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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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.
*/
#include "mongo/platform/basic.h"
#include <cmath>
#include <csignal>
#include <cstdlib>
#include "mongo/unittest/death_test.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/signal_handlers_synchronous.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kTest
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(SIGILL)
FATAL_SIGNAL(SIGABRT)
#if !__has_feature(address_sanitizer)
// These signals trip the leak sanitizer
FATAL_SIGNAL(SIGSEGV)
FATAL_SIGNAL(SIGBUS)
FATAL_SIGNAL(SIGFPE)
#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;
// This is a workaround for https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83400. We should delete
// this variable once we are on a compiler that doesn't require it.
volatile bool workaroundGCCBug = true; // NOLINT
if (workaroundGCCBug)
uasserted(28719, "Non-fatal first exception");
}
} // namespace
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