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