125 lines
2.7 KiB
C
125 lines
2.7 KiB
C
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/*===================================================================
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Microsoft Confidential.
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Copyright 1997 Microsoft Corporation. All Rights Reserved.
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Component: RFS
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File: rfs.h
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Owner: EricN
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This the Resource failure objects.
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===================================================================*/
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#ifdef _RFS
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#ifndef _RFS_CLS_H
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#define _RFS_CLS_H
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#include <io.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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// for failure types
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#define COUNT 1
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#define MEM 2
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#define FILE_LINE 3
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// for logging
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#define MFSLOGFILE "\\temp\\mfs.log"
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#define MFSINIFILE "\\temp\\mfs.ini"
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//RFS MACROS for memory
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#define MFS_INIT(mem) (mem).Init()
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#define MFS_ON(mem) (mem).SetRFSOn(TRUE)
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#define MFS_OFF(mem) (mem).SetRFSOn(FALSE)
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#define MFS_SETTHREAD(mem) (mem).SetThreadID(GetCurrentThreadId())
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#define MFS_WRITEDATA(mem) (mem).WriteData()
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#define MFS_STARTLOOP \
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while(TRUE) \
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{
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#define MFS_ENDLOOP(mem) }
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#define MFS_ENDLOOP_HR(mem) if (hr == S_OK) break;}
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#define MFS_EXTERN(mem) extern MemRFS (mem)
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#define MFS_CHECKFAIL(mem, size, file, line) \
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if ((mem).FailAlloc(size, file, line)) \
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return NULL
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#define MFS_START(mem) \
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MFS_INIT(mem); \
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MFS_SETTHREAD(mem); \
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MFS_ON(mem); \
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MFS_STARTLOOP
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#define MFS_END_HR(mem) \
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MFS_ENDLOOP_HR(mem); \
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MFS_WRITEDATA(mem);
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//end macros
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//rfs class
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class RFS
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{
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public:
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RFS(DWORD dwFailOn, DWORD dwThreadID);
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void SetThreadID(DWORD);
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virtual HRESULT Init() = 0;
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protected:
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BOOL m_fFail;
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DWORD m_dwCurrentAlloc;
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//this will communicate with outside program
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BOOL DetermineFailure(LPCSTR szFile = NULL, int iLineNo = -1);
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void SetFailOn(DWORD, BYTE); //after a certain amount of memory or a specific request
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void SetFailOn(LPSTR, long); //on a specific line in a file
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virtual void WriteData();
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private:
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BYTE m_bType;
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DWORD m_dwFailOn;
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DWORD m_dwTtlNumAllocs;
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DWORD m_dwThreadID;
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char m_szFailIn[MAX_PATH];
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virtual BOOL FailAlloc(void *v = NULL, LPCSTR szFile = NULL, int iLineNo = -1) = 0; //implemeneted by derived class
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virtual void Log(LPSTR pszFileName, LPSTR pszMsg);
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};
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class MemRFS : public RFS
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{
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public:
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HRESULT Init();
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MemRFS(DWORD dwFailOn = 1, DWORD dwThreadID = -1);
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void SetRFSOn(BOOL);
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void SetFailOn(DWORD, BYTE); //after a certain amount of memory or a specific request
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void SetFailOn(LPSTR, long); //on a specific line in a file
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BOOL FailAlloc(void *v = NULL, LPCSTR szFile = NULL, int iLineNo = -1);
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void WriteData();
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};
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#endif //_rfs_cls_h
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#else
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//blank out macros for non rfs build
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#define MFS_ON
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#define MFS_OFF
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#define MFS_INIT
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#define MFS_STARTLOOP
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#define MFS_ENDLOOP
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#define MFS_ENDLOOP_HR
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#define MFS_EXTERN(mem)
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#define MFS_CHECKFAIL(mem, size, file, line)
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#define MFS_SETTHREAD
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#define MFS_WRITEDATA
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#define MFS_START(mem)
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#define MFS_END_HR(mem)
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#endif //_rfs
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