145 lines
2.5 KiB
C
145 lines
2.5 KiB
C
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/*++
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Microsoft Confidential
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Copyright (c) 1992-1997 Microsoft Corporation
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All rights reserved
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Module Name:
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virtual.h
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Abstract:
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Public declarations for the Change Virtual Memory dialog of the System
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Control Panel Applet
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Notes:
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The virtual memory settings and the crash dump (core dump) settings
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are tightly-coupled. Therefore, virtual.c and virtual.h have some
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heavy dependencies on crashdmp.c and startup.h (and vice versa).
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Author:
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Byron Dazey 06-Jun-1992
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Revision History:
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15-Oct-1997 scotthal
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Split public declarations into separate header
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--*/
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#ifndef _SYSDM_VIRTUAL_H_
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#define _SYSDM_VIRTUAL_H_
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//
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// Some debugging macros shared by the virtual mem and crash dump stuff
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//
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#ifdef VM_DBG
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# pragma message(__FILE__"(19): warning !!!! : compiled for DEBUG ONLY!" )
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# define DPRINTF(p) DBGPRINTF(p)
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# define DOUT(S) DBGOUT(S)
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#else
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# define DPRINTF(p)
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# define DOUT(S)
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#endif
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//
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// Constants
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//
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#define MAX_DRIVES 26 // Max number of drives.
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//
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// Type Definitions
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//
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typedef struct
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{
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BOOL fCanHavePagefile; // TRUE if the drive can have a pagefile.
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BOOL fCreateFile; // TRUE if user hits [SET] and no pagefile
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DWORD nMinFileSize; // Minimum size of pagefile in MB.
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DWORD nMaxFileSize; // Max size of pagefile in MB.
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DWORD nMinFileSizePrev; // Previous minimum size of pagefile in MB.
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DWORD nMaxFileSizePrev; // Previous max size of pagefile in MB.
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LPTSTR pszPageFile; // Path to page file if it exists on that drv
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BOOL fRamBasedPagefile; // TRUE if the pagefile size should always match RAM
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} PAGING_FILE; // Swap file structure
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//
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// Global Variables
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//
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extern HKEY ghkeyMemMgt;
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extern PAGING_FILE apf[MAX_DRIVES];
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extern PAGING_FILE apfOriginal[MAX_DRIVES];
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//
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// Public function prototypes
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//
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INT_PTR
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APIENTRY
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VirtualMemDlg(
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IN HWND hDlg,
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IN UINT message,
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IN WPARAM wParam,
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IN LPARAM lParam
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);
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BOOL
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VirtualInitStructures(
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void
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);
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void
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VirtualFreeStructures(
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void
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);
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INT
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VirtualMemComputeAllocated(
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IN HWND hWnd,
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OUT BOOL *pfTempPf
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);
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VCREG_RET
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VirtualOpenKey(
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void
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);
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void
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VirtualCloseKey(
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void
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);
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BOOL
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VirtualGetPageFiles(
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OUT PAGING_FILE *apf
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);
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void
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VirtualFreePageFiles(
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IN PAGING_FILE *apf
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);
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BOOL
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VirtualMemUpdateRegistry(
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VOID
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);
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int
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VirtualMemPromptForReboot(
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IN HWND hDlg
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);
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DWORD
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GetFreeSpaceMB(
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IN INT iDrive
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);
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VOID
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SetDlgItemMB(
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IN HWND hDlg,
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IN INT idControl,
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IN DWORD dwMBValue
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);
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#endif // _SYSDM_VIRTUAL_H_
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