2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2007 Robert N. M. Watson
5 * Copyright (c) 2009 Ulf Lilleengen
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #include <sys/param.h>
36 #include <sys/sysctl.h>
45 * Sort processes first by pid and then tid.
48 kinfo_proc_compare(const void *a, const void *b)
52 i = ((const struct kinfo_proc *)a)->ki_pid -
53 ((const struct kinfo_proc *)b)->ki_pid;
56 i = ((const struct kinfo_proc *)a)->ki_tid -
57 ((const struct kinfo_proc *)b)->ki_tid;
62 kinfo_proc_sort(struct kinfo_proc *kipp, int count)
65 qsort(kipp, count, sizeof(*kipp), kinfo_proc_compare);
69 kinfo_getallproc(int *cntp)
71 struct kinfo_proc *kipp;
77 mib[2] = KERN_PROC_PROC;
80 if (sysctl(mib, nitems(mib), NULL, &len, NULL, 0) < 0)
87 if (sysctl(mib, nitems(mib), kipp, &len, NULL, 0) < 0)
89 if (len % sizeof(*kipp) != 0)
91 if (kipp->ki_structsize != sizeof(*kipp))
93 *cntp = len / sizeof(*kipp);
94 kinfo_proc_sort(kipp, len / sizeof(*kipp));