llsys.h

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#ifndef LL_SYS_H
#define LL_SYS_H

//
// The LLOSInfo, LLCPUInfo, and LLMemoryInfo classes are essentially
// the same, but query different machine subsystems. Here's how you
// use an LLCPUInfo object:
//
//  LLCPUInfo info;
//  llinfos << info << llendl;
//

#include <iosfwd>
#include <string>

class LLOSInfo
{
public:
        LLOSInfo();
        void stream(std::ostream& s) const;

        const std::string& getOSString() const;

        S32 mMajorVer;
        S32 mMinorVer;
        S32 mBuild;

#ifndef LL_WINDOWS
        static S32 getMaxOpenFiles();
#endif

        static U32 getProcessVirtualSizeKB();
        static U32 getProcessResidentSizeKB();
private:
        std::string mOSString;
};


class LLCPUInfo
{
public:
        LLCPUInfo();    
        void stream(std::ostream& s) const;

        std::string getCPUString() const;

        bool hasAltivec() const;
        bool hasSSE() const;
        bool hasSSE2() const;
        S32      getMhz() const;

        // Family is "AMD Duron" or "Intel Pentium Pro"
        const std::string& getFamily() const { return mFamily; }

private:
        bool mHasSSE;
        bool mHasSSE2;
        bool mHasAltivec;
        S32 mCPUMhz;
        std::string mFamily;
        std::string mCPUString;
};

//=============================================================================
//
//      CLASS           LLMemoryInfo

class LLMemoryInfo

{
public:
        LLMemoryInfo(); 
        void stream(std::ostream& s) const;     

        U32 getPhysicalMemoryKB() const; 
        
        U32 getPhysicalMemoryClamped() const; 
};


std::ostream& operator<<(std::ostream& s, const LLOSInfo& info);
std::ostream& operator<<(std::ostream& s, const LLCPUInfo& info);
std::ostream& operator<<(std::ostream& s, const LLMemoryInfo& info);

// gunzip srcfile into dstfile.  Returns FALSE on error.
BOOL gunzip_file(const char *srcfile, const char *dstfile);
// gzip srcfile into dstfile.  Returns FALSE on error.
BOOL gzip_file(const char *srcfile, const char *dstfile);

extern LLCPUInfo gSysCPU;

#endif // LL_LLSYS_H

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