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+/**
+ * Copyright (C) 2015 MongoDB Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, the copyright holders give permission to link the
+ * code of portions of this program with the OpenSSL library under certain
+ * conditions as described in each individual source file and distribute
+ * linked combinations including the program with the OpenSSL library. You
+ * must comply with the GNU Affero General Public License in all respects for
+ * all of the code used other than as permitted herein. If you modify file(s)
+ * with this exception, you may extend this exception to your version of the
+ * file(s), but you are not obligated to do so. If you do not wish to do so,
+ * delete this exception statement from your version. If you delete this
+ * exception statement from all source files in the program, then also delete
+ * it in the license file.
+ */
+
+#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kDefault
+
+#include "mongo/platform/basic.h"
+
+#include <cmath>
+#include <cstdlib>
+#include <csignal>
+
+#include "mongo/unittest/unittest.h"
+#include "mongo/unittest/death_test.h"
+#include "mongo/util/signal_handlers_synchronous.h"
+
+namespace {
+using namespace mongo;
+
+// Tests of signals that should be ignored raise each signal twice, to ensure that the handler isn't
+// reset.
+#define IGNORED_SIGNAL(SIGNUM) \
+ TEST(IgnoredSignalTest, SIGNUM##_) { \
+ ASSERT_EQ(0, raise(SIGNUM)); \
+ ASSERT_EQ(0, raise(SIGNUM)); \
+ }
+
+#define FATAL_SIGNAL(SIGNUM) \
+ DEATH_TEST(FatalSignalTest, SIGNUM##_, str::stream() << "Got signal: " << SIGNUM << " ") { \
+ ASSERT_EQ(0, raise(SIGNUM)); \
+ }
+
+IGNORED_SIGNAL(SIGUSR2)
+IGNORED_SIGNAL(SIGHUP)
+IGNORED_SIGNAL(SIGPIPE)
+FATAL_SIGNAL(SIGQUIT)
+FATAL_SIGNAL(SIGABRT)
+FATAL_SIGNAL(SIGFPE)
+FATAL_SIGNAL(SIGILL)
+
+#if not defined(__has_feature)
+#define __has_feature(X) 0
+#endif
+
+#if !__has_feature(address_sanitizer)
+// These signals trip the leak sanitizer
+FATAL_SIGNAL(SIGSEGV)
+FATAL_SIGNAL(SIGBUS)
+#endif
+
+DEATH_TEST(FatalTerminateTest,
+ TerminateIsFatalWithoutException,
+ "terminate() called. No exception") {
+ std::terminate();
+}
+
+DEATH_TEST(FatalTerminateTest,
+ TerminateIsFatalWithDBException,
+ " terminate() called. An exception is active") {
+ try {
+ uasserted(28720, "Fatal DBException occurrence");
+ } catch (...) {
+ std::terminate();
+ }
+}
+
+DEATH_TEST(FatalTerminateTest,
+ TerminateIsFatalWithDoubleException,
+ "terminate() called. An exception is active") {
+ class ThrowInDestructor {
+ public:
+ ~ThrowInDestructor() {
+ uasserted(28721, "Fatal second exception");
+ }
+ } tid;
+ uasserted(28719, "Non-fatal first exception");
+}
+
+} // namespace