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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 | /* Bit values & structures for resource limits. Linux/MIPS version. Copyright (C) 1994, 1996, 1997, 1998, 1999, 2000, 2004, 2005, 2006 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 # error "Never use <bits/resource.h> directly; include <sys/resource.h> instead." #endif #include <bits/types.h> /* Transmute defines to enumerations. The macro re-definitions are necessary because some programs want to test for operating system features with #ifdef RUSAGE_SELF. In ISO C the reflexive definition is a no-op. */ /* Kinds of resource limit. */ enum __rlimit_resource { /* Per-process CPU limit, in seconds. */ RLIMIT_CPU = 0, #define RLIMIT_CPU RLIMIT_CPU /* Largest file that can be created, in bytes. */ RLIMIT_FSIZE = 1, #define RLIMIT_FSIZE RLIMIT_FSIZE /* Maximum size of data segment, in bytes. */ RLIMIT_DATA = 2, #define RLIMIT_DATA RLIMIT_DATA /* Maximum size of stack segment, in bytes. */ RLIMIT_STACK = 3, #define RLIMIT_STACK RLIMIT_STACK /* Largest core file that can be created, in bytes. */ RLIMIT_CORE = 4, #define RLIMIT_CORE RLIMIT_CORE /* Largest resident set size, in bytes. This affects swapping; processes that are exceeding their resident set size will be more likely to have physical memory taken from them. */ __RLIMIT_RSS = 7, #define RLIMIT_RSS __RLIMIT_RSS /* Number of open files. */ RLIMIT_NOFILE = 5, __RLIMIT_OFILE = RLIMIT_NOFILE, /* BSD name for same. */ #define RLIMIT_NOFILE RLIMIT_NOFILE #define RLIMIT_OFILE __RLIMIT_OFILE /* Address space limit (?) */ RLIMIT_AS = 6, #define RLIMIT_AS RLIMIT_AS /* Number of processes. */ __RLIMIT_NPROC = 8, #define RLIMIT_NPROC __RLIMIT_NPROC /* Locked-in-memory address space. */ __RLIMIT_MEMLOCK = 9, #define RLIMIT_MEMLOCK __RLIMIT_MEMLOCK /* Maximum number of file locks. */ __RLIMIT_LOCKS = 10, #define RLIMIT_LOCKS __RLIMIT_LOCKS /* Maximum number of pending signals. */ __RLIMIT_SIGPENDING = 11, #define RLIMIT_SIGPENDING __RLIMIT_SIGPENDING /* Maximum bytes in POSIX message queues. */ __RLIMIT_MSGQUEUE = 12, #define RLIMIT_MSGQUEUE __RLIMIT_MSGQUEUE /* Maximum nice priority allowed to raise to. Nice levels 19 .. -20 correspond to 0 .. 39 values of this resource limit. */ __RLIMIT_NICE = 13, #define RLIMIT_NICE __RLIMIT_NICE /* Maximum realtime priority allowed for non-priviledged processes. */ __RLIMIT_RTPRIO = 14, #define RLIMIT_RTPRIO __RLIMIT_RTPRIO __RLIMIT_NLIMITS = 15, __RLIM_NLIMITS = __RLIMIT_NLIMITS #define RLIMIT_NLIMITS __RLIMIT_NLIMITS #define RLIM_NLIMITS __RLIM_NLIMITS }; /* Value to indicate that there is no limit. */ #if _MIPS_SIM == _ABI64 /* The N64 syscall uses this value. */ # define RLIM_INFINITY 0xffffffffffffffffUL # ifdef __USE_LARGEFILE64 # define RLIM64_INFINITY 0xffffffffffffffffUL # endif #else /* The O32 and N32 syscalls use 0x7fffffff. */ # ifndef __USE_FILE_OFFSET64 # define RLIM_INFINITY ((long int)(~0UL >> 1)) # else # define RLIM_INFINITY 0x7fffffffffffffffULL # endif # ifdef __USE_LARGEFILE64 # define RLIM64_INFINITY 0x7fffffffffffffffULL # endif #endif /* We can represent all limits. */ #define RLIM_SAVED_MAX RLIM_INFINITY #define RLIM_SAVED_CUR RLIM_INFINITY /* Type for resource quantity measurement. */ #ifndef __USE_FILE_OFFSET64 typedef __rlim_t rlim_t; #else typedef __rlim64_t rlim_t; #endif #ifdef __USE_LARGEFILE64 typedef __rlim64_t rlim64_t; #endif struct rlimit { /* The current (soft) limit. */ rlim_t rlim_cur; /* The hard limit. */ rlim_t rlim_max; }; #ifdef __USE_LARGEFILE64 struct rlimit64 { /* The current (soft) limit. */ rlim64_t rlim_cur; /* The hard limit. */ rlim64_t rlim_max; }; #endif /* Whose usage statistics do you want? */ enum __rusage_who { /* The calling process. */ RUSAGE_SELF = 0, #define RUSAGE_SELF RUSAGE_SELF /* All of its terminated child processes. */ RUSAGE_CHILDREN = -1 #define RUSAGE_CHILDREN RUSAGE_CHILDREN }; #define __need_timeval #include <bits/time.h> /* For `struct timeval'. */ /* Structure which says how much of each resource has been used. */ struct rusage { /* Total amount of user time used. */ struct timeval ru_utime; /* Total amount of system time used. */ struct timeval ru_stime; /* Maximum resident set size (in kilobytes). */ long int ru_maxrss; /* Amount of sharing of text segment memory with other processes (kilobyte-seconds). */ long int ru_ixrss; /* Amount of data segment memory used (kilobyte-seconds). */ long int ru_idrss; /* Amount of stack memory used (kilobyte-seconds). */ long int ru_isrss; /* Number of soft page faults (i.e. those serviced by reclaiming a page from the list of pages awaiting reallocation. */ long int ru_minflt; /* Number of hard page faults (i.e. those that required I/O). */ long int ru_majflt; /* Number of times a process was swapped out of physical memory. */ long int ru_nswap; /* Number of input operations via the file system. Note: This and `ru_oublock' do not include operations with the cache. */ long int ru_inblock; /* Number of output operations via the file system. */ long int ru_oublock; /* Number of IPC messages sent. */ long int ru_msgsnd; /* Number of IPC messages received. */ long int ru_msgrcv; /* Number of signals delivered. */ long int ru_nsignals; /* Number of voluntary context switches, i.e. because the process gave up the process before it had to (usually to wait for some resource to be available). */ long int ru_nvcsw; /* Number of involuntary context switches, i.e. a higher priority process became runnable or the current process used up its time slice. */ long int ru_nivcsw; }; /* Priority limits. */ #define PRIO_MIN -20 /* Minimum priority a process can have. */ #define PRIO_MAX 20 /* Maximum priority a process can have. */ /* The type of the WHICH argument to `getpriority' and `setpriority', indicating what flavor of entity the WHO argument specifies. */ enum __priority_which { PRIO_PROCESS = 0, /* WHO is a process ID. */ #define PRIO_PROCESS PRIO_PROCESS PRIO_PGRP = 1, /* WHO is a process group ID. */ #define PRIO_PGRP PRIO_PGRP PRIO_USER = 2 /* WHO is a user ID. */ #define PRIO_USER PRIO_USER }; |