headers/posix/sys/resource.h

   1 /*
   2  * Copyright 2003-2012 Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _SYS_RESOURCE_H
   6 #define _SYS_RESOURCE_H
   7
   8
   9 #include <config/types.h>
  10
  11 #include <sys/cdefs.h>
  12 #include <sys/time.h>
  13
  14
  15 /* getrlimit()/setrlimit() definitions */
  16
  17 typedef __haiku_addr_t rlim_t;
  18
  19 struct rlimit {
  20         rlim_t  rlim_cur;               /* current soft limit */
  21         rlim_t  rlim_max;               /* hard limit */
  22 };
  23
  24 /* ToDo: the only supported mode is RLIMIT_NOFILE right now */
  25 #define RLIMIT_CORE             0       /* size of the core file */
  26 #define RLIMIT_CPU              1       /* CPU time per team */
  27 #define RLIMIT_DATA             2       /* data segment size */
  28 #define RLIMIT_FSIZE    3       /* file size */
  29 #define RLIMIT_NOFILE   4       /* number of open files */
  30 #define RLIMIT_STACK    5       /* stack size */
  31 #define RLIMIT_AS               6       /* address space size */
  32 /* Haiku-specifics */
  33 #define RLIMIT_NOVMON   7       /* number of open vnode monitors */
  34
  35 #define RLIM_NLIMITS    8       /* number of resource limits */
  36
  37 #define RLIM_INFINITY   (0xffffffffUL)
  38 #define RLIM_SAVED_MAX  RLIM_INFINITY
  39 #define RLIM_SAVED_CUR  RLIM_INFINITY
  40
  41
  42 /* getrusage() definitions */
  43
  44 struct rusage {
  45         struct timeval ru_utime;        /* user time used */
  46         struct timeval ru_stime;        /* system time used */
  47 };
  48
  49 #define RUSAGE_SELF     0
  50 #define RUSAGE_CHILDREN -1
  51
  52
  53 /* getpriority()/setpriority() definitions */
  54
  55 #define PRIO_PROCESS    0
  56 #define PRIO_PGRP               1
  57 #define PRIO_USER               2
  58
  59
  60 __BEGIN_DECLS
  61
  62 extern int getrusage(int who, struct rusage *rusage);
  63
  64 extern int getrlimit(int resource, struct rlimit * rlp);
  65 extern int setrlimit(int resource, const struct rlimit * rlp);
  66
  67 /* ToDo: The following POSIX calls are missing (in BeOS as well):
  68  * int getpriority(int which, id_t who);
  69  * int setpriority(int which, id_t who, int priority); */
  70
  71 __END_DECLS
  72
  73 #endif  /* _SYS_RESOURCE_H */