Reintegrate head@r273095

Sponsored by:	The FreeBSD Foundation

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();
+}