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

Revision 1.2, Fri Jan 13 21:30:41 2017 UTC (3 years, 5 months ago) by christos
Branch: MAIN
CVS Tags: prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, matt-nb8-mediatek-base, matt-nb8-mediatek, is-mlppp-base, is-mlppp, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, HEAD
Changes since 1.1: +3 -3 lines

Don't play with "../.." in includes for h_macros.h; deal with it centrally.
Minor fixes.

/* $NetBSD: t_lock.c,v 1.2 2017/01/13 21:30:41 christos 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 1.2 2017/01/13 21:30:41 christos 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();
}