED, MPTS_GTNICE_PROC, who);
+ case PRIO_PGRP:
+ return __sysmp (MP_SCHED, MPTS_GTNICE_PGRP, who);
+ case PRIO_USER:
+ return __sysmp (MP_SCHED, MPTS_GTNICE_USER, who);
+ }
+
+ errno = EINVAL;
+ return -1;
+}