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114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-4-Clause
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*
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* Copyright (c) 1999 Adrian Chadd
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* Copyright (c) 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Jan-Simon Pendry.
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*
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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*/
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/*
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* To get resource.h to include our rlimit_ident[] array of rlimit identifiers
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*/
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#define _RLIMIT_IDENT
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#include <sys/param.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/systm.h>
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#include <sys/proc.h>
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#include <sys/resourcevar.h>
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#include <sys/resource.h>
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#include <sys/sbuf.h>
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#include <sys/types.h>
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#include <sys/malloc.h>
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#include <fs/pseudofs/pseudofs.h>
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#include <fs/procfs/procfs.h>
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_Static_assert(nitems(rlimit_ident) == RLIM_NLIMITS,
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"resource.h RLIMIT_IDENT needs update");
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int
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procfs_doprocrlimit(PFS_FILL_ARGS)
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{
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struct plimit *limp;
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int i;
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/*
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* Obtain a private reference to resource limits
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*/
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PROC_LOCK(p);
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limp = lim_hold(p->p_limit);
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PROC_UNLOCK(p);
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for (i = 0; i < RLIM_NLIMITS; i++) {
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/*
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* Add the rlimit ident
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*/
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sbuf_printf(sb, "%s ", rlimit_ident[i]);
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/*
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* Replace RLIM_INFINITY with -1 in the string
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*/
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/*
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* current limit
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*/
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if (limp->pl_rlimit[i].rlim_cur == RLIM_INFINITY) {
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sbuf_printf(sb, "-1 ");
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} else {
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sbuf_printf(sb, "%llu ",
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(unsigned long long)limp->pl_rlimit[i].rlim_cur);
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}
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/*
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* maximum limit
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*/
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if (limp->pl_rlimit[i].rlim_max == RLIM_INFINITY) {
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sbuf_printf(sb, "-1\n");
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} else {
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sbuf_printf(sb, "%llu\n",
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(unsigned long long)limp->pl_rlimit[i].rlim_max);
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}
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}
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lim_free(limp);
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return (0);
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}
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