procfs_rlimit.c revision 87321 
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 87321 2001-12-04 01:35:06Z 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
102