1 /* 2 * Copyright (c) 1982, 1986 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 * 17 * @(#)resource.h 7.2 (Berkeley) 02/20/89 18 */ 19 20 /* 21 * Process priority specifications to get/setpriority. 22 */ 23 #define PRIO_MIN -20 24 #define PRIO_MAX 20 25 26 #define PRIO_PROCESS 0 27 #define PRIO_PGRP 1 28 #define PRIO_USER 2 29 30 /* 31 * Resource utilization information. 32 */ 33 34 #define RUSAGE_SELF 0 35 #define RUSAGE_CHILDREN -1 36 37 struct rusage { 38 struct timeval ru_utime; /* user time used */ 39 struct timeval ru_stime; /* system time used */ 40 long ru_maxrss; /* max resident set size */ 41 #define ru_first ru_ixrss 42 long ru_ixrss; /* integral shared memory size */ 43 long ru_idrss; /* integral unshared data " */ 44 long ru_isrss; /* integral unshared stack " */ 45 long ru_minflt; /* page reclaims */ 46 long ru_majflt; /* page faults */ 47 long ru_nswap; /* swaps */ 48 long ru_inblock; /* block input operations */ 49 long ru_oublock; /* block output operations */ 50 long ru_msgsnd; /* messages sent */ 51 long ru_msgrcv; /* messages received */ 52 long ru_nsignals; /* signals received */ 53 long ru_nvcsw; /* voluntary context switches */ 54 long ru_nivcsw; /* involuntary " */ 55 #define ru_last ru_nivcsw 56 }; 57 58 /* 59 * Resource limits 60 */ 61 #define RLIMIT_CPU 0 /* cpu time in milliseconds */ 62 #define RLIMIT_FSIZE 1 /* maximum file size */ 63 #define RLIMIT_DATA 2 /* data size */ 64 #define RLIMIT_STACK 3 /* stack size */ 65 #define RLIMIT_CORE 4 /* core file size */ 66 #define RLIMIT_RSS 5 /* resident set size */ 67 68 #define RLIM_NLIMITS 6 /* number of resource limits */ 69 70 #define RLIM_INFINITY 0x7fffffff 71 72 struct rlimit { 73 long rlim_cur; /* current (soft) limit */ 74 long rlim_max; /* maximum value for rlim_cur */ 75 }; 76