2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1982, 1986, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * @(#)resource.h 8.4 (Berkeley) 1/9/95
35 #ifndef _SYS_RESOURCE_H_
36 #define _SYS_RESOURCE_H_
38 #include <sys/cdefs.h>
39 #include <sys/_timeval.h>
40 #include <sys/_types.h>
42 #ifndef _ID_T_DECLARED
44 #define _ID_T_DECLARED
47 #ifndef _RLIM_T_DECLARED
48 typedef __rlim_t rlim_t;
49 #define _RLIM_T_DECLARED
53 * Process priority specifications to get/setpriority.
58 #define PRIO_PROCESS 0
63 * Resource utilization information.
65 * All fields are only modified by curthread and
66 * no locks are required to read.
70 #define RUSAGE_CHILDREN -1
71 #define RUSAGE_THREAD 1
74 struct timeval ru_utime; /* user time used */
75 struct timeval ru_stime; /* system time used */
76 long ru_maxrss; /* max resident set size */
77 #define ru_first ru_ixrss
78 long ru_ixrss; /* integral shared memory size */
79 long ru_idrss; /* integral unshared data " */
80 long ru_isrss; /* integral unshared stack " */
81 long ru_minflt; /* page reclaims */
82 long ru_majflt; /* page faults */
83 long ru_nswap; /* swaps */
84 long ru_inblock; /* block input operations */
85 long ru_oublock; /* block output operations */
86 long ru_msgsnd; /* messages sent */
87 long ru_msgrcv; /* messages received */
88 long ru_nsignals; /* signals received */
89 long ru_nvcsw; /* voluntary context switches */
90 long ru_nivcsw; /* involuntary " */
91 #define ru_last ru_nivcsw
96 struct rusage wru_self;
97 struct rusage wru_children;
104 #define RLIMIT_CPU 0 /* maximum cpu time in seconds */
105 #define RLIMIT_FSIZE 1 /* maximum file size */
106 #define RLIMIT_DATA 2 /* data size */
107 #define RLIMIT_STACK 3 /* stack size */
108 #define RLIMIT_CORE 4 /* core file size */
109 #define RLIMIT_RSS 5 /* resident set size */
110 #define RLIMIT_MEMLOCK 6 /* locked-in-memory address space */
111 #define RLIMIT_NPROC 7 /* number of processes */
112 #define RLIMIT_NOFILE 8 /* number of open files */
113 #define RLIMIT_SBSIZE 9 /* maximum size of all socket buffers */
114 #define RLIMIT_VMEM 10 /* virtual process size (incl. mmap) */
115 #define RLIMIT_AS RLIMIT_VMEM /* standard name for RLIMIT_VMEM */
116 #define RLIMIT_NPTS 11 /* pseudo-terminals */
117 #define RLIMIT_SWAP 12 /* swap used */
118 #define RLIMIT_KQUEUES 13 /* kqueues allocated */
119 #define RLIMIT_UMTXP 14 /* process-shared umtx */
121 #define RLIM_NLIMITS 15 /* number of resource limits */
123 #define RLIM_INFINITY ((rlim_t)(((__uint64_t)1 << 63) - 1))
124 #define RLIM_SAVED_MAX RLIM_INFINITY
125 #define RLIM_SAVED_CUR RLIM_INFINITY
128 * Resource limit string identifiers
132 static const char *rlimit_ident[RLIM_NLIMITS] = {
152 rlim_t rlim_cur; /* current (soft) limit */
153 rlim_t rlim_max; /* maximum value for rlim_cur */
159 __int32_t rlim_cur; /* current (soft) limit */
160 __int32_t rlim_max; /* maximum value for rlim_cur */
175 #endif /* __BSD_VISIBLE */
179 extern struct loadavg averunnable;
180 void read_cpu_time(long *cp_time); /* Writes array of CPUSTATES */
185 /* XXX 2nd arg to [gs]etpriority() should be an id_t */
186 int getpriority(int, int);
187 int getrlimit(int, struct rlimit *);
188 int getrusage(int, struct rusage *);
189 int setpriority(int, int, int);
190 int setrlimit(int, const struct rlimit *);
194 #endif /* !_SYS_RESOURCE_H_ */