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2aa62f2b 1/* $NetBSD: resource.h,v 1.29 2006/07/23 22:06:14 ad Exp $ */\r
2\r
3/*\r
4 * Copyright (c) 1982, 1986, 1993\r
5 * The Regents of the University of California. All rights reserved.\r
6 *\r
7 * Redistribution and use in source and binary forms, with or without\r
8 * modification, are permitted provided that the following conditions\r
9 * are met:\r
10 * 1. Redistributions of source code must retain the above copyright\r
11 * notice, this list of conditions and the following disclaimer.\r
12 * 2. Redistributions in binary form must reproduce the above copyright\r
13 * notice, this list of conditions and the following disclaimer in the\r
14 * documentation and/or other materials provided with the distribution.\r
15 * 3. Neither the name of the University nor the names of its contributors\r
16 * may be used to endorse or promote products derived from this software\r
17 * without specific prior written permission.\r
18 *\r
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r
29 * SUCH DAMAGE.\r
30 *\r
31 * @(#)resource.h 8.4 (Berkeley) 1/9/95\r
32 */\r
33\r
34#ifndef _SYS_RESOURCE_H_\r
35#define _SYS_RESOURCE_H_\r
36\r
37#include <sys/featuretest.h>\r
38#include <sys/time.h>\r
39\r
40/*\r
41 * Process priority specifications to get/setpriority.\r
42 */\r
43#define PRIO_MIN -20\r
44#define PRIO_MAX 20\r
45\r
46#define PRIO_PROCESS 0\r
47#define PRIO_PGRP 1\r
48#define PRIO_USER 2\r
49\r
50/*\r
51 * Resource utilization information.\r
52 */\r
53\r
54#define RUSAGE_SELF 0\r
55#define RUSAGE_CHILDREN -1\r
56\r
57struct rusage {\r
58 struct timeval ru_utime; /* user time used */\r
59 struct timeval ru_stime; /* system time used */\r
60 long ru_maxrss; /* max resident set size */\r
61#ifdef _KERNEL\r
62#define ru_first ru_ixrss\r
63#endif\r
64 long ru_ixrss; /* integral shared memory size */\r
65 long ru_idrss; /* integral unshared data " */\r
66 long ru_isrss; /* integral unshared stack " */\r
67 long ru_minflt; /* page reclaims */\r
68 long ru_majflt; /* page faults */\r
69 long ru_nswap; /* swaps */\r
70 long ru_inblock; /* block input operations */\r
71 long ru_oublock; /* block output operations */\r
72 long ru_msgsnd; /* messages sent */\r
73 long ru_msgrcv; /* messages received */\r
74 long ru_nsignals; /* signals received */\r
75 long ru_nvcsw; /* voluntary context switches */\r
76 long ru_nivcsw; /* involuntary " */\r
77#ifdef _KERNEL\r
78#define ru_last ru_nivcsw\r
79#endif\r
80};\r
81\r
82/*\r
83 * Resource limits\r
84 */\r
85#define RLIMIT_CPU 0 /* cpu time in milliseconds */\r
86#define RLIMIT_FSIZE 1 /* maximum file size */\r
87#define RLIMIT_DATA 2 /* data size */\r
88#define RLIMIT_STACK 3 /* stack size */\r
89#define RLIMIT_CORE 4 /* core file size */\r
90#define RLIMIT_RSS 5 /* resident set size */\r
91#define RLIMIT_MEMLOCK 6 /* locked-in-memory address space */\r
92#define RLIMIT_NPROC 7 /* number of processes */\r
93#define RLIMIT_NOFILE 8 /* number of open files */\r
94#define RLIMIT_SBSIZE 9 /* maximum size of all socket buffers */\r
95\r
96#if defined(_NETBSD_SOURCE)\r
97#define RLIM_NLIMITS 10 /* number of resource limits */\r
98#endif\r
99\r
100#define RLIM_INFINITY (~((u_quad_t)1 << 63)) /* no limit */\r
101#define RLIM_SAVED_MAX RLIM_INFINITY /* unrepresentable hard limit */\r
102#define RLIM_SAVED_CUR RLIM_INFINITY /* unrepresentable soft limit */\r
103\r
104#if defined(_KERNEL)\r
105/* 4.3BSD compatibility rlimit argument structure. */\r
106struct orlimit {\r
107 int32_t rlim_cur; /* current (soft) limit */\r
108 int32_t rlim_max; /* maximum value for rlim_cur */\r
109};\r
110#endif\r
111\r
112struct rlimit {\r
113 rlim_t rlim_cur; /* current (soft) limit */\r
114 rlim_t rlim_max; /* maximum value for rlim_cur */\r
115};\r
116\r
117#if defined(_NETBSD_SOURCE)\r
118/* Load average structure. */\r
119struct loadavg {\r
120 fixpt_t ldavg[3];\r
121 long fscale;\r
122};\r
123#endif\r
124\r
125#ifdef _KERNEL\r
126extern struct loadavg averunnable;\r
127struct pcred;\r
128int dosetrlimit(struct lwp *, struct proc *, int, struct rlimit *);\r
129int donice(struct lwp *, struct proc *, int);\r
130\r
131#else\r
132#include <sys/EfiCdefs.h>\r
133\r
134__BEGIN_DECLS\r
135int getpriority(int, id_t);\r
136int getrlimit(int, struct rlimit *);\r
137int getrusage(int, struct rusage *);\r
138int setpriority(int, id_t, int);\r
139int setrlimit(int, const struct rlimit *);\r
140__END_DECLS\r
141\r
142#endif /* _KERNEL */\r
143#endif /* !_SYS_RESOURCE_H_ */\r