thread_guard.hpp

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//============================================================================
// vSMC/include/vsmc/thread/thread_guard.hpp
//----------------------------------------------------------------------------
//                         vSMC: Scalable Monte Carlo
//----------------------------------------------------------------------------
// Copyright (c) 2013,2014, Yan Zhou
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
//
//   Redistributions in binary form must reproduce the above copyright notice,
//   this list of conditions and the following disclaimer in the documentation
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//
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//============================================================================

#ifndef VSMC_THREAD_THREAD_GUARD_HPP
#define VSMC_THREAD_THREAD_GUARD_HPP

#include <vsmc/internal/common.hpp>

namespace vsmc {

template <typename ThreadType>
class ThreadGuard
{
    public :

    typedef ThreadType thread_type;

    ThreadGuard () VSMC_NOEXCEPT {}

    ThreadGuard (const ThreadGuard &) = delete;

    ThreadGuard &operator= (const ThreadGuard &) = delete;

    ThreadGuard (thread_type &&thr) VSMC_NOEXCEPT :
        thread_(cxx11::move(thr)) {}

    ThreadGuard (ThreadGuard &&other) VSMC_NOEXCEPT :
        thread_(cxx11::move(other.thread_)) {}

    ThreadGuard &operator= (ThreadGuard &&other) VSMC_NOEXCEPT
    {thread_ = cxx11::move(other.thread_); return *this;}

    ~ThreadGuard () VSMC_NOEXCEPT {if (thread_.joinable()) thread_.join();}

    private :

    thread_type thread_;
}; // class ThreadGuard

} // namespace vsmc

#endif // VSMC_THREAD_THREAD_GUARD_HPP