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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: *
1.1.1.2 ! root 33: * from: @(#)resource.h 7.5 (Berkeley) 3/17/91
! 34: * resource.h,v 1.3 1993/05/20 16:22:57 cgd Exp
1.1 root 35: */
36:
1.1.1.2 ! root 37: #ifndef _SYS_RESOURCE_H_
! 38: #define _SYS_RESOURCE_H_
1.1 root 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 ru_maxrss; /* max resident set size */
61: #define ru_first ru_ixrss
62: long ru_ixrss; /* integral shared memory size */
63: long ru_idrss; /* integral unshared data " */
64: long ru_isrss; /* 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: /*
79: * Resource limits
80: */
81: #define RLIMIT_CPU 0 /* cpu time in milliseconds */
82: #define RLIMIT_FSIZE 1 /* maximum file size */
83: #define RLIMIT_DATA 2 /* data size */
84: #define RLIMIT_STACK 3 /* stack size */
85: #define RLIMIT_CORE 4 /* core file size */
86: #define RLIMIT_RSS 5 /* resident set size */
87: #define RLIMIT_MEMLOCK 6 /* locked-in-memory address space */
88: #define RLIMIT_NPROC 7 /* number of processes */
89: #define RLIMIT_OFILE 8 /* number of open files */
90:
91: #define RLIM_NLIMITS 9 /* number of resource limits */
92:
93: #define RLIM_INFINITY 0x7fffffff
94:
95: struct rlimit {
96: long rlim_cur; /* current (soft) limit */
97: long rlim_max; /* maximum value for rlim_cur */
98: };
99:
100: #ifndef KERNEL
101: #include <sys/cdefs.h>
102:
103: __BEGIN_DECLS
104: int getpriority __P((int, int));
105: int getrlimit __P((int, struct rlimit *));
106: int getrusage __P((int, struct rusage *));
107: int setpriority __P((int, int, int));
108: int setrlimit __P((int, const struct rlimit *));
109: __END_DECLS
110:
111: #endif /* !KERNEL */
1.1.1.2 ! root 112:
! 113: #endif /* !_SYS_RESOURCE_H_ */
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