thread_inert.h

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// Evo C++ Library
/* Copyright 2019 Justin Crowell
Distributed under the BSD 2-Clause License -- see included file LICENSE.txt for details.
*/

#pragma once
#ifndef INCL_evo_thread_inert_h
#define INCL_evo_thread_inert_h

#include "impl/sys.h"

namespace evo {


template<class T>
struct SmartLockInert {
    SmartLockInert(T&)
        { }

    SmartLockInert(T&, bool)
        { }

    SmartLockInert(T&, ulong)
        { }

    SmartLockInert& lock()
        { return *this; }

    SmartLockInert& lock(ulong)
        { return *this; }

    SmartLockInert& unlock()
        { return *this; }
};


struct MutexInert {
    typedef SmartLockInert<MutexInert> Lock;            
    typedef SmartLockInert<MutexInert> LockWrite;       
    typedef SmartLockInert<MutexInert> LockRead;        
    typedef SmartLockInert<MutexInert> SleepLock;       

    bool trylock()
        { return true; }

    void lock()
        { }
    
    void sleeplock(ulong)
        { }

    void unlock()
        { }

    bool trylock_read()
        { return true; }

    void lock_read()
        { }

    void unlock_read()
        { }
};

}
#endif