procfs_rlimit.c revision 123247
1/* 2 * Copyright (c) 1999 Adrian Chadd 3 * Copyright (c) 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * Jan-Simon Pendry. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)procfs_status.c 8.4 (Berkeley) 6/15/94 38 * 39 * $FreeBSD: head/sys/fs/procfs/procfs_rlimit.c 123247 2003-12-07 17:40:00Z des $ 40 */ 41 42/* 43 * To get resource.h to include our rlimit_ident[] array of rlimit identifiers 44 */ 45 46#define _RLIMIT_IDENT 47 48#include <sys/param.h> 49#include <sys/systm.h> 50#include <sys/proc.h> 51#include <sys/resourcevar.h> 52#include <sys/resource.h> 53#include <sys/sbuf.h> 54 55#include <fs/pseudofs/pseudofs.h> 56#include <fs/procfs/procfs.h> 57 58 59int 60procfs_doprocrlimit(PFS_FILL_ARGS) 61{ 62 int i; 63 64 for (i = 0; i < RLIM_NLIMITS; i++) { 65 66 /* 67 * Add the rlimit ident 68 */ 69 70 sbuf_printf(sb, "%s ", rlimit_ident[i]); 71 72 /* 73 * Replace RLIM_INFINITY with -1 in the string 74 */ 75 76 /* 77 * current limit 78 */ 79 80 if (p->p_rlimit[i].rlim_cur == RLIM_INFINITY) { 81 sbuf_printf(sb, "-1 "); 82 } else { 83 sbuf_printf(sb, "%llu ", 84 (unsigned long long)p->p_rlimit[i].rlim_cur); 85 } 86 87 /* 88 * maximum limit 89 */ 90 91 if (p->p_rlimit[i].rlim_max == RLIM_INFINITY) { 92 sbuf_printf(sb, "-1\n"); 93 } else { 94 sbuf_printf(sb, "%llu\n", 95 (unsigned long long)p->p_rlimit[i].rlim_max); 96 } 97 } 98 99 return (0); 100} 101