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// Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/buildtool/system/system.hpp"
#include <array>
#include <cstdlib>
#include <string>
#ifdef __unix__
#include <unistd.h>
#else
#error "Non-unix is not supported yet"
#endif
void System::ExitWithoutCleanup(int exit_code) {
#ifdef VALGRIND_BUILD
// Usually std::_Exit() is the right thing to do in child processes that do
// not need to perform any cleanup (static destructors etc.). However,
// Valgrind will trace child processes until exec(3) is called or otherwise
// complains about leaks. Therefore, exit child processes via execvpe(3) if
// VALGRIND_BUILD is defined.
auto cmd =
std::string{exit_code == EXIT_SUCCESS ? "/bin/true" : "/bin/false"};
auto args = std::array<char*, 2>{cmd.data(), nullptr};
::execvpe(args[0], args.data(), nullptr);
#else
std::_Exit(exit_code);
#endif
}
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