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/* Copyright (C) 1992-2018 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 <http://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; #else # ifdef __REDIRECT_NTH extern int __REDIRECT_NTH (getrlimit, (__rlimit_resource_t __resource, struct rlimit *__rlimits), getrlimit64); # else # define getrlimit getrlimit64 # endif #endif #ifdef __USE_LARGEFILE64 extern int getrlimit64 (__rlimit_resource_t __resource, struct rlimit64 *__rlimits) __THROW; #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; #else # ifdef __REDIRECT_NTH extern int __REDIRECT_NTH (setrlimit, (__rlimit_resource_t __resource, const struct rlimit *__rlimits), setrlimit64); # else # define setrlimit setrlimit64 # endif #endif #ifdef __USE_LARGEFILE64 extern int setrlimit64 (__rlimit_resource_t __resource, const struct rlimit64 *__rlimits) __THROW; #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; /* 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 */