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- /*
- * Copyright (c) 2004, 2008
- * The President and Fellows of Harvard College.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- #ifndef _KERN_RESOURCE_H_
- #define _KERN_RESOURCE_H_
- /*
- * Definitions for resource usage and limits.
- *
- * Not very important.
- */
- /* priorities for setpriority() */
- #define PRIO_MIN (-20)
- #define PRIO_MAX 20
- /* "which" codes for setpriority() */
- #define PRIO_PROCESS 0
- #define PRIO_PGRP 1
- #define PRIO_USER 2
- /* flags for getrusage() */
- #define RUSAGE_SELF 0
- #define RUSAGE_CHILDREN (-1)
- struct rusage {
- struct timeval ru_utime;
- struct timeval ru_stime;
- __size_t ru_maxrss; /* maximum RSS during lifespan (kb) */
- __counter_t ru_ixrss; /* text memory usage (kb-ticks) */
- __counter_t ru_idrss; /* data memory usage (kb-ticks) */
- __counter_t ru_isrss; /* stack memory usage (kb-ticks) */
- __counter_t ru_minflt; /* minor VM faults (count) */
- __counter_t ru_majflt; /* major VM faults (count) */
- __counter_t ru_nswap; /* whole-process swaps (count) */
- __counter_t ru_inblock; /* file blocks read (count) */
- __counter_t ru_oublock; /* file blocks written (count) */
- __counter_t ru_msgrcv; /* socket/pipe packets rcv'd (count) */
- __counter_t ru_msgsnd; /* socket/pipe packets sent (count) */
- __counter_t ru_nsignals; /* signals delivered (count) */
- __counter_t ru_nvcsw; /* voluntary context switches (count)*/
- __counter_t ru_nivcsw; /* involuntary ditto (count) */
- };
- /* limit codes for getrusage/setrusage */
- #define RLIMIT_NPROC 0 /* max procs per user (count) */
- #define RLIMIT_NOFILE 1 /* max open files per proc (count) */
- #define RLIMIT_CPU 2 /* cpu usage (seconds) */
- #define RLIMIT_DATA 3 /* max .data/sbrk size (bytes) */
- #define RLIMIT_STACK 4 /* max stack size (bytes) */
- #define RLIMIT_MEMLOCK 5 /* max locked memory region (bytes) */
- #define RLIMIT_RSS 6 /* max RSS (bytes) */
- #define RLIMIT_CORE 7 /* core file size (bytes) */
- #define RLIMIT_FSIZE 8 /* max file size (bytes) */
- #define __RLIMIT_NUM 9 /* number of limits */
- struct rlimit {
- __rlim_t rlim_cur; /* soft limit */
- __rlim_t rlim_max; /* hard limit */
- };
- #define RLIM_INFINITY (~(__rlim_t)0)
- #endif /* _KERN_RESOURCE_H_ */
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