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1 /* $NetBSD: resource.h,v 1.29 2006/07/23 22:06:14 ad Exp $ */
4 * Copyright (c) 1982, 1986, 1993
5 * The Regents of the University of California. All rights reserved.
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8 * modification, are permitted provided that the following conditions
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11 * notice, this list of conditions and the following disclaimer.
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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.
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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)
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31 * @(#)resource.h 8.4 (Berkeley) 1/9/95
34 #ifndef _SYS_RESOURCE_H_
35 #define _SYS_RESOURCE_H_
37 #include <sys/featuretest.h>
41 * Process priority specifications to get/setpriority.
46 #define PRIO_PROCESS 0
51 * Resource utilization information.
55 #define RUSAGE_CHILDREN -1
58 struct timeval ru_utime
; /* user time used */
59 struct timeval ru_stime
; /* system time used */
60 long ru_maxrss
; /* max resident set size */
62 #define ru_first ru_ixrss
64 long ru_ixrss
; /* integral shared memory size */
65 long ru_idrss
; /* integral unshared data " */
66 long ru_isrss
; /* integral unshared stack " */
67 long ru_minflt
; /* page reclaims */
68 long ru_majflt
; /* page faults */
69 long ru_nswap
; /* swaps */
70 long ru_inblock
; /* block input operations */
71 long ru_oublock
; /* block output operations */
72 long ru_msgsnd
; /* messages sent */
73 long ru_msgrcv
; /* messages received */
74 long ru_nsignals
; /* signals received */
75 long ru_nvcsw
; /* voluntary context switches */
76 long ru_nivcsw
; /* involuntary " */
78 #define ru_last ru_nivcsw
85 #define RLIMIT_CPU 0 /* cpu time in milliseconds */
86 #define RLIMIT_FSIZE 1 /* maximum file size */
87 #define RLIMIT_DATA 2 /* data size */
88 #define RLIMIT_STACK 3 /* stack size */
89 #define RLIMIT_CORE 4 /* core file size */
90 #define RLIMIT_RSS 5 /* resident set size */
91 #define RLIMIT_MEMLOCK 6 /* locked-in-memory address space */
92 #define RLIMIT_NPROC 7 /* number of processes */
93 #define RLIMIT_NOFILE 8 /* number of open files */
94 #define RLIMIT_SBSIZE 9 /* maximum size of all socket buffers */
96 #if defined(_NETBSD_SOURCE)
97 #define RLIM_NLIMITS 10 /* number of resource limits */
100 #define RLIM_INFINITY (~((u_quad_t)1 << 63)) /* no limit */
101 #define RLIM_SAVED_MAX RLIM_INFINITY /* unrepresentable hard limit */
102 #define RLIM_SAVED_CUR RLIM_INFINITY /* unrepresentable soft limit */
105 /* 4.3BSD compatibility rlimit argument structure. */
107 int32_t rlim_cur
; /* current (soft) limit */
108 int32_t rlim_max
; /* maximum value for rlim_cur */
113 rlim_t rlim_cur
; /* current (soft) limit */
114 rlim_t rlim_max
; /* maximum value for rlim_cur */
117 #if defined(_NETBSD_SOURCE)
118 /* Load average structure. */
126 extern struct loadavg averunnable
;
128 int dosetrlimit(struct lwp
*, struct proc
*, int, struct rlimit
*);
129 int donice(struct lwp
*, struct proc
*, int);
132 #include <sys/EfiCdefs.h>
135 int getpriority(int, id_t
);
136 int getrlimit(int, struct rlimit
*);
137 int getrusage(int, struct rusage
*);
138 int setpriority(int, id_t
, int);
139 int setrlimit(int, const struct rlimit
*);
143 #endif /* !_SYS_RESOURCE_H_ */