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1da177e4 LT |
1 | #ifndef _LINUX_RESOURCE_H |
2 | #define _LINUX_RESOURCE_H | |
3 | ||
4 | #include <linux/time.h> | |
8705a1ba | 5 | #include <linux/types.h> |
1da177e4 LT |
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 */ | |
679c9cd4 | 21 | #define RUSAGE_THREAD 1 /* only the calling thread */ |
1da177e4 LT |
22 | |
23 | struct rusage { | |
24 | struct timeval ru_utime; /* user time used */ | |
25 | struct timeval ru_stime; /* system time used */ | |
26 | long ru_maxrss; /* maximum resident set size */ | |
27 | long ru_ixrss; /* integral shared memory size */ | |
28 | long ru_idrss; /* integral unshared data size */ | |
29 | long ru_isrss; /* integral unshared stack size */ | |
30 | long ru_minflt; /* page reclaims */ | |
31 | long ru_majflt; /* page faults */ | |
32 | long ru_nswap; /* swaps */ | |
33 | long ru_inblock; /* block input operations */ | |
34 | long ru_oublock; /* block output operations */ | |
35 | long ru_msgsnd; /* messages sent */ | |
36 | long ru_msgrcv; /* messages received */ | |
37 | long ru_nsignals; /* signals received */ | |
38 | long ru_nvcsw; /* voluntary context switches */ | |
39 | long ru_nivcsw; /* involuntary " */ | |
40 | }; | |
41 | ||
42 | struct rlimit { | |
43 | unsigned long rlim_cur; | |
44 | unsigned long rlim_max; | |
45 | }; | |
46 | ||
6a1d5e2c JS |
47 | #define RLIM64_INFINITY (~0ULL) |
48 | ||
49 | struct rlimit64 { | |
50 | __u64 rlim_cur; | |
51 | __u64 rlim_max; | |
52 | }; | |
53 | ||
1da177e4 LT |
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 | /* | |
08334222 | 68 | * GPG2 wants 64kB of mlocked memory, to make sure pass phrases |
1da177e4 LT |
69 | * and other sensitive information are never written to disk. |
70 | */ | |
08334222 | 71 | #define MLOCK_LIMIT ((PAGE_SIZE > 64*1024) ? PAGE_SIZE : 64*1024) |
1da177e4 LT |
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 | ||
96d07d21 JS |
79 | #ifdef __KERNEL__ |
80 | ||
81 | struct task_struct; | |
82 | ||
83cc5ed3 | 83 | int getrusage(struct task_struct *p, int who, struct rusage __user *ru); |
5b41535a JS |
84 | int do_prlimit(struct task_struct *tsk, unsigned int resource, |
85 | struct rlimit *new_rlim, struct rlimit *old_rlim); | |
83cc5ed3 | 86 | |
96d07d21 JS |
87 | #endif /* __KERNEL__ */ |
88 | ||
1da177e4 | 89 | #endif |