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77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/*
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* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/DistinctNumeric.h>
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#include <AK/Function.h>
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#include <AK/Result.h>
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#include <AK/String.h>
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#include <LibCore/Object.h>
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#include <pthread.h>
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namespace LibThread {
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TYPEDEF_DISTINCT_ORDERED_ID(int, ThreadError);
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class Thread final : public Core::Object {
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C_OBJECT(Thread);
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public:
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virtual ~Thread();
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void start();
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template<typename T = void>
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Result<T, ThreadError> join();
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String thread_name() const { return m_thread_name; }
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pthread_t tid() const { return m_tid; }
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private:
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explicit Thread(Function<int()> action, StringView thread_name = nullptr);
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Function<int()> m_action;
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pthread_t m_tid { 0 };
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String m_thread_name;
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};
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template<typename T>
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Result<T, ThreadError> Thread::join()
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{
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void* thread_return = nullptr;
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int rc = pthread_join(m_tid, &thread_return);
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if (rc != 0) {
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return ThreadError { rc };
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}
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m_tid = 0;
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if constexpr (IsVoid<T>::value)
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return {};
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else
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return { static_cast<T>(thread_return) };
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}
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}
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