diff options
Diffstat (limited to 'sysdeps/unix/sysv/irix4/getpriority.c')
-rw-r--r-- | sysdeps/unix/sysv/irix4/getpriority.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/irix4/getpriority.c b/sysdeps/unix/sysv/irix4/getpriority.c new file mode 100644 index 0000000000..70a9431890 --- /dev/null +++ b/sysdeps/unix/sysv/irix4/getpriority.c @@ -0,0 +1,46 @@ +/* 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; +} |