LXR linux/include/uapi/linux/resource.h

   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
  23struct  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
  42struct rlimit {
  43        __kernel_ulong_t        rlim_cur;
  44        __kernel_ulong_t        rlim_max;
  45};
  46
  47#define RLIM64_INFINITY         (~0ULL)
  48
  49struct 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