57718be8fa
minus the vendor Makefiles Provide directions for how to bootstrap the vendor sources in FREEBSD-upgrade MFC after 2 weeks Discussed with: rpaulo Sponsored by: EMC / Isilon Storage Division
134 lines
3.7 KiB
C
134 lines
3.7 KiB
C
/* $NetBSD: t_sig.c,v 1.2 2010/11/03 16:10:20 christos Exp $ */
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/*-
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* Copyright (c) 2002, 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Luke Mewburn and Jaromir Dolecek.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__COPYRIGHT("@(#) Copyright (c) 2008\
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The NetBSD Foundation, inc. All rights reserved.");
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__RCSID("$NetBSD: t_sig.c,v 1.2 2010/11/03 16:10:20 christos Exp $");
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#include <sys/event.h>
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#include <sys/ioctl.h>
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/wait.h>
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#include <inttypes.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <atf-c.h>
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#include "../../h_macros.h"
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#define NSIGNALS 5
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ATF_TC(sig);
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ATF_TC_HEAD(sig, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Checks EVFILT_SIGNAL");
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}
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ATF_TC_BODY(sig, tc)
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{
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struct timespec timeout;
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struct kfilter_mapping km;
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struct kevent event[1];
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char namebuf[32];
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pid_t pid, child;
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int kq, n, num, status;
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pid = getpid();
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(void)printf("my pid: %d\n", pid);
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/* fork a child to send signals */
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RL(child = fork());
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if (child == 0) {
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int i;
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(void)sleep(2);
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for(i = 0; i < NSIGNALS; ++i) {
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(void)kill(pid, SIGUSR1);
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(void)sleep(2);
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}
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_exit(0);
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/* NOTREACHED */
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}
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RL(kq = kqueue());
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(void)strlcpy(namebuf, "EVFILT_SIGNAL", sizeof(namebuf));
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km.name = namebuf;
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RL(ioctl(kq, KFILTER_BYNAME, &km));
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(void)printf("got %d as filter number for `%s'.\n", km.filter, km.name);
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/* ignore the signal to avoid taking it for real */
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REQUIRE_LIBC(signal(SIGUSR1, SIG_IGN), SIG_ERR);
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event[0].ident = SIGUSR1;
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event[0].filter = km.filter;
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event[0].flags = EV_ADD | EV_ENABLE;
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RL(kevent(kq, event, 1, NULL, 0, NULL));
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(void)sleep(1);
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timeout.tv_sec = 1;
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timeout.tv_nsec = 0;
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for (num = 0; num < NSIGNALS; num += n) {
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struct timeval then, now, diff;
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RL(gettimeofday(&then, NULL));
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RL(n = kevent(kq, NULL, 0, event, 1, &timeout));
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RL(gettimeofday(&now, NULL));
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timersub(&now, &then, &diff);
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(void)printf("sig: kevent returned %d in %lld.%06ld\n",
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n, (long long)diff.tv_sec, (long)diff.tv_usec);
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if (n == 0)
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continue;
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(void)printf("sig: kevent flags: 0x%x, data: %" PRId64 " (# "
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"times signal posted)\n", event[0].flags, event[0].data);
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}
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(void)waitpid(child, &status, 0);
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(void)printf("sig: finished successfully\n");
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, sig);
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return atf_no_error();
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}
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