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Diffstat (limited to 'hurd/hurd/resource.h')
-rw-r--r-- | hurd/hurd/resource.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/hurd/hurd/resource.h b/hurd/hurd/resource.h new file mode 100644 index 0000000000..ad2a61ab42 --- /dev/null +++ b/hurd/hurd/resource.h @@ -0,0 +1,50 @@ +/* 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 |