72 lines
3.0 KiB
C
72 lines
3.0 KiB
C
/* Copyright (C) 1992, 1994, 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _SYS_RESOURCE_H
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#define _SYS_RESOURCE_H 1
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#include <features.h>
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__BEGIN_DECLS
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/* Get the system-dependent definitions of structures and bit values. */
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#include <resourcebits.h>
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/* Put the soft and hard limits for RESOURCE in *RLIMITS.
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Returns 0 if successful, -1 if not (and sets errno). */
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extern int __getrlimit __P ((enum __rlimit_resource __resource,
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struct rlimit *__rlimits));
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extern int getrlimit __P ((enum __rlimit_resource __resource,
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struct rlimit *__rlimits));
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/* Set the soft and hard limits for RESOURCE to *RLIMITS.
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Only the super-user can increase hard limits.
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Return 0 if successful, -1 if not (and sets errno). */
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extern int setrlimit __P ((enum __rlimit_resource __resource,
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struct rlimit *__rlimits));
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/* Return resource usage information on process indicated by WHO
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and put it in *USAGE. Returns 0 for success, -1 for failure. */
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extern int __getrusage __P ((enum __rusage_who __who, struct rusage *__usage));
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extern int getrusage __P ((enum __rusage_who __who, struct rusage *__usage));
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/* Function depends on CMD:
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1 = Return the limit on the size of a file, in units of 512 bytes.
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2 = Set the limit on the size of a file to NEWLIMIT. Only the
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super-user can increase the limit.
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3 = Return the maximum possible address of the data segment.
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4 = Return the maximum number of files that the calling process can open.
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Returns -1 on errors. */
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extern long int __ulimit __P ((int __cmd, long int __newlimit));
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extern long int ulimit __P ((int __cmd, long int __newlimit));
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/* Return the highest priority of any process specified by WHICH and WHO
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(see above); if WHO is zero, the current process, process group, or user
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(as specified by WHO) is used. A lower priority number means higher
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priority. Priorities range from PRIO_MIN to PRIO_MAX (above). */
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extern int getpriority __P ((enum __priority_which __which, int __who));
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/* Set the priority of all processes specified by WHICH and WHO (see above)
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to PRIO. Returns 0 on success, -1 on errors. */
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extern int setpriority __P ((enum __priority_which __which, int __who,
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int __prio));
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__END_DECLS
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#endif /* resource.h */
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