72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
/*
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* This file is open source software, licensed to you under the terms
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* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
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* distributed with this work for additional information regarding copyright
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* ownership. You may not use this file except in compliance with the License.
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*
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/*
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* Copyright 2016 ScyllaDB
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*/
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#define BOOST_TEST_MODULE core
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#include <boost/test/unit_test.hpp>
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#include <pthread.h>
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#include <seastar/core/posix.hh>
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#include <seastar/util/backtrace.hh>
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using namespace seastar;
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void foo() {
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throw std::runtime_error("foo");
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}
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// Exploits issue #1725
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BOOST_AUTO_TEST_CASE(test_signal_mask_is_preserved_on_unwinding) {
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sigset_t mask;
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sigset_t old;
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sigfillset(&mask);
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auto res = ::pthread_sigmask(SIG_SETMASK, &mask, &old);
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throw_pthread_error(res);
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// Check which signals we actually managed to block
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res = ::pthread_sigmask(SIG_SETMASK, NULL, &mask);
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throw_pthread_error(res);
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try {
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foo();
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} catch (...) {
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// ignore
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}
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// Check backtrace() if execinfo.h is present
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#ifndef SEASTAR_BACKTRACE_UNIMPLEMENTED
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{
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size_t count = 0;
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backtrace([&count] (auto) { ++count; });
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BOOST_REQUIRE(count > 0);
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}
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#endif
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{
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sigset_t mask2;
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auto res = ::pthread_sigmask(SIG_SETMASK, &old, &mask2);
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throw_pthread_error(res);
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for (int i = 1; i < NSIG; ++i) {
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BOOST_REQUIRE(sigismember(&mask2, i) == sigismember(&mask, i));
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}
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}
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}
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