SystemInfo.hpp

/*
	Copyright (c) 2009-2011 Christopher A. Taylor.  All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are met:

	* Redistributions of source code must retain the above copyright notice,
	  this list of conditions and the following disclaimer.
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	  and/or other materials provided with the distribution.
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	AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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*/

#ifndef CAT_SYSTEM_INFO_HPP
#define CAT_SYSTEM_INFO_HPP

#include <cat/lang/Singleton.hpp>

namespace cat {


class CAT_EXPORT SystemInfo : public Singleton<SystemInfo>
{
	bool OnInitialize();

	// Number of bytes in each CPU cache line
	u32 _CacheLineBytes;

	// Number of processors
	u32 _ProcessorCount;

	// Page size
	u32 _PageSize;

	// Allocation granularity
	u32 _AllocationGranularity;

	// Maximum sector size of all fixed disks
	u32 _MaxSectorSize;

public:
	CAT_INLINE u32 GetCacheLineBytes() { return _CacheLineBytes; }
	CAT_INLINE u32 GetProcessorCount() { return _ProcessorCount; }
	CAT_INLINE u32 GetPageSize() { return _PageSize; }
	CAT_INLINE u32 GetAllocationGranularity() { return _AllocationGranularity; }
	CAT_INLINE u32 GetMaxSectorSize() { return _MaxSectorSize; }
};


} // namespace cat

#endif // CAT_SYSTEM_INFO_HPP