include/asm-generic/resource.h

   1 #ifndef _ASM_GENERIC_RESOURCE_H
   2 #define _ASM_GENERIC_RESOURCE_H
   3
   4 /*
   5  * Resource limit IDs
   6  *
   7  * ( Compatibility detail: there are architectures that have
   8  *   a different rlimit ID order in the 5-9 range and want
   9  *   to keep that order for binary compatibility. The reasons
  10  *   are historic and all new rlimits are identical across all
  11  *   arches. If an arch has such special order for some rlimits
  12  *   then it defines them prior including asm-generic/resource.h. )
  13  */
  14
  15 #define RLIMIT_CPU              0       /* CPU time in sec */
  16 #define RLIMIT_FSIZE            1       /* Maximum filesize */
  17 #define RLIMIT_DATA             2       /* max data size */
  18 #define RLIMIT_STACK            3       /* max stack size */
  19 #define RLIMIT_CORE             4       /* max core file size */
  20
  21 #ifndef RLIMIT_RSS
  22 # define RLIMIT_RSS             5       /* max resident set size */
  23 #endif
  24
  25 #ifndef RLIMIT_NPROC
  26 # define RLIMIT_NPROC           6       /* max number of processes */
  27 #endif
  28
  29 #ifndef RLIMIT_NOFILE
  30 # define RLIMIT_NOFILE          7       /* max number of open files */
  31 #endif
  32
  33 #ifndef RLIMIT_MEMLOCK
  34 # define RLIMIT_MEMLOCK         8       /* max locked-in-memory address space */
  35 #endif
  36
  37 #ifndef RLIMIT_AS
  38 # define RLIMIT_AS              9       /* address space limit */
  39 #endif
  40
  41 #define RLIMIT_LOCKS            10      /* maximum file locks held */
  42 #define RLIMIT_SIGPENDING       11      /* max number of pending signals */
  43 #define RLIMIT_MSGQUEUE         12      /* maximum bytes in POSIX mqueues */
  44 #define RLIMIT_NICE             13      /* max nice prio allowed to raise to
  45                                            0-39 for nice level 19 .. -20 */
  46 #define RLIMIT_RTPRIO           14      /* maximum realtime priority */
  47 #define RLIMIT_RTTIME           15      /* timeout for RT tasks in us */
  48 #define RLIM_NLIMITS            16
  49
  50 /*
  51  * SuS says limits have to be unsigned.
  52  * Which makes a ton more sense anyway.
  53  *
  54  * Some architectures override this (for compatibility reasons):
  55  */
  56 #ifndef RLIM_INFINITY
  57 # define RLIM_INFINITY          (~0UL)
  58 #endif
  59
  60 /*
  61  * RLIMIT_STACK default maximum - some architectures override it:
  62  */
  63 #ifndef _STK_LIM_MAX
  64 # define _STK_LIM_MAX           RLIM_INFINITY
  65 #endif
  66
  67 #ifdef __KERNEL__
  68
  69 /*
  70  * boot-time rlimit defaults for the init task:
  71  */
  72 #define INIT_RLIMITS                                                    \
  73 {                                                                       \
  74         [RLIMIT_CPU]            = {  RLIM_INFINITY,  RLIM_INFINITY },   \
  75         [RLIMIT_FSIZE]          = {  RLIM_INFINITY,  RLIM_INFINITY },   \
  76         [RLIMIT_DATA]           = {  RLIM_INFINITY,  RLIM_INFINITY },   \
  77         [RLIMIT_STACK]          = {       _STK_LIM,   _STK_LIM_MAX },   \
  78         [RLIMIT_CORE]           = {              0,  RLIM_INFINITY },   \
  79         [RLIMIT_RSS]            = {  RLIM_INFINITY,  RLIM_INFINITY },   \
  80         [RLIMIT_NPROC]          = {              0,              0 },   \
  81         [RLIMIT_NOFILE]         = {   INR_OPEN_CUR,   INR_OPEN_MAX },   \
  82         [RLIMIT_MEMLOCK]        = {    MLOCK_LIMIT,    MLOCK_LIMIT },   \
  83         [RLIMIT_AS]             = {  RLIM_INFINITY,  RLIM_INFINITY },   \
  84         [RLIMIT_LOCKS]          = {  RLIM_INFINITY,  RLIM_INFINITY },   \
  85         [RLIMIT_SIGPENDING]     = {             0,             0 },     \
  86         [RLIMIT_MSGQUEUE]       = {   MQ_BYTES_MAX,   MQ_BYTES_MAX },   \
  87         [RLIMIT_NICE]           = { 0, 0 },                             \
  88         [RLIMIT_RTPRIO]         = { 0, 0 },                             \
  89         [RLIMIT_RTTIME]         = {  RLIM_INFINITY,  RLIM_INFINITY },   \
  90 }
  91
  92 #endif  /* __KERNEL__ */
  93
  94 #endif