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120 lines
3.9 KiB
C
120 lines
3.9 KiB
C
/* $NetBSD: t_kern.c,v 1.4 2017/01/13 21:30:43 christos Exp $ */
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/*-
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* Copyright (c) 2011 The NetBSD Foundation, Inc.
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* All rights reserved.
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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
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* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* 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
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/signal.h>
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#include <sys/wait.h>
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#include <rump/rump.h>
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#include <atf-c.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 "h_macros.h"
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#include "../kernspace/kernspace.h"
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#define LOCKFUN(_name_, _descr_,_needld_, _expect_) \
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ATF_TC(lockme_##_name_); \
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ATF_TC_HEAD(lockme_##_name_, tc) { \
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atf_tc_set_md_var(tc, "descr", _descr_); \
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} \
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ATF_TC_BODY(lockme_##_name_, tc) { \
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locktest(tc, LOCKME_##_name_, _needld_, _expect_); \
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}
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static void
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locktest(const atf_tc_t *tc, enum locktest lt, int needld, const char *expect)
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{
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extern const int rump_lockdebug;
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int pipetti[2];
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int status;
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if (needld && !rump_lockdebug)
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atf_tc_skip("test requires LOCKDEBUG kernel");
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RL(pipe(pipetti));
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switch (fork()) {
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case 0:
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RL(dup2(pipetti[1], STDOUT_FILENO));
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RL(dup2(pipetti[1], STDOUT_FILENO));
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rump_init();
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rump_schedule();
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rumptest_lockme(lt);
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rump_unschedule();
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break;
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default:
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RL(wait(&status));
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ATF_REQUIRE(WIFSIGNALED(status) && WTERMSIG(status) == SIGABRT);
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if (rump_lockdebug) {
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char buf[8192];
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ATF_REQUIRE(read(pipetti[0], buf, sizeof(buf)) > 0);
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if (strncmp(buf, expect, strlen(expect)) != 0)
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atf_tc_fail("unexpected output");
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}
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break;
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case -1:
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atf_tc_fail("fork");
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}
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}
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LOCKFUN(DESTROYHELD, "destroy lock while held", 0,
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"mutex error: lockdebug_free: is locked or in use");
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LOCKFUN(DOUBLEFREE, "free lock twice", 0,
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"panic: lockdebug_lookup: uninitialized lock");
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LOCKFUN(DOUBLEINIT, "init lock twice", 1,
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"mutex error: lockdebug_alloc: already initialized");
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LOCKFUN(MEMFREE, "free memory active lock is in", 1,
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"mutex error: kmem_intr_free: allocation contains active lock");
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LOCKFUN(MTX, "locking-against-self mutex", 0,
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"mutex error: lockdebug_wantlock: locking against myself");
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LOCKFUN(RWDOUBLEX, "locking-against-self exclusive rwlock", 0,
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"rwlock error: lockdebug_wantlock: locking against myself");
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LOCKFUN(RWRX, "rw: first shared, then exclusive", 1,
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"rwlock error: lockdebug_wantlock: locking against myself");
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LOCKFUN(RWXR, "rw: first execusive, then shared", 0,
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"rwlock error: lockdebug_wantlock: locking against myself");
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, lockme_MTX);
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ATF_TP_ADD_TC(tp, lockme_RWDOUBLEX);
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ATF_TP_ADD_TC(tp, lockme_RWRX);
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ATF_TP_ADD_TC(tp, lockme_RWXR);
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ATF_TP_ADD_TC(tp, lockme_DOUBLEINIT);
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ATF_TP_ADD_TC(tp, lockme_DOUBLEFREE);
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ATF_TP_ADD_TC(tp, lockme_DESTROYHELD);
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ATF_TP_ADD_TC(tp, lockme_MEMFREE);
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return atf_no_error();
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}
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