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/*
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
* Copyright (c) 2021, Spencer Dixon <spencercdixon@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/DistinctNumeric.h>
#include <AK/Function.h>
#include <AK/Result.h>
#include <AK/String.h>
#include <LibCore/Object.h>
#include <pthread.h>
namespace Threading {
TYPEDEF_DISTINCT_ORDERED_ID(intptr_t, ThreadError);
class Thread final : public Core::Object {
C_OBJECT(Thread);
public:
virtual ~Thread();
void start();
void detach();
template<typename T = void>
Result<T, ThreadError> join();
String thread_name() const { return m_thread_name; }
pthread_t tid() const { return m_tid; }
private:
explicit Thread(Function<intptr_t()> action, StringView thread_name = nullptr);
Function<intptr_t()> m_action;
pthread_t m_tid { 0 };
String m_thread_name;
bool m_detached { false };
};
template<typename T>
Result<T, ThreadError> Thread::join()
{
void* thread_return = nullptr;
int rc = pthread_join(m_tid, &thread_return);
if (rc != 0) {
return ThreadError { rc };
}
m_tid = 0;
if constexpr (IsVoid<T>)
return {};
else
return { static_cast<T>(thread_return) };
}
}
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