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/* * Mach Operating System * Copyright (c) 1989 Carnegie-Mellon University * Copyright (c) 1988 Carnegie-Mellon University * Copyright (c) 1987 Carnegie-Mellon University * All rights reserved. The CMU software License Agreement specifies * the terms and conditions for use and redistribution. */ /* * HISTORY * $Log: resource.h,v $ * 27-Sep-89 Morris Meyer (mmeyer) at NeXT * Sun Bugfixes: 1009246 - Comments on some fields were wrong. * * Revision 2.7 89/03/09 22:07:10 rpd * More cleanup. * * Revision 2.6 89/02/25 17:55:54 gm0w * Made CMUCS conditionals always true. * [89/02/14 mrt] * * Revision 2.5 88/10/11 12:08:31 rpd * Added include of time.h since this file uses * struct timeval. * [88/10/11 11:41:22 rpd] * * Revision 2.4 88/08/24 02:41:41 mwyoung * Adjusted include file references. * [88/08/17 02:21:30 mwyoung] * * Revision 2.3 88/08/22 21:29:44 mja * Add RUSAGE_NODEV definition. * [88/08/11 19:18:02 mja] * * Revision 2.2 88/07/15 15:59:57 mja * Condensed local conditionals. * * 06-Jan-88 Jay Kistler (jjk) at Carnegie Mellon University * Made file reentrant. Added declarations for __STDC__. * * 28-Jan-87 Mike Accetta (mja) at Carnegie-Mellon University * CMUCS: Defined new rusage_dev structure for special * wait3() option; * CMUCS: Added RPAUSE definitions. * [ V5.1(F1) ] * */ /* * Copyright (c) 1982, 1986 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. * * @(#)resource.h 7.1 (Berkeley) 6/4/86 */ #ifndef _SYS_RESOURCE_H_ #define _SYS_RESOURCE_H_ #ifdef __ASSEMBLER__ #else #import <sys/time.h> #import <sys/types.h> /* * Process priority specifications to get/setpriority. */ #define PRIO_MIN -20 #define PRIO_MAX 20 #define PRIO_PROCESS 0 #define PRIO_PGRP 1 #define PRIO_USER 2 /* * Resource utilization information. */ #define RUSAGE_SELF 0 #define RUSAGE_CHILDREN -1 struct rusage { struct timeval ru_utime; /* user time used */ struct timeval ru_stime; /* system time used */ long ru_maxrss; #define ru_first ru_ixrss long ru_ixrss; /* XXX: 0 */ long ru_idrss; /* XXX: sum of rm_asrss */ long ru_isrss; /* XXX: 0 */ long ru_minflt; /* any page faults not requiring I/O */ long ru_majflt; /* any page faults requiring I/O */ long ru_nswap; /* swaps */ long ru_inblock; /* block input operations */ long ru_oublock; /* block output operations */ long ru_msgsnd; /* messages sent */ long ru_msgrcv; /* messages received */ long ru_nsignals; /* signals received */ long ru_nvcsw; /* voluntary context switches */ long ru_nivcsw; /* involuntary " */ #define ru_last ru_nivcsw }; /* * Resource limits */ #define RLIMIT_CPU 0 /* cpu time in milliseconds */ #define RLIMIT_FSIZE 1 /* maximum file size */ #define RLIMIT_DATA 2 /* data size */ #define RLIMIT_STACK 3 /* stack size */ #define RLIMIT_CORE 4 /* core file size */ #define RLIMIT_RSS 5 /* resident set size */ #define RLIM_NLIMITS 6 /* number of resource limits */ #define RLIM_INFINITY 0x7fffffff struct rlimit { int rlim_cur; /* current (soft) limit */ int rlim_max; /* maximum value for rlim_cur */ }; /* * Special rusage structure returned with WLOGINDEV option to wait3(). */ struct rusage_dev { struct rusage ru_rusage; dev_t ru_dev; }; #define RUSAGE_NODEV ((dev_t)-1) /* same as NODEV */ /* * Resource pause system call definitions */ #define RPAUSE_SAME 0 /* leave state unchanged */ #define RPAUSE_DISABLE 1 /* disable pause on error type(s) */ #define RPAUSE_ENABLE 2 /* enable pause on error type(s) */ #define RPAUSE_ALL 0x7fffffff /* all error number types */ #if defined(__STDC__) && !defined(KERNEL) extern int getpriority(int, int); extern int setpriority(int, int, int); extern int getrlimit(int, struct rlimit *); extern int setrlimit(int, struct rlimit *); extern int getrusage(int, struct rusage *); #endif #endif #endif
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