122 lines
4.3 KiB
C
122 lines
4.3 KiB
C
/* Copyright (c) 2016 Phoenix Systems
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.*/
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#ifndef _SYS_RESOURCE_H
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#define _SYS_RESOURCE_H
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#include <sys/time.h>
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#include <sys/types.h>
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#define RUSAGE_SELF 0
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#define RUSAGE_CHILDREN (-1)
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#define RUSAGE_BOTH (-2) /* sys_wait4() uses this */
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#define RUSAGE_THREAD 1 /* Only the calling thread */
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struct rusage {
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struct timeval ru_utime; /* User time used */
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struct timeval ru_stime; /* System time used */
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long ru_maxrss; /* Maximum resident set size */
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long ru_ixrss; /* Integral shared memory size */
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long ru_idrss; /* Integral unshared data size */
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long ru_isrss; /* Integral unshared stack size */
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long ru_minflt; /* Page reclaims */
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long ru_majflt; /* Page faults */
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long ru_nswap; /* Swaps */
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long ru_inblock; /* Block input operations */
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long ru_oublock; /* Block output operations */
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long ru_msgsnd; /* Messages sent */
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long ru_msgrcv; /* Messages received */
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long ru_nsignals; /* Signals received */
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long ru_nvcsw; /* Voluntary context switches */
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long ru_nivcsw; /* Involuntary */
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};
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typedef unsigned long rlim_t;
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struct rlimit {
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rlim_t rlim_cur;
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rlim_t rlim_max;
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};
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#define RLIM64_INFINITY (~0ULL)
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struct rlimit64 {
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uint64_t rlim_cur;
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uint64_t rlim_max;
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};
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#define PRIO_MIN (-20)
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#define PRIO_MAX 20
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#define PRIO_PROCESS 0
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#define PRIO_PGRP 1
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#define PRIO_USER 2
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/*
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* Limit the stack by to some sane default: root can always
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* increase this limit if needed. 8MB seems reasonable.
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*/
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#define _STK_LIM (8 * 1024 * 1024)
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/*
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* GPG2 wants 64kB of mlocked memory, to make sure pass phrases
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* and other sensitive information are never written to disk.
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*/
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#define MLOCK_LIMIT ((PAGE_SIZE > 64 * 1024) ? PAGE_SIZE : 64 * 1024)
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#define RLIMIT_CPU 0 /* CPU time in sec */
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#define RLIMIT_FSIZE 1 /* Maximum filesize */
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#define RLIMIT_DATA 2 /* Max data size */
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#define RLIMIT_STACK 3 /* Max stack size */
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#define RLIMIT_CORE 4 /* Max core file size */
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#define RLIMIT_RSS 5 /* Max resident set size */
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#define RLIMIT_NPROC 6 /* Max number of processes */
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#define RLIMIT_NOFILE 7 /* Max number of open files */
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#define RLIMIT_OFILE RLIMIT_NOFILE
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#define RLIMIT_MEMLOCK 8 /* Max locked-in-memory address space */
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#define RLIMIT_AS 9 /* Address space limit */
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#define RLIMIT_LOCKS 10 /* Maximum file locks held */
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#define RLIMIT_SIGPENDING 11 /* Max number of pending signals */
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#define RLIMIT_MSGQUEUE 12 /* Maximum bytes in POSIX mqueues */
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#define RLIMIT_NICE 13 /* Max nice prio allowed to raise to 0-39 for nice level 19 .. -20 */
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#define RLIMIT_RTPRIO 14 /* Maximum realtime priority */
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#define RLIMIT_RTTIME 15 /* Timeout for RT tasks in us */
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#define RLIM_NLIMITS 16
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#ifndef RLIM_INFINITY
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#define RLIM_INFINITY (~0UL)
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#endif
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/* RLIMIT_STACK default maximum - some architectures override it. */
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#ifndef _STK_LIM_MAX
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#define _STK_LIM_MAX RLIM_INFINITY
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#endif
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int getpriority(int which, id_t who);
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int setpriority(int which, id_t who, int prio);
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int getrlimit(int resource, struct rlimit *rlim);
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int setrlimit(int resource, const struct rlimit *rlim);
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int getrusage(int who, struct rusage *usage);
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#endif
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