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