UT/UT_SysResource.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Mark Elendt
 *      Side Effects Software Inc
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        UT_SysResource.h ( UT Library, C++)
 *
 * COMMENTS:    SysResource class to retrieve system specific information
 */

#ifndef __UT_SysResource__
#define __UT_SysResource__

#include "UT_API.h"
#include <SYS/SYS_Types.h>

class UT_API UT_SysResource {
public:
     UT_SysResource();
    ~UT_SysResource();

    // Do not update the CPU idle if you're calling this from a static
    // construction code path or else it will hang houdini on Windows!
    void        update( bool skip_update_idle = false );

    // Return information about memory on the system.  All results are Kb.  
    int64       getPhysMemory() const   { return myPhysMemory; }
    int64       getFreeMemory() const   { return myFreeMemory; }

    // If not supported, returns 0
    int64       getTotalSwap() const    { return myTotalSwap; }
    int64       getFreeSwap() const     { return myFreeSwap; }

    // This is a number between 0 (fully loaded) and 1 (fully idle).
    // If not supported, returns -1
    fpreal      getCPUIdle() const      { return myCPUIdle; }

    const char  *getSystemName() const  { return mySystemName; }

private:
    int64        myPhysMemory;
    int64        myFreeMemory;
    int64        myTotalSwap;
    int64        myFreeSwap;
    const char  *mySystemName;

    float        myCPUIdle;
};

#endif

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