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system.h

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#ifndef header_system
#define header_system

class CL_EventListener;

class CL_System
//: Generic functions that didn't fit in other places.
{
public:
        static void keep_alive();
        // Checks for system events, updates input and other stuff.

        static void keep_alive(int millis);
        // Checks for system events (pump the CL_KeepAlive objects).
        // Return when 'millis' has elapsed.

        static bool keep_alive(CL_EventListener &events, int timeout = -1);
        // Checks for system events (pump the CL_KeepAlive objects).
        // Return when one of the events trigger, or when timeout has elapsed.

        static void sleep(int millis);
        // Sleep for 'millis' milliseconds.

        static unsigned int get_time();
        // Get the current time (since system boot), in milliseconds.

        static void suspend_time();
        // Suspend the time. get_time() will continue to return the same value
        // until resume_time() is called.

        static void resume_time();
        // Resumes the time. get_time() will return the current time again.
        
        static bool detect_mmx();
        // Returns true if MMX technology is available on this CPU.
        
        static bool detect_3dnow();
        // Returns true if 3DNow! technology is available on this CPU.
};

#endif

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