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1da177e4 LT |
1 | #ifndef _LINUX_RESOURCE_H |
2 | #define _LINUX_RESOURCE_H | |
3 | ||
4 | #include <linux/time.h> | |
5 | ||
6 | /* | |
7 | * Resource control/accounting header file for linux | |
8 | */ | |
9 | ||
10 | /* | |
11 | * Definition of struct rusage taken from BSD 4.3 Reno | |
12 | * | |
13 | * We don't support all of these yet, but we might as well have them.... | |
14 | * Otherwise, each time we add new items, programs which depend on this | |
15 | * structure will lose. This reduces the chances of that happening. | |
16 | */ | |
17 | #define RUSAGE_SELF 0 | |
18 | #define RUSAGE_CHILDREN (-1) | |
19 | #define RUSAGE_BOTH (-2) /* sys_wait4() uses this */ | |
679c9cd4 | 20 | #define RUSAGE_THREAD 1 /* only the calling thread */ |
1da177e4 LT |
21 | |
22 | struct rusage { | |
23 | struct timeval ru_utime; /* user time used */ | |
24 | struct timeval ru_stime; /* system time used */ | |
25 | long ru_maxrss; /* maximum resident set size */ | |
26 | long ru_ixrss; /* integral shared memory size */ | |
27 | long ru_idrss; /* integral unshared data size */ | |
28 | long ru_isrss; /* integral unshared stack size */ | |
29 | long ru_minflt; /* page reclaims */ | |
30 | long ru_majflt; /* page faults */ | |
31 | long ru_nswap; /* swaps */ | |
32 | long ru_inblock; /* block input operations */ | |
33 | long ru_oublock; /* block output operations */ | |
34 | long ru_msgsnd; /* messages sent */ | |
35 | long ru_msgrcv; /* messages received */ | |
36 | long ru_nsignals; /* signals received */ | |
37 | long ru_nvcsw; /* voluntary context switches */ | |
38 | long ru_nivcsw; /* involuntary " */ | |
39 | }; | |
40 | ||
41 | struct rlimit { | |
42 | unsigned long rlim_cur; | |
43 | unsigned long rlim_max; | |
44 | }; | |
45 | ||
46 | #define PRIO_MIN (-20) | |
47 | #define PRIO_MAX 20 | |
48 | ||
49 | #define PRIO_PROCESS 0 | |
50 | #define PRIO_PGRP 1 | |
51 | #define PRIO_USER 2 | |
52 | ||
53 | /* | |
54 | * Limit the stack by to some sane default: root can always | |
55 | * increase this limit if needed.. 8MB seems reasonable. | |
56 | */ | |
57 | #define _STK_LIM (8*1024*1024) | |
58 | ||
59 | /* | |
08334222 | 60 | * GPG2 wants 64kB of mlocked memory, to make sure pass phrases |
1da177e4 LT |
61 | * and other sensitive information are never written to disk. |
62 | */ | |
08334222 | 63 | #define MLOCK_LIMIT ((PAGE_SIZE > 64*1024) ? PAGE_SIZE : 64*1024) |
1da177e4 LT |
64 | |
65 | /* | |
66 | * Due to binary compatibility, the actual resource numbers | |
67 | * may be different for different linux versions.. | |
68 | */ | |
69 | #include <asm/resource.h> | |
70 | ||
96d07d21 JS |
71 | #ifdef __KERNEL__ |
72 | ||
73 | struct task_struct; | |
74 | ||
83cc5ed3 AB |
75 | int getrusage(struct task_struct *p, int who, struct rusage __user *ru); |
76 | ||
96d07d21 JS |
77 | #endif /* __KERNEL__ */ |
78 | ||
1da177e4 | 79 | #endif |