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David Howells607ca462012-10-13 10:46:48 +01001#ifndef _UAPI_LINUX_RESOURCE_H
2#define _UAPI_LINUX_RESOURCE_H
3
4#include <linux/time.h>
5#include <linux/types.h>
6
7/*
8 * Resource control/accounting header file for linux
9 */
10
11/*
12 * Definition of struct rusage taken from BSD 4.3 Reno
13 *
14 * We don't support all of these yet, but we might as well have them....
15 * Otherwise, each time we add new items, programs which depend on this
16 * structure will lose. This reduces the chances of that happening.
17 */
18#define RUSAGE_SELF 0
19#define RUSAGE_CHILDREN (-1)
20#define RUSAGE_BOTH (-2) /* sys_wait4() uses this */
21#define RUSAGE_THREAD 1 /* only the calling thread */
22
23struct rusage {
24 struct timeval ru_utime; /* user time used */
25 struct timeval ru_stime; /* system time used */
H.J. Lub684bfe2013-12-27 14:14:18 -080026 __kernel_long_t ru_maxrss; /* maximum resident set size */
27 __kernel_long_t ru_ixrss; /* integral shared memory size */
28 __kernel_long_t ru_idrss; /* integral unshared data size */
29 __kernel_long_t ru_isrss; /* integral unshared stack size */
30 __kernel_long_t ru_minflt; /* page reclaims */
31 __kernel_long_t ru_majflt; /* page faults */
32 __kernel_long_t ru_nswap; /* swaps */
33 __kernel_long_t ru_inblock; /* block input operations */
34 __kernel_long_t ru_oublock; /* block output operations */
35 __kernel_long_t ru_msgsnd; /* messages sent */
36 __kernel_long_t ru_msgrcv; /* messages received */
37 __kernel_long_t ru_nsignals; /* signals received */
38 __kernel_long_t ru_nvcsw; /* voluntary context switches */
39 __kernel_long_t ru_nivcsw; /* involuntary " */
David Howells607ca462012-10-13 10:46:48 +010040};
41
42struct rlimit {
H.J. Lub684bfe2013-12-27 14:14:18 -080043 __kernel_ulong_t rlim_cur;
44 __kernel_ulong_t rlim_max;
David Howells607ca462012-10-13 10:46:48 +010045};
46
47#define RLIM64_INFINITY (~0ULL)
48
49struct rlimit64 {
50 __u64 rlim_cur;
51 __u64 rlim_max;
52};
53
54#define PRIO_MIN (-20)
55#define PRIO_MAX 20
56
57#define PRIO_PROCESS 0
58#define PRIO_PGRP 1
59#define PRIO_USER 2
60
61/*
62 * Limit the stack by to some sane default: root can always
63 * increase this limit if needed.. 8MB seems reasonable.
64 */
65#define _STK_LIM (8*1024*1024)
66
67/*
68 * GPG2 wants 64kB of mlocked memory, to make sure pass phrases
69 * and other sensitive information are never written to disk.
70 */
71#define MLOCK_LIMIT ((PAGE_SIZE > 64*1024) ? PAGE_SIZE : 64*1024)
72
73/*
74 * Due to binary compatibility, the actual resource numbers
75 * may be different for different linux versions..
76 */
77#include <asm/resource.h>
78
79
80#endif /* _UAPI_LINUX_RESOURCE_H */