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1.1 root 1: /*
2: * Copyright (c) 1982, 1986 The Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
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. All advertising materials mentioning features or use of this software
14: * must display the following acknowledgement:
15: * This product includes software developed by the University of
16: * California, Berkeley and its contributors.
17: * 4. Neither the name of the University nor the names of its contributors
18: * may be used to endorse or promote products derived from this software
19: * without specific prior written permission.
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31: * SUCH DAMAGE.
32: *
33: * @(#)resource.h 7.5 (Berkeley) 3/17/91
34: */
35:
36: #ifndef _RESOURCE_H_
37: #define _RESOURCE_H_
38:
39: /*
40: * Process priority specifications to get/setpriority.
41: */
42: #define PRIO_MIN -20
43: #define PRIO_MAX 20
44:
45: #define PRIO_PROCESS 0
46: #define PRIO_PGRP 1
47: #define PRIO_USER 2
48:
49: /*
50: * Resource utilization information.
51: */
52:
53: #define RUSAGE_SELF 0
54: #define RUSAGE_CHILDREN -1
55:
56: struct rusage {
57: struct timeval ru_utime; /* user time used */
58: struct timeval ru_stime; /* system time used */
59: long ru_maxrss; /* max resident set size */
60: #define ru_first ru_ixrss
61: long ru_ixrss; /* integral shared memory size */
62: long ru_idrss; /* integral unshared data " */
63: long ru_isrss; /* integral unshared stack " */
64: long ru_minflt; /* page reclaims */
65: long ru_majflt; /* page faults */
66: long ru_nswap; /* swaps */
67: long ru_inblock; /* block input operations */
68: long ru_oublock; /* block output operations */
69: long ru_msgsnd; /* messages sent */
70: long ru_msgrcv; /* messages received */
71: long ru_nsignals; /* signals received */
72: long ru_nvcsw; /* voluntary context switches */
73: long ru_nivcsw; /* involuntary " */
74: #define ru_last ru_nivcsw
75: };
76:
77: /*
78: * Resource limits
79: */
80: #define RLIMIT_CPU 0 /* cpu time in milliseconds */
81: #define RLIMIT_FSIZE 1 /* maximum file size */
82: #define RLIMIT_DATA 2 /* data size */
83: #define RLIMIT_STACK 3 /* stack size */
84: #define RLIMIT_CORE 4 /* core file size */
85: #define RLIMIT_RSS 5 /* resident set size */
86: #define RLIMIT_MEMLOCK 6 /* locked-in-memory address space */
87: #define RLIMIT_NPROC 7 /* number of processes */
88: #define RLIMIT_OFILE 8 /* number of open files */
89:
90: #define RLIM_NLIMITS 9 /* number of resource limits */
91:
92: #define RLIM_INFINITY 0x7fffffff
93:
94: struct rlimit {
95: long rlim_cur; /* current (soft) limit */
96: long rlim_max; /* maximum value for rlim_cur */
97: };
98:
99: #ifndef KERNEL
100: #include <sys/cdefs.h>
101:
102: __BEGIN_DECLS
103: int getpriority __P((int, int));
104: int getrlimit __P((int, struct rlimit *));
105: int getrusage __P((int, struct rusage *));
106: int setpriority __P((int, int, int));
107: int setrlimit __P((int, const struct rlimit *));
108: __END_DECLS
109:
110: #endif /* !KERNEL */
111: #endif /* !_RESOURCE_H_ */
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