diff options
Diffstat (limited to 'contrib/netbsd-tests/rump/rumpkern/t_kern.c')
| -rw-r--r-- | contrib/netbsd-tests/rump/rumpkern/t_kern.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/rump/rumpkern/t_kern.c b/contrib/netbsd-tests/rump/rumpkern/t_kern.c new file mode 100644 index 0000000..fcaf1f8 --- /dev/null +++ b/contrib/netbsd-tests/rump/rumpkern/t_kern.c @@ -0,0 +1,119 @@ +/* $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(); +} |
