NetBSD/tests/lib/libc/setjmp/t_threadjmp.c

219 lines
6.5 KiB
C

/* $NetBSD: t_threadjmp.c,v 1.1 2011/04/21 18:58:20 martin Exp $ */
/*-
* Copyright (c) 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.
*/
/*
* Copyright (c) 1994 Christopher G. Demetriou
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the
* NetBSD Project. See http://www.NetBSD.org/ for
* information about NetBSD.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
*/
#include <sys/cdefs.h>
__COPYRIGHT("@(#) Copyright (c) 2008\
The NetBSD Foundation, inc. All rights reserved.");
__RCSID("$NetBSD: t_threadjmp.c,v 1.1 2011/04/21 18:58:20 martin Exp $");
#include <sys/types.h>
#include <errno.h>
#include <setjmp.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <pthread.h>
#include <atf-c.h>
#define REQUIRE_ERRNO(x) ATF_REQUIRE_MSG(x, "%s", strerror(errno))
#define TEST_SETJMP 0
#define TEST_U_SETJMP 1
#define TEST_SIGSETJMP_SAVE 2
#define TEST_SIGSETJMP_NOSAVE 3
static pthread_t myself = NULL;
static int expectsignal;
static void
aborthandler(int signo)
{
ATF_REQUIRE(myself == pthread_self());
ATF_REQUIRE_MSG(expectsignal, "kill(SIGABRT) succeeded");
atf_tc_pass();
}
static void
h_check(int test)
{
struct sigaction sa;
jmp_buf jb;
sigjmp_buf sjb;
sigset_t ss;
int i, x;
myself = pthread_self();
i = getpid();
if (test == TEST_SETJMP || test == TEST_SIGSETJMP_SAVE)
expectsignal = 0;
else if (test == TEST_U_SETJMP || test == TEST_SIGSETJMP_NOSAVE)
expectsignal = 1;
else
atf_tc_fail("unknown test");
sa.sa_handler = aborthandler;
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
REQUIRE_ERRNO(sigaction(SIGABRT, &sa, NULL) != -1);
REQUIRE_ERRNO(sigemptyset(&ss) != -1);
REQUIRE_ERRNO(sigaddset(&ss, SIGABRT) != -1);
REQUIRE_ERRNO(sigprocmask(SIG_BLOCK, &ss, NULL) != -1);
ATF_REQUIRE(myself == pthread_self());
if (test == TEST_SETJMP)
x = setjmp(jb);
else if (test == TEST_U_SETJMP)
x = _setjmp(jb);
else
x = sigsetjmp(sjb, !expectsignal);
if (x != 0) {
ATF_REQUIRE(myself == pthread_self());
ATF_REQUIRE_MSG(x == i, "setjmp returned wrong value");
kill(i, SIGABRT);
ATF_REQUIRE_MSG(!expectsignal, "kill(SIGABRT) failed");
ATF_REQUIRE(myself == pthread_self());
atf_tc_pass();
}
ATF_REQUIRE(myself == pthread_self());
REQUIRE_ERRNO(sigprocmask(SIG_UNBLOCK, &ss, NULL) != -1);
if (test == TEST_SETJMP)
longjmp(jb, i);
else if (test == TEST_U_SETJMP)
_longjmp(jb, i);
else
siglongjmp(sjb, i);
atf_tc_fail("jmp failed");
}
ATF_TC(setjmp);
ATF_TC_HEAD(setjmp, tc)
{
atf_tc_set_md_var(tc, "descr",
"Checks pthread_self() and setjmp(3)");
}
ATF_TC_BODY(setjmp, tc)
{
h_check(TEST_SETJMP);
}
ATF_TC(_setjmp);
ATF_TC_HEAD(_setjmp, tc)
{
atf_tc_set_md_var(tc, "descr",
"Checks pthread_self() and _setjmp(3)");
}
ATF_TC_BODY(_setjmp, tc)
{
h_check(TEST_U_SETJMP);
}
ATF_TC(sigsetjmp_save);
ATF_TC_HEAD(sigsetjmp_save, tc)
{
atf_tc_set_md_var(tc, "descr",
"Checks pthread_self() and sigsetjmp(3) with savemask enabled");
}
ATF_TC_BODY(sigsetjmp_save, tc)
{
h_check(TEST_SIGSETJMP_SAVE);
}
ATF_TC(sigsetjmp_nosave);
ATF_TC_HEAD(sigsetjmp_nosave, tc)
{
atf_tc_set_md_var(tc, "descr",
"Checks pthread_self() and sigsetjmp(3) with savemask disabled");
}
ATF_TC_BODY(sigsetjmp_nosave, tc)
{
h_check(TEST_SIGSETJMP_NOSAVE);
}
ATF_TP_ADD_TCS(tp)
{
/*
* These test cases try to verify setjmp and friends in a program
* linked with pthreads, and verify that pthread_self() stays
* consistent throughout the program. A setcontext() call invoked
* by *setjmp() might clobber the TLS special register used to
* implement pthread_self().
*/
ATF_TP_ADD_TC(tp, setjmp);
ATF_TP_ADD_TC(tp, _setjmp);
ATF_TP_ADD_TC(tp, sigsetjmp_save);
ATF_TP_ADD_TC(tp, sigsetjmp_nosave);
return atf_no_error();
}