Root/include/asm-generic/resource.h

1#ifndef _ASM_GENERIC_RESOURCE_H
2#define _ASM_GENERIC_RESOURCE_H
3
4/*
5 * Resource limit IDs
6 *
7 * ( Compatibility detail: there are architectures that have
8 * a different rlimit ID order in the 5-9 range and want
9 * to keep that order for binary compatibility. The reasons
10 * are historic and all new rlimits are identical across all
11 * arches. If an arch has such special order for some rlimits
12 * then it defines them prior including asm-generic/resource.h. )
13 */
14
15#define RLIMIT_CPU 0 /* CPU time in sec */
16#define RLIMIT_FSIZE 1 /* Maximum filesize */
17#define RLIMIT_DATA 2 /* max data size */
18#define RLIMIT_STACK 3 /* max stack size */
19#define RLIMIT_CORE 4 /* max core file size */
20
21#ifndef RLIMIT_RSS
22# define RLIMIT_RSS 5 /* max resident set size */
23#endif
24
25#ifndef RLIMIT_NPROC
26# define RLIMIT_NPROC 6 /* max number of processes */
27#endif
28
29#ifndef RLIMIT_NOFILE
30# define RLIMIT_NOFILE 7 /* max number of open files */
31#endif
32
33#ifndef RLIMIT_MEMLOCK
34# define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
35#endif
36
37#ifndef RLIMIT_AS
38# define RLIMIT_AS 9 /* address space limit */
39#endif
40
41#define RLIMIT_LOCKS 10 /* maximum file locks held */
42#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
43#define RLIMIT_MSGQUEUE 12 /* maximum bytes in POSIX mqueues */
44#define RLIMIT_NICE 13 /* max nice prio allowed to raise to
45                       0-39 for nice level 19 .. -20 */
46#define RLIMIT_RTPRIO 14 /* maximum realtime priority */
47#define RLIMIT_RTTIME 15 /* timeout for RT tasks in us */
48#define RLIM_NLIMITS 16
49
50/*
51 * SuS says limits have to be unsigned.
52 * Which makes a ton more sense anyway.
53 *
54 * Some architectures override this (for compatibility reasons):
55 */
56#ifndef RLIM_INFINITY
57# define RLIM_INFINITY (~0UL)
58#endif
59
60/*
61 * RLIMIT_STACK default maximum - some architectures override it:
62 */
63#ifndef _STK_LIM_MAX
64# define _STK_LIM_MAX RLIM_INFINITY
65#endif
66
67#ifdef __KERNEL__
68
69/*
70 * boot-time rlimit defaults for the init task:
71 */
72#define INIT_RLIMITS \
73{ \
74    [RLIMIT_CPU] = { RLIM_INFINITY, RLIM_INFINITY }, \
75    [RLIMIT_FSIZE] = { RLIM_INFINITY, RLIM_INFINITY }, \
76    [RLIMIT_DATA] = { RLIM_INFINITY, RLIM_INFINITY }, \
77    [RLIMIT_STACK] = { _STK_LIM, _STK_LIM_MAX }, \
78    [RLIMIT_CORE] = { 0, RLIM_INFINITY }, \
79    [RLIMIT_RSS] = { RLIM_INFINITY, RLIM_INFINITY }, \
80    [RLIMIT_NPROC] = { 0, 0 }, \
81    [RLIMIT_NOFILE] = { INR_OPEN, INR_OPEN }, \
82    [RLIMIT_MEMLOCK] = { MLOCK_LIMIT, MLOCK_LIMIT }, \
83    [RLIMIT_AS] = { RLIM_INFINITY, RLIM_INFINITY }, \
84    [RLIMIT_LOCKS] = { RLIM_INFINITY, RLIM_INFINITY }, \
85    [RLIMIT_SIGPENDING] = { 0, 0 }, \
86    [RLIMIT_MSGQUEUE] = { MQ_BYTES_MAX, MQ_BYTES_MAX }, \
87    [RLIMIT_NICE] = { 0, 0 }, \
88    [RLIMIT_RTPRIO] = { 0, 0 }, \
89    [RLIMIT_RTTIME] = { RLIM_INFINITY, RLIM_INFINITY }, \
90}
91
92#endif /* __KERNEL__ */
93
94#endif
95

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