| [5224] | 1 | /* $Id: libW32kQuerySystemMemInfo.c,v 1.2 2001-02-21 07:47:59 bird Exp $
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| [5108] | 2 | *
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| 3 | * libW32kQuerySystemMemInfo - Collects more or less useful information on the
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| 4 | * memory state of the system.
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| 5 | *
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| 6 | * Copyright (c) 2001 knut st. osmundsen (knut.stange.osmundsen@mynd.no)
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| 7 | *
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| 8 | * Project Odin Software License can be found in LICENSE.TXT
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| 9 | *
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| 10 | */
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| 11 |
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| 12 |
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| 13 | /*******************************************************************************
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| 14 | * Header Files *
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| 15 | *******************************************************************************/
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| 16 | #define INCL_DOSERRORS
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| 17 | #define INCL_DOSFILEMGR
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| 18 | #define INCL_DOSDEVICES
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| 19 |
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| 20 |
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| 21 | /*******************************************************************************
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| 22 | * Internal Functions *
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| 23 | *******************************************************************************/
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| 24 | #include <os2.h>
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| 25 | #include "win32k.h"
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| [5224] | 26 | #include "libPrivate.h"
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| [5108] | 27 |
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| 28 |
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| 29 | /**
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| 30 | * Collects more or less useful information on the memory state of the system.
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| 31 | * @returns OS2 returncode.
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| 32 | * @param pMemInfo Pointer to memory info.
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| 33 | * The cb data member must contain a valid value on
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| 34 | * entry. The rest of the structure is output data
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| 35 | * and hence will only be valid on successful return.
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| 36 | * @status completely implelemented.
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| 37 | * @author knut st. osmundsen (knut.stange.osmundsen@mynd.no)
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| 38 | * @remark This function must be backward compatitible if changed.
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| 39 | */
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| 40 | APIRET APIENTRY W32kQuerySystemMemInfo(PK32SYSTEMMEMINFO pMemInfo)
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| 41 | {
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| 42 | APIRET rc;
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| 43 |
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| 44 | if (fInited)
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| 45 | {
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| 46 | K32QUERYSYSTEMMEMINFO Param;
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| 47 | ULONG cbParam = sizeof(Param);
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| 48 | ULONG cbData = 0UL;
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| 49 |
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| [5224] | 50 | Param.hdr.cb = sizeof(Param);
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| 51 | Param.hdr.rc = ERROR_NOT_SUPPORTED;
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| 52 | Param.pMemInfo = pMemInfo;
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| [5108] | 53 |
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| [5224] | 54 | if (usCGSelector)
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| 55 | return libCallThruCallGate(K32_QUERYSYSTEMMEMINFO, &Param);
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| [5108] | 56 | rc = DosDevIOCtl(hWin32k,
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| 57 | IOCTL_W32K_K32,
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| 58 | K32_QUERYSYSTEMMEMINFO,
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| 59 | &Param, sizeof(Param), &cbParam,
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| 60 | "", 1, &cbData);
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| 61 |
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| 62 | if (rc == NO_ERROR)
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| [5224] | 63 | rc = Param.hdr.rc;
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| [5108] | 64 | }
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| 65 | else
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| 66 | rc = ERROR_INIT_ROUTINE_FAILED;
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| 67 |
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| 68 | return rc;
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| 69 | }
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| 70 |
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