1 #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 
23 struct	rusage {
24 	struct timeval ru_utime;	/* user time used */
25 	struct timeval ru_stime;	/* system time used */
26 	__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 " */
40 };
41 
42 struct rlimit {
43 	__kernel_ulong_t	rlim_cur;
44 	__kernel_ulong_t	rlim_max;
45 };
46 
47 #define RLIM64_INFINITY		(~0ULL)
48 
49 struct 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 */
81