MRTbbThreadMutex.h

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#pragma once
 
#include "MRMeshFwd.h"
 
#include "MRPch/MRBindingMacros.h"
 
#include <atomic>
#include <optional>
#include <thread>
 
namespace MR
{
 

class MR_BIND_IGNORE TbbThreadMutex
{
public:
    MRMESH_API explicit TbbThreadMutex( std::thread::id id = std::this_thread::get_id() );

    class LockGuard
    {
        friend class TbbThreadMutex;
        TbbThreadMutex* mutex_{ nullptr };
 
        explicit LockGuard( TbbThreadMutex& mutex ) : mutex_( &mutex ) {}
 
    public:
        LockGuard( const LockGuard& ) = delete;
        MRMESH_API LockGuard( LockGuard&& other );
 
        MRMESH_API ~LockGuard();
    };

    MRMESH_API std::optional<LockGuard> tryLock();
 
private:
    std::thread::id id_;
    std::atomic_flag lockFlag_;
};
 
}