1 | /* $NetBSD: resource.h,v 1.34 2016/04/02 20:38:40 christos Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1982, 1986, 1993 |
5 | * The Regents of the University of California. All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
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. |
18 | * |
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 |
29 | * SUCH DAMAGE. |
30 | * |
31 | * @(#)resource.h 8.4 (Berkeley) 1/9/95 |
32 | */ |
33 | |
34 | #ifndef _SYS_RESOURCE_H_ |
35 | #define _SYS_RESOURCE_H_ |
36 | |
37 | #include <sys/featuretest.h> |
38 | #include <sys/time.h> |
39 | |
40 | /* |
41 | * Process priority specifications to get/setpriority. |
42 | */ |
43 | #define PRIO_MIN -20 |
44 | #define PRIO_MAX 20 |
45 | |
46 | #define PRIO_PROCESS 0 |
47 | #define PRIO_PGRP 1 |
48 | #define PRIO_USER 2 |
49 | |
50 | /* |
51 | * Resource utilization information. |
52 | */ |
53 | |
54 | #define RUSAGE_SELF 0 |
55 | #define RUSAGE_CHILDREN -1 |
56 | |
57 | struct rusage { |
58 | struct timeval ru_utime; /* user time used */ |
59 | struct timeval ru_stime; /* system time used */ |
60 | long ; /* max resident set size */ |
61 | #define ru_first ru_ixrss |
62 | long ; /* integral shared memory size */ |
63 | long ; /* integral unshared data " */ |
64 | long ; /* integral unshared stack " */ |
65 | long ru_minflt; /* page reclaims */ |
66 | long ru_majflt; /* page faults */ |
67 | long ru_nswap; /* swaps */ |
68 | long ru_inblock; /* block input operations */ |
69 | long ru_oublock; /* block output operations */ |
70 | long ru_msgsnd; /* messages sent */ |
71 | long ru_msgrcv; /* messages received */ |
72 | long ru_nsignals; /* signals received */ |
73 | long ru_nvcsw; /* voluntary context switches */ |
74 | long ru_nivcsw; /* involuntary " */ |
75 | #define ru_last ru_nivcsw |
76 | }; |
77 | |
78 | #ifdef _NETBSD_SOURCE |
79 | struct wrusage { |
80 | struct rusage wru_self; |
81 | struct rusage wru_children; |
82 | }; |
83 | #endif |
84 | |
85 | /* |
86 | * Resource limits |
87 | */ |
88 | #define RLIMIT_CPU 0 /* cpu time in milliseconds */ |
89 | #define RLIMIT_FSIZE 1 /* maximum file size */ |
90 | #define RLIMIT_DATA 2 /* data size */ |
91 | #define RLIMIT_STACK 3 /* stack size */ |
92 | #define RLIMIT_CORE 4 /* core file size */ |
93 | #define 5 /* resident set size */ |
94 | #define RLIMIT_MEMLOCK 6 /* locked-in-memory address space */ |
95 | #define RLIMIT_NPROC 7 /* number of processes */ |
96 | #define RLIMIT_NOFILE 8 /* number of open files */ |
97 | #define RLIMIT_SBSIZE 9 /* maximum size of all socket buffers */ |
98 | #define RLIMIT_AS 10 /* virtual process size (inclusive of mmap) */ |
99 | #define RLIMIT_VMEM RLIMIT_AS /* common alias */ |
100 | #define RLIMIT_NTHR 11 /* number of threads */ |
101 | |
102 | #if defined(_NETBSD_SOURCE) |
103 | #define RLIM_NLIMITS 12 /* number of resource limits */ |
104 | #endif |
105 | |
106 | #define RLIM_INFINITY (~((u_quad_t)1 << 63)) /* no limit */ |
107 | #define RLIM_SAVED_MAX RLIM_INFINITY /* unrepresentable hard limit */ |
108 | #define RLIM_SAVED_CUR RLIM_INFINITY /* unrepresentable soft limit */ |
109 | |
110 | #if defined(_KERNEL) |
111 | /* 4.3BSD compatibility rlimit argument structure. */ |
112 | struct orlimit { |
113 | int32_t rlim_cur; /* current (soft) limit */ |
114 | int32_t rlim_max; /* maximum value for rlim_cur */ |
115 | }; |
116 | #endif |
117 | |
118 | struct rlimit { |
119 | rlim_t rlim_cur; /* current (soft) limit */ |
120 | rlim_t rlim_max; /* maximum value for rlim_cur */ |
121 | }; |
122 | |
123 | #if defined(_NETBSD_SOURCE) |
124 | /* Load average structure. */ |
125 | struct loadavg { |
126 | fixpt_t ldavg[3]; |
127 | long fscale; |
128 | }; |
129 | #endif |
130 | |
131 | #ifdef _KERNEL |
132 | extern struct loadavg averunnable; |
133 | struct pcred; |
134 | int dosetrlimit(struct lwp *, struct proc *, int, struct rlimit *); |
135 | #else |
136 | #include <sys/cdefs.h> |
137 | |
138 | __BEGIN_DECLS |
139 | int getpriority(int, id_t); |
140 | int getrlimit(int, struct rlimit *); |
141 | #ifndef __LIBC12_SOURCE__ |
142 | int getrusage(int, struct rusage *) __RENAME(__getrusage50); |
143 | #endif |
144 | int setpriority(int, id_t, int); |
145 | int setrlimit(int, const struct rlimit *); |
146 | __END_DECLS |
147 | |
148 | #endif /* _KERNEL */ |
149 | #endif /* !_SYS_RESOURCE_H_ */ |
150 | |