diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/setjmp/t_threadjmp.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/setjmp/t_threadjmp.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/setjmp/t_threadjmp.c b/contrib/netbsd-tests/lib/libc/setjmp/t_threadjmp.c new file mode 100644 index 0000000..4437c92 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/setjmp/t_threadjmp.c @@ -0,0 +1,218 @@ +/* $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(); +} |
