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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 Lesser General Public

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License as published by the Free Software Foundation; either

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version 2.1 of the 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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Lesser General Public License for more details.

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You should have received a copy of the GNU Lesser General Public

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License along with the GNU C Library; if not, see

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<http://www.gnu.org/licenses/>. */

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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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/* Get the system-dependent definitions of structures and bit values. */

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#include <bits/resource.h>

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#ifndef __id_t_defined

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typedef __id_t id_t;

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# define __id_t_defined

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#endif

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__BEGIN_DECLS

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/* The X/Open standard defines that all the functions below must use

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`int' as the type for the first argument. When we are compiling with

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GNU extensions we change this slightly to provide better error

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checking. */

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#if defined __USE_GNU && !defined __cplusplus

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typedef enum __rlimit_resource __rlimit_resource_t;

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typedef enum __rusage_who __rusage_who_t;

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typedef enum __priority_which __priority_which_t;

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#else

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typedef int __rlimit_resource_t;

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typedef int __rusage_who_t;

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typedef int __priority_which_t;

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#endif

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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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#ifndef __USE_FILE_OFFSET64

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extern int getrlimit (__rlimit_resource_t __resource,

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struct rlimit *__rlimits) __THROW;

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#else

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# ifdef __REDIRECT_NTH

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extern int __REDIRECT_NTH (getrlimit, (__rlimit_resource_t __resource,

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struct rlimit *__rlimits), getrlimit64);

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# else

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# define getrlimit getrlimit64

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# endif

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#endif

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#ifdef __USE_LARGEFILE64

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extern int getrlimit64 (__rlimit_resource_t __resource,

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struct rlimit64 *__rlimits) __THROW;

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#endif

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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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#ifndef __USE_FILE_OFFSET64

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extern int setrlimit (__rlimit_resource_t __resource,

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const struct rlimit *__rlimits) __THROW;

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#else

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# ifdef __REDIRECT_NTH

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extern int __REDIRECT_NTH (setrlimit, (__rlimit_resource_t __resource,

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const struct rlimit *__rlimits),

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setrlimit64);

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# else

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# define setrlimit setrlimit64

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# endif

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#endif

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#ifdef __USE_LARGEFILE64

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extern int setrlimit64 (__rlimit_resource_t __resource,

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const struct rlimit64 *__rlimits) __THROW;

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#endif

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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 (__rusage_who_t __who, struct rusage *__usage) __THROW;

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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 (__priority_which_t __which, id_t __who) __THROW;

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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 (__priority_which_t __which, id_t __who, int __prio)

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__THROW;

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__END_DECLS

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#endif /* sys/resource.h */

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