AtomicOperations.h

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#pragma once
 
#include <tdme/os/threading/fwd-tdme.h>
 
#include <tdme/tdme.h>
 
#if defined(_WIN32) && defined(_MSC_VER)
    #define NOMINMAX
    #include <windows.h>
#endif
 
/**
 * Atomic operations
 * @author Andreas Drewke
 */
class tdme::os::threading::AtomicOperations {
public:
 
    /**
     * Increment uint32 value and return its value
     * @param value reference to value
     * @param byValue value you like to add
     * @return incremented value
     */
    inline static uint32_t increment(volatile uint32_t& value, uint32_t byValue = 1) {
        #if defined(_WIN32) && defined(_MSC_VER)
            return InterlockedAdd((volatile long*)&value, (long)byValue);
        #else
            return __sync_add_and_fetch(&value, byValue);
        #endif
    }
 
    /**
     * Decrement uint32 value and return its value
     * @param value reference to value
     * @param byValue value you like to subtract
     * @return decremented value
     */
    inline static uint32_t decrement(volatile uint32_t& value, uint32_t byValue = 1) {
        #if defined(_WIN32) && defined(_MSC_VER)
            return InterlockedAdd((volatile long*)&value, (long)-byValue);
        #else
            return __sync_sub_and_fetch(&value, byValue);
        #endif
    }
 
};