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/* Resource limits for the Hurd.
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. */
#ifndef _HURD_RESOURCE_H
#define _HURD_RESOURCE_H
#include <sys/types.h>
#include <sys/resource.h>
#include <errno.h>
#include <hurd/process.h>
/* This array contains the current resource limits for the process. */
extern struct rlimit _hurd_rlimits[RLIM_NLIMITS];
extern struct mutex _hurd_rlimit_lock; /* Locks _hurd_rlimits. */
/* Helper function for getpriority and setpriority. Maps FN over all the
processes specified by WHICH and WHO. PI is non-null if a
proc_getprocinfo was already done; FN may use *PI arbitrarily, it is
reset on the next call. Returns FN's result the first time it returns
nonzero. If FN never returns nonzero, this returns zero. */
extern error_t _hurd_priority_which_map (enum __priority_which which, int who,
error_t (*fn) (pid_t pid,
struct procinfo *pi));
/* Convert between Mach priority values and the priority
values used by getpriority, setpriority, and nice. */
#define MACH_PRIORITY_TO_NICE(prio) (2 * ((prio) - 12))
#define NICE_TO_MACH_PRIORITY(nice) (12 + ((nice) / 2))
#endif
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