xref: /freebsd/usr.bin/procstat/procstat_rlimit.c (revision 598585e8359e974f43fcb3e31c186446ba37b2e3)
1*598585e8SMikolaj Golub /*-
2*598585e8SMikolaj Golub  * Copyright (c) 2011 Mikolaj Golub
3*598585e8SMikolaj Golub  * All rights reserved.
4*598585e8SMikolaj Golub  *
5*598585e8SMikolaj Golub  * Redistribution and use in source and binary forms, with or without
6*598585e8SMikolaj Golub  * modification, are permitted provided that the following conditions
7*598585e8SMikolaj Golub  * are met:
8*598585e8SMikolaj Golub  * 1. Redistributions of source code must retain the above copyright
9*598585e8SMikolaj Golub  *    notice, this list of conditions and the following disclaimer.
10*598585e8SMikolaj Golub  * 2. Redistributions in binary form must reproduce the above copyright
11*598585e8SMikolaj Golub  *    notice, this list of conditions and the following disclaimer in the
12*598585e8SMikolaj Golub  *    documentation and/or other materials provided with the distribution.
13*598585e8SMikolaj Golub  *
14*598585e8SMikolaj Golub  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*598585e8SMikolaj Golub  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*598585e8SMikolaj Golub  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*598585e8SMikolaj Golub  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*598585e8SMikolaj Golub  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*598585e8SMikolaj Golub  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*598585e8SMikolaj Golub  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*598585e8SMikolaj Golub  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*598585e8SMikolaj Golub  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*598585e8SMikolaj Golub  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*598585e8SMikolaj Golub  * SUCH DAMAGE.
25*598585e8SMikolaj Golub  *
26*598585e8SMikolaj Golub  * $FreeBSD$
27*598585e8SMikolaj Golub  */
28*598585e8SMikolaj Golub 
29*598585e8SMikolaj Golub #include <sys/param.h>
30*598585e8SMikolaj Golub #include <sys/time.h>
31*598585e8SMikolaj Golub #define _RLIMIT_IDENT
32*598585e8SMikolaj Golub #include <sys/resourcevar.h>
33*598585e8SMikolaj Golub #include <sys/sysctl.h>
34*598585e8SMikolaj Golub #include <sys/user.h>
35*598585e8SMikolaj Golub 
36*598585e8SMikolaj Golub #include <err.h>
37*598585e8SMikolaj Golub #include <errno.h>
38*598585e8SMikolaj Golub #include <libprocstat.h>
39*598585e8SMikolaj Golub #include <limits.h>
40*598585e8SMikolaj Golub #include <stdio.h>
41*598585e8SMikolaj Golub #include <stdlib.h>
42*598585e8SMikolaj Golub #include <string.h>
43*598585e8SMikolaj Golub 
44*598585e8SMikolaj Golub #include "procstat.h"
45*598585e8SMikolaj Golub 
46*598585e8SMikolaj Golub static struct rlimit rlimit[RLIM_NLIMITS];
47*598585e8SMikolaj Golub 
48*598585e8SMikolaj Golub void
49*598585e8SMikolaj Golub procstat_rlimit(struct kinfo_proc *kipp)
50*598585e8SMikolaj Golub {
51*598585e8SMikolaj Golub 	int error, i, name[4];
52*598585e8SMikolaj Golub 	size_t len;
53*598585e8SMikolaj Golub 
54*598585e8SMikolaj Golub 	if (!hflag)
55*598585e8SMikolaj Golub 		printf("%5s %-16s %-10s %12s %12s\n", "PID", "COMM", "RLIMIT",
56*598585e8SMikolaj Golub 		    "CURRENT", "MAX");
57*598585e8SMikolaj Golub 	name[0] = CTL_KERN;
58*598585e8SMikolaj Golub 	name[1] = KERN_PROC;
59*598585e8SMikolaj Golub 	name[2] = KERN_PROC_RLIMIT;
60*598585e8SMikolaj Golub 	name[3] = kipp->ki_pid;
61*598585e8SMikolaj Golub 	len = sizeof(rlimit);
62*598585e8SMikolaj Golub 	error = sysctl(name, 4, rlimit, &len, NULL, 0);
63*598585e8SMikolaj Golub 	if (error < 0 && errno != ESRCH) {
64*598585e8SMikolaj Golub 		warn("sysctl: kern.proc.rlimit: %d", kipp->ki_pid);
65*598585e8SMikolaj Golub 		return;
66*598585e8SMikolaj Golub 	}
67*598585e8SMikolaj Golub 	if (error < 0 || len != sizeof(rlimit))
68*598585e8SMikolaj Golub 		return;
69*598585e8SMikolaj Golub 
70*598585e8SMikolaj Golub 	for (i = 0; i < RLIM_NLIMITS; i++) {
71*598585e8SMikolaj Golub 		printf("%5d %-16s %-10s %12jd %12jd\n", kipp->ki_pid,
72*598585e8SMikolaj Golub 		    kipp->ki_comm, rlimit_ident[i],
73*598585e8SMikolaj Golub 		    rlimit[i].rlim_cur == RLIM_INFINITY ?
74*598585e8SMikolaj Golub 		    -1 : rlimit[i].rlim_cur,
75*598585e8SMikolaj Golub 		    rlimit[i].rlim_max == RLIM_INFINITY ?
76*598585e8SMikolaj Golub 		    -1 : rlimit[i].rlim_max);
77*598585e8SMikolaj Golub         }
78*598585e8SMikolaj Golub }
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