| 1 | /* $Id: OS2KSM.h,v 1.2 2001-02-11 14:59:56 bird Exp $
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| 2 | *
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| 3 | * OS/2 kernel swapper manager stuff.
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| 4 | *
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| 5 | * Copyright (c) 2001 knut st. osmundsen (knut.stange.osmundsen@mynd.no)
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| 6 | *
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| 7 | * Project Odin Software License can be found in LICENSE.TXT
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| 8 | *
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| 9 | */
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| 10 | #ifndef _OS2KSM_H_
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| 11 | #define _OS2KSM_H_
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| 12 |
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| 13 |
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| 14 | /**
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| 15 | * Swapping enabled flag.
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| 16 | * Two states:<ul>
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| 17 | * <li> 1 - Swapping enabled.
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| 18 | * <li> 0 - Swapping disabled. </ul>
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| 19 | */
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| 20 | extern PSHORT pSMswapping;
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| 21 | #define SMswapping (*pSMswapping)
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| 22 |
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| 23 | /**
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| 24 | * Real swapper file size in disk frames (ie. pages).
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| 25 | */
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| 26 | extern PULONG psmFileSize;
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| 27 | #define smFileSize (*psmFileSize)
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| 28 |
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| 29 | /**
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| 30 | * Number of broken disk frames.
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| 31 | */
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| 32 | extern PULONG psmcBrokenDF;
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| 33 | #define smcBrokenDF (*psmcBrokenDF)
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| 34 |
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| 35 | /**
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| 36 | * Number of disk frames (DF) currently in use.
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| 37 | */
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| 38 | extern PULONG pSMcDFInuse;
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| 39 | #define SMcDFInuse (*pSMcDFInuse)
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| 40 |
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| 41 | /**
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| 42 | * Number of available disk frames (DF) currently.
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| 43 | */
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| 44 | #define SMcDFAvail (smFileSize - smcBrokenDF - SMcDFInuse)
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| 45 |
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| 46 | /**
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| 47 | * The minimum free space on the swap volume (in pages). (Addjusted SMCFGMinFree)
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| 48 | */
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| 49 | extern PULONG pSMMinFree;
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| 50 | #define SMMinFree (*pSMMinFree)
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| 51 |
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| 52 | /**
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| 53 | * The minimum free space on the swap volumen (in pages * 4) specified in config.sys.
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| 54 | */
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| 55 | extern PULONG pSMCFGMinFree;
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| 56 | #define SMCFGMinFree (*pSMCFGMinFree)
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| 57 |
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| 58 | /**
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| 59 | * The initial swapfile size (in pages * 4) specified in config.sys.
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| 60 | */
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| 61 | extern PULONG pSMCFGSwapSize;
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| 62 | #define SMCFGSwapSize (*pSMCFGSwapSize)
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| 63 |
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| 64 | /**
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| 65 | * Number of swapper grow attempt which has failed since boot.
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| 66 | */
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| 67 | extern PULONG psmcGrowFails;
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| 68 | #define smcGrowFails (*psmcGrowFails)
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| 69 |
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| 70 | /**
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| 71 | * Number of pages in a in memory swap file.
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| 72 | * This count isn't counted into the SMcDFInuse count I think.
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| 73 | */
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| 74 | extern PULONG pSMcInMemFile;
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| 75 | #define SMcInMemFile (*pSMcInMemFile)
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| 76 |
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| 77 |
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| 78 | #endif
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