ReadWriteLock.h

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#pragma once
 
#include <tdme/tdme.h>
#include <tdme/os/threading/fwd-tdme.h>
 
#if defined(CPPTHREADS)
    #include <shared_mutex>
    using std::shared_mutex;
#else
    #include <pthread.h>
#endif
 
#include <string>
 
using std::string;
 
/**
 * Implementation for read/write lock
 * @author Andreas Drewke
 */
class tdme::os::threading::ReadWriteLock {
public:
    /**
     * @brief Public constructor
     * @param name name
     */
    ReadWriteLock(const string& name);
 
    /**
     * @brief Destroys the read write lock
     */
    ~ReadWriteLock();
 
    /**
     * @brief Locks for reading / shared lock
     */
    void readLock();
 
    /**
     * @brief Locks for writing / exclusive lock
     */
    void writeLock();
 
    /**
     * @brief Unlocks this read write lock
     */
    void unlock();
private:
    string name;
    #if defined(CPPTHREADS)
        shared_mutex sharedMutex;
    #else
        pthread_rwlock_t pReadWriteLock;
    #endif
};