mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 06:20:06 +00:00
115 lines
3.9 KiB
C
115 lines
3.9 KiB
C
/* Copyright (C) 1992-2024 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _SYS_RESOURCE_H
|
|
#define _SYS_RESOURCE_H 1
|
|
|
|
#include <features.h>
|
|
|
|
/* Get the system-dependent definitions of structures and bit values. */
|
|
#include <bits/resource.h>
|
|
|
|
#ifndef __id_t_defined
|
|
typedef __id_t id_t;
|
|
# define __id_t_defined
|
|
#endif
|
|
|
|
__BEGIN_DECLS
|
|
|
|
/* The X/Open standard defines that all the functions below must use
|
|
`int' as the type for the first argument. When we are compiling with
|
|
GNU extensions we change this slightly to provide better error
|
|
checking. */
|
|
#if defined __USE_GNU && !defined __cplusplus
|
|
typedef enum __rlimit_resource __rlimit_resource_t;
|
|
typedef enum __rusage_who __rusage_who_t;
|
|
typedef enum __priority_which __priority_which_t;
|
|
#else
|
|
typedef int __rlimit_resource_t;
|
|
typedef int __rusage_who_t;
|
|
typedef int __priority_which_t;
|
|
#endif
|
|
|
|
/* Put the soft and hard limits for RESOURCE in *RLIMITS.
|
|
Returns 0 if successful, -1 if not (and sets errno). */
|
|
#ifndef __USE_FILE_OFFSET64
|
|
extern int getrlimit (__rlimit_resource_t __resource,
|
|
struct rlimit *__rlimits) __THROW __nonnull ((2));
|
|
#else
|
|
# ifdef __REDIRECT_NTH
|
|
extern int __REDIRECT_NTH (getrlimit, (__rlimit_resource_t __resource,
|
|
struct rlimit *__rlimits), getrlimit64)
|
|
__nonnull ((2));
|
|
# else
|
|
# define getrlimit getrlimit64
|
|
# endif
|
|
#endif
|
|
#ifdef __USE_LARGEFILE64
|
|
extern int getrlimit64 (__rlimit_resource_t __resource,
|
|
struct rlimit64 *__rlimits) __THROW __nonnull ((2));
|
|
#endif
|
|
|
|
/* Set the soft and hard limits for RESOURCE to *RLIMITS.
|
|
Only the super-user can increase hard limits.
|
|
Return 0 if successful, -1 if not (and sets errno). */
|
|
#ifndef __USE_FILE_OFFSET64
|
|
extern int setrlimit (__rlimit_resource_t __resource,
|
|
const struct rlimit *__rlimits) __THROW __nonnull ((2));
|
|
#else
|
|
# ifdef __REDIRECT_NTH
|
|
extern int __REDIRECT_NTH (setrlimit, (__rlimit_resource_t __resource,
|
|
const struct rlimit *__rlimits),
|
|
setrlimit64) __nonnull ((2));
|
|
# else
|
|
# define setrlimit setrlimit64
|
|
# endif
|
|
#endif
|
|
#ifdef __USE_LARGEFILE64
|
|
extern int setrlimit64 (__rlimit_resource_t __resource,
|
|
const struct rlimit64 *__rlimits) __THROW
|
|
__nonnull ((2));
|
|
#endif
|
|
|
|
/* Return resource usage information on process indicated by WHO
|
|
and put it in *USAGE. Returns 0 for success, -1 for failure. */
|
|
extern int getrusage (__rusage_who_t __who, struct rusage *__usage) __THROW;
|
|
|
|
#ifdef __USE_TIME_BITS64
|
|
# if defined(__REDIRECT_NTH)
|
|
extern int __REDIRECT_NTH (getrusage, (__rusage_who_t __who,
|
|
struct rusage *__usage),
|
|
__getrusage64);
|
|
# else
|
|
# define getrusage __getrusage64
|
|
# endif
|
|
#endif
|
|
|
|
/* Return the highest priority of any process specified by WHICH and WHO
|
|
(see above); 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 (above). */
|
|
extern int getpriority (__priority_which_t __which, id_t __who) __THROW;
|
|
|
|
/* Set the priority of all processes specified by WHICH and WHO (see above)
|
|
to PRIO. Returns 0 on success, -1 on errors. */
|
|
extern int setpriority (__priority_which_t __which, id_t __who, int __prio)
|
|
__THROW;
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* sys/resource.h */
|