1 #ifndef _LINUX_RESOURCE_H
2 #define _LINUX_RESOURCE_H
3
4 /*
5 * Resource control/accounting header file for linux
6 */
7
8 /*
9 * Definition of struct rusage taken from BSD 4.3 Reno
10 *
11 * We don't support all of these yet, but we might as well have them....
12 * Otherwise, each time we add new items, programs which depend on this
13 * structure will lose. This reduces the chances of that happening.
14 */
15 #define RUSAGE_SELF 0
16 #define RUSAGE_CHILDREN -1
17 #define RUSAGE_BOTH -2 /* sys_wait4() uses this */
18
19 struct rusage {
20 struct timeval ru_utime; /* user time used */
21 struct timeval ru_stime; /* system time used */
22 long ru_maxrss; /* maximum resident set size */
23 long ru_ixrss; /* integral shared memory size */
24 long ru_idrss; /* integral unshared data size */
25 long ru_isrss; /* integral unshared stack size */
26 long ru_minflt; /* page reclaims */
27 long ru_majflt; /* page faults */
28 long ru_nswap; /* swaps */
29 long ru_inblock; /* block input operations */
30 long ru_oublock; /* block output operations */
31 long ru_msgsnd; /* messages sent */
32 long ru_msgrcv; /* messages received */
33 long ru_nsignals; /* signals received */
34 long ru_nvcsw; /* voluntary context switches */
35 long ru_nivcsw; /* involuntary " */
36 };
37
38 /*
39 * Resource limits
40 */
41
42 #define RLIMIT_CPU 0 /* CPU time in ms */
43 #define RLIMIT_FSIZE 1 /* Maximum filesize */
44 #define RLIMIT_DATA 2 /* max data size */
45 #define RLIMIT_STACK 3 /* max stack size */
46 #define RLIMIT_CORE 4 /* max core file size */
47 #define RLIMIT_RSS 5 /* max resident set size */
48
49 #ifdef notdef
50 #define RLIMIT_MEMLOCK 6 /* max locked-in-memory address space*/
51 #define RLIMIT_NPROC 7 /* max number of processes */
52 #define RLIMIT_OFILE 8 /* max number of open files */
53 #endif
54
55 #define RLIM_NLIMITS 6
56
57 #define RLIM_INFINITY 0x7fffffff
58
59 struct rlimit {
60 int rlim_cur;
61 int rlim_max;
62 };
63
64 #define PRIO_MIN -99
65 #define PRIO_MAX 14
66
67 #define PRIO_PROCESS 0
68 #define PRIO_PGRP 1
69 #define PRIO_USER 2
70
71 #endif