xref: /freebsd/tools/test/stress2/misc/kevent3.sh (revision 8a272653d9fbd9fc37691c9aad6a05089b4ecb4d)
1*8a272653SPeter Holm#!/bin/sh
2*8a272653SPeter Holm
3*8a272653SPeter Holm#
4*8a272653SPeter Holm# Copyright (c) 2008 Peter Holm <pho@FreeBSD.org>
5*8a272653SPeter Holm# All rights reserved.
6*8a272653SPeter Holm#
7*8a272653SPeter Holm# Redistribution and use in source and binary forms, with or without
8*8a272653SPeter Holm# modification, are permitted provided that the following conditions
9*8a272653SPeter Holm# are met:
10*8a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright
11*8a272653SPeter Holm#    notice, this list of conditions and the following disclaimer.
12*8a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright
13*8a272653SPeter Holm#    notice, this list of conditions and the following disclaimer in the
14*8a272653SPeter Holm#    documentation and/or other materials provided with the distribution.
15*8a272653SPeter Holm#
16*8a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17*8a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*8a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*8a272653SPeter Holm# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20*8a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*8a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*8a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*8a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*8a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*8a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*8a272653SPeter Holm# SUCH DAMAGE.
27*8a272653SPeter Holm#
28*8a272653SPeter Holm
29*8a272653SPeter Holm. ../default.cfg
30*8a272653SPeter Holm
31*8a272653SPeter Holmodir=`pwd`
32*8a272653SPeter Holm
33*8a272653SPeter Holmcd /tmp
34*8a272653SPeter Holmsed '1,/^EOF/d' < $odir/$0 > kevent3.c
35*8a272653SPeter Holmmycc -o kevent3 -Wall kevent3.c -pthread || exit 1
36*8a272653SPeter Holmrm -f kevent3.c
37*8a272653SPeter Holmcd $RUNDIR
38*8a272653SPeter Holm
39*8a272653SPeter Holmfor i in `jot 64`; do
40*8a272653SPeter Holm	for j in `jot 12`; do
41*8a272653SPeter Holm		/tmp/kevent3 > /dev/null 2>&1 &
42*8a272653SPeter Holm	done
43*8a272653SPeter Holm	for j in `jot 12`; do
44*8a272653SPeter Holm		wait
45*8a272653SPeter Holm	done
46*8a272653SPeter Holmdone
47*8a272653SPeter Holmrm -f /tmp/kevent3
48*8a272653SPeter Holmexit 0
49*8a272653SPeter HolmEOF
50*8a272653SPeter Holm/*
51*8a272653SPeter Holm *  Obtained from:
52*8a272653SPeter Holm *  http://projects.info-pull.com/mokb/MOKB-24-11-2006.html
53*8a272653SPeter Holm */
54*8a272653SPeter Holm#include <sys/types.h>
55*8a272653SPeter Holm#include <sys/event.h>
56*8a272653SPeter Holm#include <sys/time.h>
57*8a272653SPeter Holm
58*8a272653SPeter Holm#include <stdio.h>
59*8a272653SPeter Holm#include <unistd.h>
60*8a272653SPeter Holm
61*8a272653SPeter Holmint main(void)
62*8a272653SPeter Holm{
63*8a272653SPeter Holm	struct kevent ke;
64*8a272653SPeter Holm	int kq;
65*8a272653SPeter Holm
66*8a272653SPeter Holm	kq = kqueue();
67*8a272653SPeter Holm	EV_SET(&ke, getpid(), EVFILT_PROC, EV_ADD,
68*8a272653SPeter Holm		NOTE_EXIT|NOTE_EXEC|NOTE_TRACK, 0, NULL);
69*8a272653SPeter Holm	kevent(kq, &ke, 1, NULL, 0, NULL);
70*8a272653SPeter Holm	if (fork() != 0)
71*8a272653SPeter Holm		kevent(kq, NULL, 0, &ke, 1, NULL);
72*8a272653SPeter Holm
73*8a272653SPeter Holm	return (0);
74*8a272653SPeter Holm}
75