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File: [cvs.NetBSD.org] / src / tests / kernel / t_lock.c (download)

Revision 1.1, Fri Feb 20 21:39:57 2009 UTC (11 years, 7 months ago) by jmmv
Branch: MAIN
CVS Tags: yamt-pagecache-tag8, yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, pgoyette-localcount-base, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, matt-premerge-20091211, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, matt-mips64-premerge-20101231, localcount-20160914, jym-xensuspend-nbase, jym-xensuspend-base, cherry-xenmp-base, cherry-xenmp, bouyer-quota2-nbase, bouyer-quota2-base, bouyer-quota2, agc-symver-base, agc-symver
Branch point for: pgoyette-localcount, jym-xensuspend

Add the kernel-level tests developed by Lukasz Strzygowski as part of the
atfify GSoC 2008 project.

/* $NetBSD: t_lock.c,v 1.1 2009/02/20 21:39:57 jmmv Exp $ */

/*-
 * Copyright (c) 2002, 2008 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/cdefs.h>
__COPYRIGHT("@(#) Copyright (c) 2008\
 The NetBSD Foundation, inc. All rights reserved.");
__RCSID("$NetBSD: t_lock.c,v 1.1 2009/02/20 21:39:57 jmmv Exp $");

#include <sys/time.h>

#include <machine/lock.h>
#include <signal.h>

#include <atf-c.h>

#include "../h_macros.h"

__cpu_simple_lock_t lk;
volatile int handled = 0;

static void
handler(int sig)
{
	handled = 1;
	__cpu_simple_unlock(&lk);
}

ATF_TC(lock);
ATF_TC_HEAD(lock, tc)
{
	atf_tc_set_md_var(tc, "timeout", "3");
	atf_tc_set_md_var(tc, "descr",
	    "Checks __cpu_simple_lock()/__cpu_simple_unlock()");
}
ATF_TC_BODY(lock, tc)
{
	struct itimerval itv;

	__cpu_simple_lock_init(&lk);

	REQUIRE_LIBC(signal(SIGVTALRM, handler), SIG_ERR);

	itv.it_interval.tv_sec = 0;
	itv.it_interval.tv_usec = 0;
	itv.it_value.tv_sec = 1;
	itv.it_value.tv_usec = 0;
	RL(setitimer(ITIMER_VIRTUAL, &itv, NULL));

	__cpu_simple_lock(&lk);
	__cpu_simple_lock(&lk);

	ATF_REQUIRE(handled);

	__cpu_simple_unlock(&lk);
}

ATF_TP_ADD_TCS(tp)
{
	ATF_TP_ADD_TC(tp, lock);

	return atf_no_error();
}