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/* $NetBSD: t_kern.c,v 1.3 2012/01/30 13:05:52 njoly Exp $ */
/*-
* Copyright (c) 2011 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/types.h>
#include <sys/signal.h>
#include <sys/wait.h>
#include <rump/rump.h>
#include <atf-c.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "../../h_macros.h"
#include "../kernspace/kernspace.h"
#define LOCKFUN(_name_, _descr_,_needld_, _expect_) \
ATF_TC(lockme_##_name_); \
ATF_TC_HEAD(lockme_##_name_, tc) { \
atf_tc_set_md_var(tc, "descr", _descr_); \
} \
ATF_TC_BODY(lockme_##_name_, tc) { \
locktest(tc, LOCKME_##_name_, _needld_, _expect_); \
}
static void
locktest(const atf_tc_t *tc, enum locktest lt, int needld, const char *expect)
{
extern const int rump_lockdebug;
int pipetti[2];
int status;
if (needld && !rump_lockdebug)
atf_tc_skip("test requires LOCKDEBUG kernel");
RL(pipe(pipetti));
switch (fork()) {
case 0:
RL(dup2(pipetti[1], STDOUT_FILENO));
RL(dup2(pipetti[1], STDOUT_FILENO));
rump_init();
rump_schedule();
rumptest_lockme(lt);
rump_unschedule();
break;
default:
RL(wait(&status));
ATF_REQUIRE(WIFSIGNALED(status) && WTERMSIG(status) == SIGABRT);
if (rump_lockdebug) {
char buf[8192];
ATF_REQUIRE(read(pipetti[0], buf, sizeof(buf)) > 0);
if (strncmp(buf, expect, strlen(expect)) != 0)
atf_tc_fail("unexpected output");
}
break;
case -1:
atf_tc_fail("fork");
}
}
LOCKFUN(DESTROYHELD, "destroy lock while held", 0,
"mutex error: lockdebug_free: is locked or in use");
LOCKFUN(DOUBLEFREE, "free lock twice", 0,
"panic: lockdebug_lookup: uninitialized lock");
LOCKFUN(DOUBLEINIT, "init lock twice", 1,
"mutex error: lockdebug_alloc: already initialized");
LOCKFUN(MEMFREE, "free memory active lock is in", 1,
"mutex error: kmem_intr_free: allocation contains active lock");
LOCKFUN(MTX, "locking-against-self mutex", 0,
"mutex error: lockdebug_wantlock: locking against myself");
LOCKFUN(RWDOUBLEX, "locking-against-self exclusive rwlock", 0,
"rwlock error: lockdebug_wantlock: locking against myself");
LOCKFUN(RWRX, "rw: first shared, then exclusive", 1,
"rwlock error: lockdebug_wantlock: locking against myself");
LOCKFUN(RWXR, "rw: first execusive, then shared", 0,
"rwlock error: lockdebug_wantlock: locking against myself");
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, lockme_MTX);
ATF_TP_ADD_TC(tp, lockme_RWDOUBLEX);
ATF_TP_ADD_TC(tp, lockme_RWRX);
ATF_TP_ADD_TC(tp, lockme_RWXR);
ATF_TP_ADD_TC(tp, lockme_DOUBLEINIT);
ATF_TP_ADD_TC(tp, lockme_DOUBLEFREE);
ATF_TP_ADD_TC(tp, lockme_DESTROYHELD);
ATF_TP_ADD_TC(tp, lockme_MEMFREE);
return atf_no_error();
}
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