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 * $FreeBSD$
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/lock.h>
50 #include <sys/mutex.h>
51 #include <sys/systm.h>
52 #include <sys/proc.h>
53 #include <sys/resourcevar.h>
54 #include <sys/resource.h>
55 #include <sys/sbuf.h>
56 #include <sys/types.h>
57 #include <sys/malloc.h>
58
59 #include <fs/pseudofs/pseudofs.h>
60 #include <fs/procfs/procfs.h>
61
62
63 int
64 procfs_doprocrlimit(PFS_FILL_ARGS)
65 {
66 struct plimit *limp;
67 int i;
68
69 /*
70 * Obtain a private reference to resource limits
71 */
72
73 PROC_LOCK(p);
74 limp = lim_hold(p->p_limit);
75 PROC_UNLOCK(p);
76
77 for (i = 0; i < RLIM_NLIMITS; i++) {
78
79 /*
80 * Add the rlimit ident
81 */
82
83 sbuf_printf(sb, "%s ", rlimit_ident[i]);
84
85 /*
86 * Replace RLIM_INFINITY with -1 in the string
87 */
88
89 /*
90 * current limit
91 */
92
93 if (limp->pl_rlimit[i].rlim_cur == RLIM_INFINITY) {
94 sbuf_printf(sb, "-1 ");
95 } else {
96 sbuf_printf(sb, "%llu ",
97 (unsigned long long)limp->pl_rlimit[i].rlim_cur);
98 }
99
100 /*
101 * maximum limit
102 */
103
104 if (limp->pl_rlimit[i].rlim_max == RLIM_INFINITY) {
105 sbuf_printf(sb, "-1\n");
106 } else {
107 sbuf_printf(sb, "%llu\n",
108 (unsigned long long)limp->pl_rlimit[i].rlim_max);
109 }
110 }
111
112 lim_free(limp);
113 return (0);
114 }
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