| 1 | /* Copyright (C) 1992,94,96,97,98,99,2000,2002 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, write to the Free |
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| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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| 17 | 02111-1307 USA. */ |
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| 18 | |
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| 19 | #ifndef _SYS_RESOURCE_H |
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| 20 | #define _SYS_RESOURCE_H 1 |
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| 21 | |
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| 22 | #include <features.h> |
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| 23 | |
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| 24 | /* Get the system-dependent definitions of structures and bit values. */ |
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| 25 | #include <bits/resource.h> |
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| 26 | |
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| 27 | #ifndef __id_t_defined |
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| 28 | typedef __id_t id_t; |
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| 29 | # define __id_t_defined |
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| 30 | #endif |
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| 31 | |
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| 32 | __BEGIN_DECLS |
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| 33 | |
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| 34 | /* The X/Open standard defines that all the functions below must use |
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| 35 | `int' as the type for the first argument. When we are compiling with |
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| 36 | GNU extensions we change this slightly to provide better error |
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| 37 | checking. */ |
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| 38 | #if defined __USE_GNU && !defined __cplusplus |
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| 39 | typedef enum __rlimit_resource __rlimit_resource_t; |
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| 40 | typedef enum __rusage_who __rusage_who_t; |
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| 41 | typedef enum __priority_which __priority_which_t; |
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| 42 | #else |
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| 43 | typedef int __rlimit_resource_t; |
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| 44 | typedef int __rusage_who_t; |
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| 45 | typedef int __priority_which_t; |
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| 46 | #endif |
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| 47 | |
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| 48 | /* Put the soft and hard limits for RESOURCE in *RLIMITS. |
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| 49 | Returns 0 if successful, -1 if not (and sets errno). */ |
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| 50 | #ifndef __USE_FILE_OFFSET64 |
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| 51 | extern int getrlimit (__rlimit_resource_t __resource, |
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| 52 | struct rlimit *__rlimits) __THROW; |
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| 53 | #else |
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| 54 | # ifdef __REDIRECT |
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| 55 | extern int __REDIRECT (getrlimit, (__rlimit_resource_t __resource, |
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| 56 | struct rlimit *__rlimits) __THROW, |
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| 57 | getrlimit64); |
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| 58 | # else |
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| 59 | # define getrlimit getrlimit64 |
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| 60 | # endif |
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| 61 | #endif |
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| 62 | #ifdef __USE_LARGEFILE64 |
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| 63 | extern int getrlimit64 (__rlimit_resource_t __resource, |
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| 64 | struct rlimit64 *__rlimits) __THROW; |
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| 65 | #endif |
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| 66 | |
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| 67 | /* Set the soft and hard limits for RESOURCE to *RLIMITS. |
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| 68 | Only the super-user can increase hard limits. |
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| 69 | Return 0 if successful, -1 if not (and sets errno). */ |
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| 70 | #ifndef __USE_FILE_OFFSET64 |
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| 71 | extern int setrlimit (__rlimit_resource_t __resource, |
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| 72 | __const struct rlimit *__rlimits) __THROW; |
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| 73 | #else |
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| 74 | # ifdef __REDIRECT |
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| 75 | extern int __REDIRECT (setrlimit, (__rlimit_resource_t __resource, |
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| 76 | __const struct rlimit *__rlimits) __THROW, |
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| 77 | setrlimit64); |
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| 78 | # else |
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| 79 | # define setrlimit setrlimit64 |
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| 80 | # endif |
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| 81 | #endif |
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| 82 | #ifdef __USE_LARGEFILE64 |
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| 83 | extern int setrlimit64 (__rlimit_resource_t __resource, |
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| 84 | __const struct rlimit64 *__rlimits) __THROW; |
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| 85 | #endif |
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| 86 | |
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| 87 | /* Return resource usage information on process indicated by WHO |
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| 88 | and put it in *USAGE. Returns 0 for success, -1 for failure. */ |
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| 89 | extern int getrusage (__rusage_who_t __who, struct rusage *__usage) __THROW; |
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| 90 | |
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| 91 | /* Return the highest priority of any process specified by WHICH and WHO |
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| 92 | (see above); if WHO is zero, the current process, process group, or user |
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| 93 | (as specified by WHO) is used. A lower priority number means higher |
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| 94 | priority. Priorities range from PRIO_MIN to PRIO_MAX (above). */ |
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| 95 | extern int getpriority (__priority_which_t __which, id_t __who) __THROW; |
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| 96 | |
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| 97 | /* Set the priority of all processes specified by WHICH and WHO (see above) |
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| 98 | to PRIO. Returns 0 on success, -1 on errors. */ |
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| 99 | extern int setpriority (__priority_which_t __which, id_t __who, int __prio) |
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| 100 | __THROW; |
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| 101 | |
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| 102 | __END_DECLS |
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| 103 | |
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| 104 | #endif /* sys/resource.h */ |
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