2 * Copyright (c) 1999 Adrian Chadd
4 * The Regents of the University of California. All rights reserved.
6 * This code is derived from software contributed to Berkeley by
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
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13 * notice, this list of conditions and the following disclaimer.
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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.
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
37 * @(#)procfs_status.c 8.4 (Berkeley) 6/15/94
39 * $FreeBSD: src/sys/miscfs/procfs/procfs_rlimit.c,v 1.5 1999/12/08 08:59:37 phk Exp $
40 * $DragonFly: src/sys/vfs/procfs/procfs_rlimit.c,v 1.7 2007/02/19 01:14:24 corecode Exp $
44 * To get resource.h to include our rlimit_ident[] array of rlimit identifiers
49 #include <sys/param.h>
50 #include <sys/systm.h>
52 #include <sys/vnode.h>
53 #include <sys/resourcevar.h>
54 #include <sys/resource.h>
55 #include <sys/types.h>
56 #include <vfs/procfs/procfs.h>
60 procfs_dorlimit(struct proc
*curp
, struct lwp
*lp
, struct pfsnode
*pfs
,
63 struct proc
*p
= lp
->lwp_proc
;
68 char psbuf
[512]; /* XXX - conservative */
70 if (uio
->uio_rw
!= UIO_READ
)
76 for (i
= 0; i
< RLIM_NLIMITS
; i
++) {
79 * Add the rlimit ident
82 ps
+= ksprintf(ps
, "%s ", rlimit_ident
[i
]);
85 * Replace RLIM_INFINITY with -1 in the string
92 if (p
->p_rlimit
[i
].rlim_cur
== RLIM_INFINITY
) {
93 ps
+= ksprintf(ps
, "-1 ");
95 ps
+= ksprintf(ps
, "%llu ",
96 (unsigned long long)p
->p_rlimit
[i
].rlim_cur
);
103 if (p
->p_rlimit
[i
].rlim_max
== RLIM_INFINITY
) {
104 ps
+= ksprintf(ps
, "-1\n");
106 ps
+= ksprintf(ps
, "%llu\n",
107 (unsigned long long)p
->p_rlimit
[i
].rlim_max
);
112 * This logic is rather tasty - but its from procfs_status.c, so
113 * I guess I'll use it here.
117 xlen
-= uio
->uio_offset
;
118 ps
= psbuf
+ uio
->uio_offset
;
119 xlen
= imin(xlen
, uio
->uio_resid
);
123 error
= uiomove_frombuf(psbuf
, ps
- psbuf
, uio
);