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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
607ca46e DH |
2 | #ifndef _UAPI_LINUX_RESOURCE_H |
3 | #define _UAPI_LINUX_RESOURCE_H | |
4 | ||
5 | #include <linux/time.h> | |
6 | #include <linux/types.h> | |
7 | ||
8 | /* | |
9 | * Resource control/accounting header file for linux | |
10 | */ | |
11 | ||
12 | /* | |
13 | * Definition of struct rusage taken from BSD 4.3 Reno | |
14 | * | |
15 | * We don't support all of these yet, but we might as well have them.... | |
16 | * Otherwise, each time we add new items, programs which depend on this | |
17 | * structure will lose. This reduces the chances of that happening. | |
18 | */ | |
19 | #define RUSAGE_SELF 0 | |
20 | #define RUSAGE_CHILDREN (-1) | |
21 | #define RUSAGE_BOTH (-2) /* sys_wait4() uses this */ | |
22 | #define RUSAGE_THREAD 1 /* only the calling thread */ | |
23 | ||
24 | struct rusage { | |
bdd565f8 AB |
25 | struct __kernel_old_timeval ru_utime; /* user time used */ |
26 | struct __kernel_old_timeval ru_stime; /* system time used */ | |
b684bfed L |
27 | __kernel_long_t ru_maxrss; /* maximum resident set size */ |
28 | __kernel_long_t ru_ixrss; /* integral shared memory size */ | |
29 | __kernel_long_t ru_idrss; /* integral unshared data size */ | |
30 | __kernel_long_t ru_isrss; /* integral unshared stack size */ | |
31 | __kernel_long_t ru_minflt; /* page reclaims */ | |
32 | __kernel_long_t ru_majflt; /* page faults */ | |
33 | __kernel_long_t ru_nswap; /* swaps */ | |
34 | __kernel_long_t ru_inblock; /* block input operations */ | |
35 | __kernel_long_t ru_oublock; /* block output operations */ | |
36 | __kernel_long_t ru_msgsnd; /* messages sent */ | |
37 | __kernel_long_t ru_msgrcv; /* messages received */ | |
38 | __kernel_long_t ru_nsignals; /* signals received */ | |
39 | __kernel_long_t ru_nvcsw; /* voluntary context switches */ | |
40 | __kernel_long_t ru_nivcsw; /* involuntary " */ | |
607ca46e DH |
41 | }; |
42 | ||
43 | struct rlimit { | |
b684bfed L |
44 | __kernel_ulong_t rlim_cur; |
45 | __kernel_ulong_t rlim_max; | |
607ca46e DH |
46 | }; |
47 | ||
48 | #define RLIM64_INFINITY (~0ULL) | |
49 | ||
50 | struct rlimit64 { | |
51 | __u64 rlim_cur; | |
52 | __u64 rlim_max; | |
53 | }; | |
54 | ||
55 | #define PRIO_MIN (-20) | |
56 | #define PRIO_MAX 20 | |
57 | ||
58 | #define PRIO_PROCESS 0 | |
59 | #define PRIO_PGRP 1 | |
60 | #define PRIO_USER 2 | |
61 | ||
62 | /* | |
63 | * Limit the stack by to some sane default: root can always | |
64 | * increase this limit if needed.. 8MB seems reasonable. | |
65 | */ | |
66 | #define _STK_LIM (8*1024*1024) | |
67 | ||
68 | /* | |
9dcc38e2 DD |
69 | * Limit the amount of locked memory by some sane default: |
70 | * root can always increase this limit if needed. | |
71 | * | |
72 | * The main use-cases are (1) preventing sensitive memory | |
73 | * from being swapped; (2) real-time operations; (3) via | |
74 | * IOURING_REGISTER_BUFFERS. | |
75 | * | |
76 | * The first two don't need much. The latter will take as | |
77 | * much as it can get. 8MB is a reasonably sane default. | |
607ca46e | 78 | */ |
9dcc38e2 | 79 | #define MLOCK_LIMIT (8*1024*1024) |
607ca46e DH |
80 | |
81 | /* | |
82 | * Due to binary compatibility, the actual resource numbers | |
83 | * may be different for different linux versions.. | |
84 | */ | |
85 | #include <asm/resource.h> | |
86 | ||
87 | ||
88 | #endif /* _UAPI_LINUX_RESOURCE_H */ |