]>
git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/unix/sysv/linux/s390/s390-32/bits/resource.h
1 /* Bit values & structures for resource limits. Linux version.
2 Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 #ifndef _SYS_RESOURCE_H
21 # error "Never use <bits/resource.h> directly; include <sys/resource.h> instead."
24 #include <bits/types.h>
26 /* Transmute defines to enumerations. The macro re-definitions are
27 necessary because some programs want to test for operating system
28 features with #ifdef RUSAGE_SELF. In ISO C the reflexive
29 definition is a no-op. */
31 /* Kinds of resource limit. */
32 enum __rlimit_resource
34 /* Per-process CPU limit, in seconds. */
36 #define RLIMIT_CPU RLIMIT_CPU
38 /* Largest file that can be created, in bytes. */
40 #define RLIMIT_FSIZE RLIMIT_FSIZE
42 /* Maximum size of data segment, in bytes. */
44 #define RLIMIT_DATA RLIMIT_DATA
46 /* Maximum size of stack segment, in bytes. */
48 #define RLIMIT_STACK RLIMIT_STACK
50 /* Largest core file that can be created, in bytes. */
52 #define RLIMIT_CORE RLIMIT_CORE
54 /* Largest resident set size, in bytes.
55 This affects swapping; processes that are exceeding their
56 resident set size will be more likely to have physical memory
59 #define RLIMIT_RSS RLIMIT_RSS
61 /* Number of open files. */
63 RLIMIT_OFILE
= RLIMIT_NOFILE
, /* BSD name for same. */
64 #define RLIMIT_NOFILE RLIMIT_NOFILE
65 #define RLIMIT_OFILE RLIMIT_OFILE
67 /* Address space limit. */
69 #define RLIMIT_AS RLIMIT_AS
71 /* Number of processes. */
73 #define RLIMIT_NPROC RLIMIT_NPROC
75 /* Locked-in-memory address space. */
77 #define RLIMIT_MEMLOCK RLIMIT_MEMLOCK
79 /* Maximum number of file locks. */
81 #define RLIMIT_LOCKS RLIMIT_LOCKS
84 RLIM_NLIMITS
= RLIMIT_NLIMITS
85 #define RLIMIT_NLIMITS RLIMIT_NLIMITS
86 #define RLIM_NLIMITS RLIM_NLIMITS
89 /* Value to indicate that there is no limit. */
90 #ifndef __USE_FILE_OFFSET64
91 # define RLIM_INFINITY ((unsigned long int) (~0UL))
93 # define RLIM_INFINITY 0xffffffffffffffffuLL
96 #ifdef __USE_LARGEFILE64
97 # define RLIM64_INFINITY 0xffffffffffffffffuLL
100 /* We can represent all limits. */
101 #define RLIM_SAVED_MAX RLIM_INFINITY
102 #define RLIM_SAVED_CUR RLIM_INFINITY
105 /* Type for resource quantity measurement. */
106 #ifndef __USE_FILE_OFFSET64
107 typedef __rlim_t rlim_t
;
109 typedef __rlim64_t rlim_t
;
111 #ifdef __USE_LARGEFILE64
112 typedef __rlim64_t rlim64_t
;
117 /* The current (soft) limit. */
119 /* The hard limit. */
123 #ifdef __USE_LARGEFILE64
126 /* The current (soft) limit. */
128 /* The hard limit. */
133 /* Whose usage statistics do you want? */
136 /* The calling process. */
138 #define RUSAGE_SELF RUSAGE_SELF
140 /* All of its terminated child processes. */
141 RUSAGE_CHILDREN
= -1,
142 #define RUSAGE_CHILDREN RUSAGE_CHILDREN
146 #define RUSAGE_BOTH RUSAGE_BOTH
149 #define __need_timeval
150 #include <bits/time.h> /* For `struct timeval'. */
152 /* Structure which says how much of each resource has been used. */
155 /* Total amount of user time used. */
156 struct timeval ru_utime
;
157 /* Total amount of system time used. */
158 struct timeval ru_stime
;
159 /* Maximum resident set size (in kilobytes). */
161 /* Amount of sharing of text segment memory
162 with other processes (kilobyte-seconds). */
164 /* Amount of data segment memory used (kilobyte-seconds). */
166 /* Amount of stack memory used (kilobyte-seconds). */
168 /* Number of soft page faults (i.e. those serviced by reclaiming
169 a page from the list of pages awaiting reallocation. */
171 /* Number of hard page faults (i.e. those that required I/O). */
173 /* Number of times a process was swapped out of physical memory. */
175 /* Number of input operations via the file system. Note: This
176 and `ru_oublock' do not include operations with the cache. */
178 /* Number of output operations via the file system. */
180 /* Number of IPC messages sent. */
182 /* Number of IPC messages received. */
184 /* Number of signals delivered. */
185 long int ru_nsignals
;
186 /* Number of voluntary context switches, i.e. because the process
187 gave up the process before it had to (usually to wait for some
188 resource to be available). */
190 /* Number of involuntary context switches, i.e. a higher priority process
191 became runnable or the current process used up its time slice. */
195 /* Priority limits. */
196 #define PRIO_MIN -20 /* Minimum priority a process can have. */
197 #define PRIO_MAX 20 /* Maximum priority a process can have. */
199 /* The type of the WHICH argument to `getpriority' and `setpriority',
200 indicating what flavor of entity the WHO argument specifies. */
201 enum __priority_which
203 PRIO_PROCESS
= 0, /* WHO is a process ID. */
204 #define PRIO_PROCESS PRIO_PROCESS
205 PRIO_PGRP
= 1, /* WHO is a process group ID. */
206 #define PRIO_PGRP PRIO_PGRP
207 PRIO_USER
= 2 /* WHO is a user ID. */
208 #define PRIO_USER PRIO_USER