1 #ifndef _LINUX_RESOURCE_H
2 #define _LINUX_RESOURCE_H
4 #include <linux/time.h>
5 #include <linux/types.h>
8 * Resource control/accounting header file for linux
12 * Definition of struct rusage taken from BSD 4.3 Reno
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.
19 #define RUSAGE_CHILDREN (-1)
20 #define RUSAGE_BOTH (-2) /* sys_wait4() uses this */
21 #define RUSAGE_THREAD 1 /* only the calling thread */
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 " */
43 unsigned long rlim_cur
;
44 unsigned long rlim_max
;
47 #define RLIM64_INFINITY (~0ULL)
54 #define PRIO_MIN (-20)
57 #define PRIO_PROCESS 0
62 * Limit the stack by to some sane default: root can always
63 * increase this limit if needed.. 8MB seems reasonable.
65 #define _STK_LIM (8*1024*1024)
68 * GPG2 wants 64kB of mlocked memory, to make sure pass phrases
69 * and other sensitive information are never written to disk.
71 #define MLOCK_LIMIT ((PAGE_SIZE > 64*1024) ? PAGE_SIZE : 64*1024)
74 * Due to binary compatibility, the actual resource numbers
75 * may be different for different linux versions..
77 #include <asm/resource.h>
83 int getrusage(struct task_struct
*p
, int who
, struct rusage __user
*ru
);
84 int do_prlimit(struct task_struct
*tsk
, unsigned int resource
,
85 struct rlimit
*new_rlim
, struct rlimit
*old_rlim
);
87 #endif /* __KERNEL__ */
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