/* Bit values & structures for resource limits. OpenSolaris version. Copyright (C) 1994, 1996, 1997, 1998, 1999, 2000, 2004, 2005, 2008 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifndef _SYS_RESOURCE_H # error "Never use directly; include instead." #endif #include /* Transmute defines to enumerations. The macro re-definitions are necessary because some programs want to test for operating system features with #ifdef RUSAGE_SELF. In ISO C the reflexive definition is a no-op. */ /* Kinds of resource limit. */ enum __rlimit_resource { /* Per-process CPU limit, in seconds. */ RLIMIT_CPU = 0, #define RLIMIT_CPU RLIMIT_CPU /* Largest file that can be created, in bytes. */ RLIMIT_FSIZE = 1, #define RLIMIT_FSIZE RLIMIT_FSIZE /* Maximum size of data segment, in bytes. */ RLIMIT_DATA = 2, #define RLIMIT_DATA RLIMIT_DATA /* Maximum size of stack segment, in bytes. */ RLIMIT_STACK = 3, #define RLIMIT_STACK RLIMIT_STACK /* Largest core file that can be created, in bytes. */ RLIMIT_CORE = 4, #define RLIMIT_CORE RLIMIT_CORE /* Number of open files. */ RLIMIT_NOFILE = 5, #define RLIMIT_NOFILE RLIMIT_NOFILE /* Maximum mapped memory. */ RLIMIT_AS = 6, #define RLIMIT_AS RLIMIT_AS #define RLIMIT_VMEM RLIMIT_AS __RLIMIT_NLIMITS = 7, __RLIM_NLIMITS = __RLIMIT_NLIMITS #define RLIMIT_NLIMITS __RLIMIT_NLIMITS #define RLIM_NLIMITS __RLIM_NLIMITS }; /* Type for resource quantity measurement. */ #ifndef __USE_FILE_OFFSET64 typedef __rlim_t rlim_t; #else typedef __rlim64_t rlim_t; #endif #ifdef _SYSCALL32 typedef __uint32_t rlim32_t; #endif #ifdef __USE_LARGEFILE64 typedef __rlim64_t rlim64_t; #endif /* Value to indicate that there is no limit. */ #ifdef __USE_LARGEFILE64 # define RLIM64_INFINITY ((rlim64_t)-3) # define RLIM64_SAVED_MAX ((rlim64_t)-2) # define RLIM64_SAVED_CUR ((rlim64_t)-1) #endif #if __WORDSIZE == 64 # define RLIM_INFINITY ((rlim_t)-3l) # define RLIM_SAVED_MAX ((rlim_t)-2l) # define RLIM_SAVED_CUR ((rlim_t)-1l) #else # define RLIM_INFINITY 0x7FFFFFFF # define RLIM_SAVED_MAX 0x7FFFFFFE # define RLIM_SAVED_CUR 0x7FFFFFFD #endif #ifdef _SYSCALL32 # define RLIM32_INFINITY 0x7FFFFFFF # define RLIM32_SAVED_MAX 0x7FFFFFFE # define RLIM32_SAVED_CUR 0x7FFFFFFD #endif #if __WORDSIZE == 64 # define RLIM_SAVED(x) 1 # define RLIM_NSAVED RLIM_NLIMITS #else # define RLIM_SAVED(x) (x <= RLIMIT_FSIZE) # define RLIM_NSAVED (RLIMIT_FSIZE + 1) #endif struct rlimit { /* The current (soft) limit. */ rlim_t rlim_cur; /* The hard limit. */ rlim_t rlim_max; }; #ifdef _SYSCALL32 struct rlimit32 { rlim32_t rlim_cur; rlim32_t rlim_max; }; #endif #ifdef __USE_LARGEFILE64 struct rlimit64 { /* The current (soft) limit. */ rlim64_t rlim_cur; /* The hard limit. */ rlim64_t rlim_max; }; #endif /* Whose usage statistics do you want? */ enum __rusage_who { /* The calling process. */ RUSAGE_SELF = 0, #define RUSAGE_SELF RUSAGE_SELF /* The lwp. */ RUSAGE_LWP = 1, #define RUSAGE_LWP RUSAGE_LWP /* All of its terminated child processes. */ RUSAGE_CHILDREN = 2 #define RUSAGE_CHILDREN RUSAGE_CHILDREN }; #define __need_timeval #define __need_itimerval #include /* For `struct timeval'. */ /* Structure which says how much of each resource has been used. */ struct rusage { /* Total amount of user time used. */ struct timeval ru_utime; /* Total amount of system time used. */ struct timeval ru_stime; /* Maximum resident set size (in kilobytes). */ long int ru_maxrss; /* Amount of sharing of text segment memory with other processes (kilobyte-seconds). */ long int ru_ixrss; /* Amount of data segment memory used (kilobyte-seconds). */ long int ru_idrss; /* Amount of stack memory used (kilobyte-seconds). */ long int ru_isrss; /* Number of soft page faults (i.e. those serviced by reclaiming a page from the list of pages awaiting reallocation. */ long int ru_minflt; /* Number of hard page faults (i.e. those that required I/O). */ long int ru_majflt; /* Number of times a process was swapped out of physical memory. */ long int ru_nswap; /* Number of input operations via the file system. Note: This and `ru_oublock' do not include operations with the cache. */ long int ru_inblock; /* Number of output operations via the file system. */ long int ru_oublock; /* Number of IPC messages sent. */ long int ru_msgsnd; /* Number of IPC messages received. */ long int ru_msgrcv; /* Number of signals delivered. */ long int ru_nsignals; /* Number of voluntary context switches, i.e. because the process gave up the process before it had to (usually to wait for some resource to be available). */ long int ru_nvcsw; /* Number of involuntary context switches, i.e. a higher priority process became runnable or the current process used up its time slice. */ long int ru_nivcsw; }; /* The type of the WHICH argument to `getpriority' and `setpriority', indicating what flavor of entity the WHO argument specifies. */ enum __priority_which { PRIO_PROCESS = 0, /* WHO is a process ID. */ #define PRIO_PROCESS PRIO_PROCESS PRIO_PGRP = 1, /* WHO is a process group ID. */ #define PRIO_PGRP PRIO_PGRP PRIO_USER = 2, /* WHO is a user ID. */ #define PRIO_USER PRIO_USER PRIO_GROUP = 3, #define PRIO_GROUP PRIO_GROUP PRIO_SESSION = 4, #define PRIO_SESSION PRIO_SESSION PRIO_LWP = 5, #define PRIO_LWP PRIO_LWP PRIO_TASK = 6, #define PRIO_TASK PRIO_TASK PRIO_PROJECT = 7, #define PRIO_PROJECT PRIO_PROJECT PRIO_ZONE = 8, #define PRIO_ZONE PRIO_ZONE PRIO_CONTRACT = 9, #define PRIO_CONTRACT PRIO_CONTRACT }; enum { _RUSAGESYS_GETRUSAGE = 0, #define _RUSAGESYS_GETRUSAGE _RUSAGESYS_GETRUSAGE _RUSAGESYS_GETRUSAGE_CHLD = 1, #define _RUSAGESYS_GETRUSAGE_CHLD _RUSAGESYS_GETRUSAGE_CHLD _RUSAGESYS_GETRUSAGE_LWP = 2, #define _RUSAGESYS_GETRUSAGE_LWP _RUSAGESYS_GETRUSAGE_LWP _RUSAGESYS_GETVMUSAGE = 3 #define _RUSAGESYS_GETVMUSAGE _RUSAGESYS_GETVMUSAGE }; #define PRIO_MIN -20 #define PRIO_MAX 20