| 1 | /* $Id: HandleManager.h,v 1.4 1999-07-06 15:48:44 phaller Exp $ */
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| 2 | 
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| 3 | /*
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| 4 |  * Project Odin Software License can be found in LICENSE.TXT
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| 5 |  * Win32 Unified Handle Manager for OS/2
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| 6 |  * 1998/02/11 PH Patrick Haller (haller@zebra.fh-weingarten.de)
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| 7 |  *
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| 8 |  * @(#) HandleManager.Cpp       1.0.0   1998/02/11 PH start
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| 9 |  */
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| 10 | 
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| 11 | #ifndef _HANDLEMANAGER_H_
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| 12 | #define _HANDLEMANAGER_H_
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| 13 | 
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| 14 | 
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| 15 | /*****************************************************************************
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| 16 |  * Remark                                                                    *
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| 17 |  *****************************************************************************
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| 18 | 
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| 19 |  1998/02/11 PH The interface to the handle manager is twofold:
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| 20 |                a) HMxxx routines to be called from the "top" from the
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| 21 |                   KERNEL32 stubs
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| 22 |                b) the HMDeviceHandler class is actually a workaround for
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| 23 |                   the device driver that would handle the requests on Win32.
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| 24 |                   To implement a new pseudo-device, one has create a new
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| 25 |                   HMDeviceHandler class and link it into the table in the
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| 26 |                   HANDLEMANAGER.CPP file.
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| 27 |  */
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| 28 | 
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| 29 | 
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| 30 | /*****************************************************************************
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| 31 |  * Includes                                                                  *
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| 32 |  *****************************************************************************/
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| 33 | 
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| 34 | #ifdef _OS2WIN_H
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| 35 | #include <winos2def.h>
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| 36 | #else
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| 37 | typedef struct {
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| 38 |     DWORD    Internal;
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| 39 |     DWORD    InternalHigh;
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| 40 |     DWORD    Offset;
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| 41 |     DWORD    OffsetHigh;
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| 42 |     HANDLE   hEvent;
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| 43 | } OVERLAPPED, *POVERLAPPED, *LPOVERLAPPED;
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| 44 | #endif
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| 45 | 
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| 46 | 
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| 47 | /*****************************************************************************
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| 48 |  * Defines & Macros                                                          *
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| 49 |  *****************************************************************************/
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| 50 | 
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| 51 |                                      /* 1998/02/12 PH Correction of os2win.h */
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| 52 | #undef FILE_TYPE_UNKNOWN
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| 53 | #define FILE_TYPE_UNKNOWN   0x0000
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| 54 | 
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| 55 | #undef FILE_TYPE_DISK
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| 56 | #define FILE_TYPE_DISK      0x0001
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| 57 | 
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| 58 | #undef FILE_TYPE_CHAR
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| 59 | #define FILE_TYPE_CHAR      0x0002
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| 60 | 
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| 61 | #undef FILE_TYPE_PIPE
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| 62 | #define FILE_TYPE_PIPE      0x0003
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| 63 | 
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| 64 | #undef FILE_TYPE_REMOTE
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| 65 | #define FILE_TYPE_REMOTE    0x8000
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| 66 | 
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| 67 | #ifndef INVALID_HANDLE_ERROR
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| 68 | #define INVALID_HANDLE_ERROR (-1)
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| 69 | #endif
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| 70 | 
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| 71 | 
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| 72 | /*****************************************************************************
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| 73 |  * Structures                                                                *
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| 74 |  *****************************************************************************/
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| 75 | 
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| 76 | 
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| 77 | /*****************************************************************************
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| 78 |  * Prototypes                                                                *
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| 79 |  *****************************************************************************/
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| 80 | 
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| 81 | DWORD  HMInitialize(void);          /* initialize the HandleManager */
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| 82 | 
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| 83 | DWORD  HMTerminate(void);            /* terminate the HandleManager */
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| 84 | 
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| 85 | 
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| 86 |  /* handle manager version of GetStdHandle, Open32 can't really help us here */
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| 87 | HANDLE  HMGetStdHandle(DWORD nStdHandle);
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| 88 | 
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| 89 |  /* handle manager version of GetStdHandle, Open32 can't really help us here */
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| 90 | BOOL    HMSetStdHandle(DWORD  nStdHandle,
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| 91 |                                HANDLE hHandle);
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| 92 | 
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| 93 | 
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| 94 | /*****************************************************************************/
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| 95 | /* handle translation buffer management                                      */
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| 96 | /*                                                                           */
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| 97 | /* Since some Win32 applications rely (!) on 16-bit handles, we've got to do */
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| 98 | /* 32-bit to 16-bit and vs vsa translation here.                             */
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| 99 | /* Filehandle-based functions should be routed via the handlemanager instead */
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| 100 | /* of going to Open32 directly.                                              */
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| 101 | /*****************************************************************************/
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| 102 | 
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| 103 | DWORD  HMHandleAllocate       (PULONG phHandle16,
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| 104 |                                        ULONG  hHandle32);
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| 105 | 
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| 106 | DWORD  HMHandleFree           (ULONG  hHandle16);
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| 107 | 
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| 108 | DWORD  HMHandleValidate       (ULONG  hHandle16);
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| 109 | 
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| 110 | DWORD  HMHandleTranslateToWin (ULONG  hHandle32,
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| 111 |                                        PULONG phHandle16);
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| 112 | 
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| 113 | DWORD  HMHandleTranslateToOS2 (ULONG  hHandle16,
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| 114 |                                        PULONG hHandle32);
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| 115 | 
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| 116 | DWORD  HMHandleTranslateToOS2i(ULONG  hHandle16);
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| 117 | 
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| 118 | 
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| 119 | /*****************************************************************************
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| 120 |  * Forwarders                                                                *
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| 121 |  *****************************************************************************/
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| 122 | 
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| 123 | // enable C linkage to avoid parameter mangling
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| 124 | #ifdef __cplusplus__
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| 125 | extern "C" {
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| 126 | #endif
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| 127 | 
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| 128 | HANDLE HMCreateEvent                (LPSECURITY_ATTRIBUTES      lpsa,
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| 129 |                                      BOOL                       bManualReset,
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| 130 |                                      BOOL                       bInitialState,
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| 131 |                                      LPCSTR                     lpName);
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| 132 | 
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| 133 | HANDLE HMCreateMutex                (LPSECURITY_ATTRIBUTES      lpsa,
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| 134 |                                      BOOL                       bInitialOwner,
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| 135 |                                      LPCSTR                     lpName);
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| 136 | 
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| 137 | HANDLE HMCreateFile                 (LPCSTR                     lpFileName,
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| 138 |                                      DWORD                      dwDesiredAccess,
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| 139 |                                      DWORD                      dwShareMode,
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| 140 |                                      LPSECURITY_ATTRIBUTES      lpSecurityAttributes,
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| 141 |                                      DWORD                      dwCreationDisposition,
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| 142 |                                      DWORD                      dwFlagsAndAttributes,
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| 143 |                                      HANDLE                     hTemplateFile);
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| 144 | 
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| 145 | HANDLE HMOpenFile                   (LPCSTR                     lpFileName,
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| 146 |                                      OFSTRUCT*                  pOFStruct,
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| 147 |                                      UINT                       fuMode);
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| 148 | 
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| 149 | HANDLE HMOpenEvent                  (DWORD                      fdwAccess,
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| 150 |                                      BOOL                       fInherit,
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| 151 |                                      LPCSTR                     lpName);
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| 152 | 
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| 153 | HANDLE HMOpenMutex                  (DWORD                      fdwAccess,
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| 154 |                                      BOOL                       fInherit,
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| 155 |                                      LPCSTR                    lpName);
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| 156 | 
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| 157 | BOOL   HMCloseHandle                (HANDLE                     hObject);
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| 158 | 
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| 159 | BOOL   HMReadFile                   (HANDLE                     hFile,
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| 160 |                                      LPVOID                     lpBuffer,
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| 161 |                                      DWORD                      nNumberOfBytesToRead,
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| 162 |                                      LPDWORD                    lpNumberOfBytesRead,
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| 163 |                                      LPOVERLAPPED               lpOverlapped);
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| 164 | 
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| 165 | BOOL   HMWriteFile                  (HANDLE                     hFile,
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| 166 |                                      LPCVOID                    lpBuffer,
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| 167 |                                      DWORD                      nNumberOfBytesToWrite,
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| 168 |                                      LPDWORD                    lpNumberOfBytesWritten,
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| 169 |                                      LPOVERLAPPED               lpOverlapped);
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| 170 | 
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| 171 | DWORD  HMGetFileType                (HANDLE                     hFile);
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| 172 | 
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| 173 | DWORD  HMDeviceRequest              (HANDLE                     hFile,
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| 174 |                                      ULONG                      ulRequestCode,
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| 175 |                                      ULONG                      arg1,
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| 176 |                                      ULONG                      arg2,
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| 177 |                                      ULONG                      arg3,
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| 178 |                                      ULONG                      arg4);
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| 179 | 
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| 180 | BOOL   HMGetFileInformationByHandle (HANDLE                     hFile,
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| 181 |                                      BY_HANDLE_FILE_INFORMATION *pHFI);
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| 182 | 
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| 183 | BOOL   HMSetEndOfFile               (HANDLE                     hFile);
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| 184 | 
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| 185 | BOOL   HMSetFileTime                (HANDLE                     hFile,
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| 186 |                                      const FILETIME             *pFT1,
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| 187 |                                      const FILETIME             *pFT2,
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| 188 |                                      const FILETIME             *pFT3);
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| 189 | 
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| 190 | DWORD  HMGetFileSize                (HANDLE                     hFile,
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| 191 |                                      PDWORD                     pSize);
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| 192 | 
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| 193 | DWORD  HMSetFilePointer             (HANDLE                     hFile,
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| 194 |                                      LONG                       lDistanceToMove,
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| 195 |                                      PLONG                      lpDistanceToMoveHigh,
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| 196 |                                      DWORD                      dwMoveMethod);
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| 197 | 
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| 198 | BOOL   HMLockFile                   (HFILE                      hFile,
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| 199 |                                      DWORD                      dwFileOffsetLow,
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| 200 |                                      DWORD                      dwFileOffsetHigh,
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| 201 |                                      DWORD                      nNumberOfBytesToLockLow,
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| 202 |                                      DWORD                      nNumberOfBytesToLockHigh);
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| 203 | 
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| 204 | BOOL   HMLockFileEx                 (HANDLE                     hFile,
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| 205 |                                      DWORD                      dwFlags,
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| 206 |                                      DWORD                      dwReserved,
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| 207 |                                      DWORD                      nNumberOfBytesToLockLow,
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| 208 |                                      DWORD                      nNumberOfBytesToLockHigh,
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| 209 |                                      LPOVERLAPPED               lpOverlapped);
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| 210 | 
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| 211 | BOOL   HMUnlockFile                 (HANDLE                     hFile,
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| 212 |                                      DWORD                      dwFileOffsetLow,
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| 213 |                                      DWORD                      dwFileOffsetHigh,
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| 214 |                                      DWORD                      cbUnlockLow,
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| 215 |                                      DWORD                      cbUnlockHigh);
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| 216 | 
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| 217 | BOOL   HMUnlockFileEx               (HANDLE                     hFile,
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| 218 |                                      DWORD                      dwFlags,
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| 219 |                                      DWORD                      dwReserved,
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| 220 |                                      DWORD                      nNumberOfBytesToLockLow,
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| 221 |                                      DWORD                      nNumberOfBytesToLockHigh,
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| 222 |                                      LPOVERLAPPED               lpOverlapped);
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| 223 | 
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| 224 | DWORD  HMWaitForSingleObject        (HANDLE                     hObject,
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| 225 |                                      DWORD                      dwTimeout);
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| 226 | 
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| 227 | DWORD  HMWaitForSingleObjectEx      (HANDLE                     hObject,
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| 228 |                                      DWORD                      dwTimeout,
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| 229 |                                      BOOL                       fAlertable);
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| 230 | 
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| 231 | DWORD  HMWaitForMultipleObjects     (DWORD                      cObjects,
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| 232 |                                      HANDLE                    *lphObjects,
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| 233 |                                      BOOL                       fWaitAll,
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| 234 |                                      DWORD                      dwTimeout);
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| 235 | 
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| 236 | DWORD  HMWaitForMultipleObjectsEx   (DWORD                      cObjects,
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| 237 |                                      HANDLE                    *lphObjects,
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| 238 |                                      BOOL                       fWaitAll,
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| 239 |                                      DWORD                      dwTimeout,
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| 240 |                                      BOOL                       fAlertable);
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| 241 | 
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| 242 | BOOL   HMFlushFileBuffers           (HANDLE                     hObject);
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| 243 | 
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| 244 | BOOL   HMGetOverlappedResult        (HANDLE                     hObject,
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| 245 |                                      LPOVERLAPPED               lpOverlapped,
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| 246 |                                      LPDWORD                    lpNumberOfBytesTransferred,
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| 247 |                                      BOOL                       bWait);
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| 248 | 
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| 249 | BOOL   HMReleaseMutex               (HANDLE                     hObject);
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| 250 | 
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| 251 | BOOL   HMSetEvent                   (HANDLE                     hEvent);
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| 252 | 
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| 253 | BOOL   HMPulseEvent                 (HANDLE                     hEvent);
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| 254 | 
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| 255 | BOOL   HMResetEvent                 (HANDLE                     hEvent);
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| 256 | 
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| 257 | HANDLE HMCreateSemaphore            (LPSECURITY_ATTRIBUTES      lpsa,
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| 258 |                                      LONG                       lInitialCount,
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| 259 |                                      LONG                       lMaximumCount,
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| 260 |                                      LPCSTR                     lpszSemaphoreName);
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| 261 | 
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| 262 | HANDLE HMOpenSemaphore              (DWORD                      fdwAccess,
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| 263 |                                      BOOL                       fInheritHandle,
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| 264 |                                      LPCSTR                     lpszSemaphoreName);
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| 265 | 
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| 266 | BOOL   HMReleaseSemaphore           (HANDLE                     hSemaphore,
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| 267 |                                      LONG                       cReleaseCount,
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| 268 |                                      LPLONG                     lpPreviousCount);
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| 269 | 
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| 270 | 
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| 271 | #ifdef __cplusplus__
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| 272 |   }
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| 273 | #endif
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| 274 | 
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| 275 | #endif /* _HANDLEMANAGER_H_ */
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