[src/trunk]: src/tests/kernel Add a couple of simple tests for sigaction(2): ...

[jmmv <jmmv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/66a271a67131
branches:  trunk
changeset: 756374:66a271a67131
user:      jmmv <jmmv%NetBSD.org@localhost>
date:      Wed Jul 14 21:47:06 2010 +0000

description:
Add a couple of simple tests for sigaction(2): one for the case where flags
is set to 0 and the other for the case where we set SA_RESETHAND.

The latter test is intended to expose PR port-macppc/43619 and is marked as
an expected failure on such platform.

diffstat:

 tests/kernel/Makefile      |    3 +-
 tests/kernel/t_sigaction.c |  128 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 130 insertions(+), 1 deletions(-)

diffs (149 lines):

diff -r 32320ce8a020 -r 66a271a67131 tests/kernel/Makefile
--- a/tests/kernel/Makefile     Wed Jul 14 21:44:40 2010 +0000
+++ b/tests/kernel/Makefile     Wed Jul 14 21:47:06 2010 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.6 2010/07/13 21:13:25 jmmv Exp $
+# $NetBSD: Makefile,v 1.7 2010/07/14 21:47:06 jmmv Exp $
 
 NOMAN=         # defined
 
@@ -19,6 +19,7 @@
 TESTS_C+=      t_ucontext
 TESTS_C+=      t_writev
 TESTS_C+=      t_extattrctl
+TESTS_C+=      t_sigaction
 
 TESTS_SH=      t_umount
 
diff -r 32320ce8a020 -r 66a271a67131 tests/kernel/t_sigaction.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/kernel/t_sigaction.c        Wed Jul 14 21:47:06 2010 +0000
@@ -0,0 +1,128 @@
+/* $NetBSD: t_sigaction.c,v 1.1 2010/07/14 21:47:06 jmmv Exp $ */
+
+/*-
+ * Copyright (c) 2010 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/cdefs.h>
+__COPYRIGHT("@(#) Copyright (c) 2010\
+ The NetBSD Foundation, inc. All rights reserved.");
+__RCSID("$NetBSD: t_sigaction.c,v 1.1 2010/07/14 21:47:06 jmmv Exp $");
+
+#include <sys/wait.h>
+
+#include <signal.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <atf-c.h>
+#include <atf-c/config.h>
+
+#include "../h_macros.h"
+
+static bool handler_called = false;
+
+static void
+handler(int signo)
+{
+    handler_called = true;
+}
+
+static void
+sa_resethand_child(const int flags)
+{
+    struct sigaction sa;
+
+    sa.sa_flags = flags;
+    sa.sa_handler = &handler;
+    sigemptyset(&sa.sa_mask);
+
+    sigaction(SIGUSR1, &sa, NULL);
+    kill(getpid(), SIGUSR1);
+    exit(handler_called ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+
+static void
+wait_and_check_child(const pid_t pid, const char *fail_message)
+{
+       int status;
+
+       (void)waitpid(pid, &status, 0);
+
+       if (WIFEXITED(status))
+               ATF_CHECK_EQ(EXIT_SUCCESS, WEXITSTATUS(status));
+       else
+               atf_tc_fail("%s; raw exit status was %d", fail_message, status);
+}
+
+ATF_TC(sa_noflags);
+ATF_TC_HEAD(sa_noflags, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "Checks programming a signal with "
+           "sigaction(2) but without any flags");
+}
+ATF_TC_BODY(sa_noflags, tc)
+{
+       const pid_t pid = fork();
+       if (pid == -1)
+               atf_tc_fail_errno("fork(2) failed");
+       else if (pid == 0)
+               sa_resethand_child(0);
+       else
+               wait_and_check_child(pid, "Child process did not exit cleanly; "
+                   "it failed to process the signal");
+}
+
+ATF_TC(sa_resethand);
+ATF_TC_HEAD(sa_resethand, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "Checks that SA_RESETHAND works");
+}
+ATF_TC_BODY(sa_resethand, tc)
+{
+       const pid_t pid = fork();
+       if (pid == -1)
+               atf_tc_fail_errno("fork(2) failed");
+       else if (pid == 0)
+               sa_resethand_child(SA_RESETHAND);
+       else {
+               if (strcmp("macppc", atf_config_get("atf_arch")) == 0)
+                       atf_tc_expect_fail("PR port-macppc/43619");
+
+               wait_and_check_child(pid, "Child process did not exit cleanly; "
+                   "it either failed to process the signal or SA_RESETHAND is "
+                   "broken");
+       }
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+       ATF_TP_ADD_TC(tp, sa_noflags);
+       ATF_TP_ADD_TC(tp, sa_resethand);
+
+       return atf_no_error();
+}