| 1 | /* $Id: npipe.cpp,v 1.9 2000-07-12 18:21:44 sandervl Exp $ */
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| 2 | /*
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| 3 | * Win32 Named pipes API
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| 4 | *
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| 5 | * Copyright 1998 Sander van Leeuwen
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| 6 | * Copyright 2000 Przemyslaw Dobrowolski
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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 | #include <odin.h>
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| 11 | #include <odinwrap.h>
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| 12 | #include <os2win.h>
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| 13 | #include <stdlib.h>
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| 14 | #include <unicode.h>
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| 15 | #include <heapstring.h>
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| 16 | #include <options.h>
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| 17 | #include <HandleManager.h>
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| 18 | #include "debugtools.h"
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| 19 | #include "oslibdos.h"
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| 20 |
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| 21 |
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| 22 | #define DBG_LOCALLOG DBG_npipe
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| 23 | #include "dbglocal.h"
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| 24 |
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| 25 | ODINDEBUGCHANNEL(KERNEL32-NPIPE)
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| 26 |
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| 27 | //******************************************************************************
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| 28 | //******************************************************************************
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| 29 | ODINFUNCTION6(BOOL,PeekNamedPipe,HANDLE ,hPipe,
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| 30 | LPVOID ,lpvBuffer,
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| 31 | DWORD ,cbBuffer,
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| 32 | LPDWORD,lpcbRead,
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| 33 | LPDWORD,lpcbAvail,
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| 34 | LPDWORD,lpcbMessage)
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| 35 | {
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| 36 | return (HMPeekNamedPipe(hPipe,lpvBuffer,cbBuffer,lpcbRead,lpcbAvail,lpcbMessage));
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| 37 | }
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| 38 | //******************************************************************************
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| 39 | //LPSECURITY_ATTRIBUTES lpsa; /* address of security attributes */
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| 40 | //******************************************************************************
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| 41 | ODINFUNCTION4(BOOL, CreatePipe,
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| 42 | PHANDLE, phRead,
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| 43 | PHANDLE, phWrite,
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| 44 | LPSECURITY_ATTRIBUTES,lpsa,
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| 45 | DWORD, cbPipe)
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| 46 | {
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| 47 | return (HMCreatePipe(phRead,phWrite,lpsa,cbPipe));
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| 48 | }
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| 49 |
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| 50 |
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| 51 | //******************************************************************************
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| 52 | //******************************************************************************
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| 53 | ODINFUNCTION8(HANDLE,CreateNamedPipeA,LPCTSTR,lpName, DWORD,dwOpenMode, DWORD,dwPipeMode,
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| 54 | DWORD, nMaxInstances, DWORD, nOutBufferSize,
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| 55 | DWORD, nInBufferSize, DWORD, nDefaultTimeOut,
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| 56 | LPSECURITY_ATTRIBUTES, lpSecurityAttributes)
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| 57 |
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| 58 | {
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| 59 | return (HMCreateNamedPipe(lpName,
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| 60 | dwOpenMode,
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| 61 | dwPipeMode,
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| 62 | nMaxInstances,
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| 63 | nOutBufferSize,
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| 64 | nInBufferSize,
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| 65 | nDefaultTimeOut,
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| 66 | lpSecurityAttributes));
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| 67 |
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| 68 | }
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| 69 | //******************************************************************************
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| 70 | //******************************************************************************
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| 71 | ODINFUNCTION8(HANDLE,CreateNamedPipeW,LPCWSTR,lpName, DWORD,dwOpenMode, DWORD,dwPipeMode,
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| 72 | DWORD, nMaxInstances, DWORD, nOutBufferSize,
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| 73 | DWORD, nInBufferSize, DWORD, nDefaultTimeOut,
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| 74 | LPSECURITY_ATTRIBUTES,lpSecurityAttributes)
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| 75 | {
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| 76 | char *asciiname;
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| 77 | HANDLE hPipe;
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| 78 |
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| 79 | asciiname = UnicodeToAsciiString((LPWSTR)lpName);
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| 80 |
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| 81 | hPipe=HMCreateNamedPipe(asciiname,
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| 82 | dwOpenMode,
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| 83 | dwPipeMode,
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| 84 | nMaxInstances,
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| 85 | nOutBufferSize,
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| 86 | nInBufferSize,
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| 87 | nDefaultTimeOut,
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| 88 | lpSecurityAttributes);
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| 89 |
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| 90 | FreeAsciiString(asciiname);
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| 91 |
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| 92 | return(hPipe);
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| 93 | }
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| 94 | //******************************************************************************
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| 95 | //******************************************************************************
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| 96 |
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| 97 |
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| 98 | /*****************************************************************************
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| 99 | * Name : BOOL WIN32API ConnectNamedPipe
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| 100 | * Purpose : The ConnectNamedPipe function enables a named pipe server process
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| 101 | * to wait for a client process to connect to an instance of a
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| 102 | * named pipe. A client process connects by calling either the
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| 103 | * CreateFile or CallNamedPipe function.
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| 104 | * Parameters: HANDLE hNamedPipe handle to named pipe to connect
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| 105 | * LPOVERLAPPED lpOverlapped pointer to overlapped structure
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| 106 | * Variables :
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| 107 | * Result : If the function succeeds, the return value is nonzero.
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| 108 | * If the function fails, the return value is zero.
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| 109 | * To get extended error information, call GetLastError.
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| 110 | * Remark :
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| 111 | * Status : NOT FULLY TESTED
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| 112 | *
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| 113 | * Author : Przemyslaw Dobrowolski [Sun, 2000/01/02 12:48]
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| 114 | *****************************************************************************/
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| 115 | ODINFUNCTION2(BOOL,ConnectNamedPipe,HANDLE,hNamedPipe, LPOVERLAPPED,lpOverlapped)
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| 116 | {
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| 117 | return (HMConnectNamedPipe(hNamedPipe,lpOverlapped));
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| 118 | }
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| 119 |
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| 120 | /*****************************************************************************
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| 121 | * Name : BOOL WIN32AOI CallNamedPipeA
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| 122 | * Purpose : The CallNamedPipe function connects to a message-type pipe
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| 123 | * (and waits if an instance of the pipe is not available),
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| 124 | * writes to and reads from the pipe, and then closes the pipe.
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| 125 | * Parameters: LPCSTR lpNamedPipeName pointer to pipe name
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| 126 | * LPVOID lpInBuffer pointer to write buffer
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| 127 | * DWORD nInBufferSize size, in bytes, of write buffer
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| 128 | * LPVOID lpOutBuffer pointer to read buffer
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| 129 | * DWORD nOutBufferSize size, in bytes, of read buffer
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| 130 | * LPDWORD lpBytesRead pointer to number of bytes read
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| 131 | * DWORD nTimeOut time-out time, in milliseconds
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| 132 | * Variables :
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| 133 | * Result : If the function succeeds, the return value is nonzero.
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| 134 | * If the function fails, the return value is zero.
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| 135 | * To get extended error information, call GetLastError.
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| 136 | * Remark : Calling CallNamedPipe is equivalent to calling the CreateFile
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| 137 | * (or WaitNamedPipe, if CreateFile cannot open the pipe immediately),
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| 138 | * TransactNamedPipe, and CloseHandle functions. CreateFile is called
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| 139 | * with an access flag of GENERIC_READ | GENERIC_WRITE, an inherit
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| 140 | * handle flag of FALSE, and a share mode of zero (indicating no
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| 141 | * sharing of this pipe instance).
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| 142 | * If the message written to the pipe by the server process is
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| 143 | * longer than nOutBufferSize, CallNamedPipe returns FALSE, and
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| 144 | * GetLastError returns ERROR_MORE_DATA. The remainder of the
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| 145 | * message is discarded, because CallNamedPipe closes the handle
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| 146 | * to the pipe before returning.
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| 147 | *
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| 148 | * CallNamedPipe fails if the pipe is a byte-type pipe.
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| 149 | * Status : NOT FULLY TESTED
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| 150 | *
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| 151 | * Author : Przemyslaw Dobrowolski [Mon, 2000/01/03 13:32]
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| 152 | *****************************************************************************/
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| 153 |
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| 154 | ODINFUNCTION7(BOOL,CallNamedPipeA,LPCSTR , lpNamedPipeName,
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| 155 | LPVOID , lpInBuffer,
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| 156 | DWORD , nInBufferSize,
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| 157 | LPVOID , lpOutBuffer,
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| 158 | DWORD , nOutBufferSize,
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| 159 | LPDWORD, lpBytesRead,
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| 160 | DWORD , nTimeOut)
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| 161 | {
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| 162 | return(OSLibDosCallNamedPipe(lpNamedPipeName,
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| 163 | lpInBuffer,
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| 164 | nInBufferSize,
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| 165 | lpOutBuffer,
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| 166 | nOutBufferSize,
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| 167 | lpBytesRead,
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| 168 | nTimeOut ));
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| 169 | }
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| 170 |
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| 171 | /*****************************************************************************
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| 172 | * Name : BOOL WIN32AOI CallNamedPipeW
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| 173 | * Purpose : The CallNamedPipe function connects to a message-type pipe
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| 174 | * (and waits if an instance of the pipe is not available),
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| 175 | * writes to and reads from the pipe, and then closes the pipe.
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| 176 | * Parameters: LPCWSTR lpNamedPipeName pointer to pipe name
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| 177 | * LPVOID lpInBuffer pointer to write buffer
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| 178 | * DWORD nInBufferSize size, in bytes, of write buffer
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| 179 | * LPVOID lpOutBuffer pointer to read buffer
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| 180 | * DWORD nOutBufferSize size, in bytes, of read buffer
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| 181 | * LPDWORD lpBytesRead pointer to number of bytes read
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| 182 | * DWORD nTimeOut time-out time, in milliseconds
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| 183 | * Variables :
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| 184 | * Result : If the function succeeds, the return value is nonzero.
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| 185 | * If the function fails, the return value is zero.
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| 186 | * To get extended error information, call GetLastError.
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| 187 | * Remark : Calling CallNamedPipe is equivalent to calling the CreateFile
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| 188 | * (or WaitNamedPipe, if CreateFile cannot open the pipe immediately),
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| 189 | * TransactNamedPipe, and CloseHandle functions. CreateFile is called
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| 190 | * with an access flag of GENERIC_READ | GENERIC_WRITE, an inherit
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| 191 | * handle flag of FALSE, and a share mode of zero (indicating no
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| 192 | * sharing of this pipe instance).
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| 193 | * If the message written to the pipe by the server process is
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| 194 | * longer than nOutBufferSize, CallNamedPipe returns FALSE, and
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| 195 | * GetLastError returns ERROR_MORE_DATA. The remainder of the
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| 196 | * message is discarded, because CallNamedPipe closes the handle
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| 197 | * to the pipe before returning.
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| 198 | *
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| 199 | * CallNamedPipe fails if the pipe is a byte-type pipe.
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| 200 | * Status : NOT FULLY TESTED
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| 201 | *
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| 202 | * Author : Przemyslaw Dobrowolski [Mon, 2000/01/03 13:33]
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| 203 | *****************************************************************************/
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| 204 | ODINFUNCTION7(BOOL,CallNamedPipeW,LPCWSTR , lpNamedPipeName,
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| 205 | LPVOID , lpInBuffer,
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| 206 | DWORD , nInBufferSize,
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| 207 | LPVOID , lpOutBuffer,
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| 208 | DWORD , nOutBufferSize,
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| 209 | LPDWORD, lpBytesRead,
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| 210 | DWORD , nTimeOut)
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| 211 | {
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| 212 | char *asciiname;
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| 213 | BOOL rc;
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| 214 |
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| 215 | asciiname = UnicodeToAsciiString((LPWSTR)lpNamedPipeName);
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| 216 |
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| 217 | rc=OSLibDosCallNamedPipe(asciiname,
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| 218 | lpInBuffer,
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| 219 | nInBufferSize,
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| 220 | lpOutBuffer,
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| 221 | nOutBufferSize,
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| 222 | lpBytesRead,
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| 223 | nTimeOut );
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| 224 |
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| 225 | FreeAsciiString(asciiname);
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| 226 |
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| 227 | return(rc);
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| 228 | }
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| 229 |
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| 230 | /*****************************************************************************
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| 231 | * Name : BOOL WIN32API DisconnectNamedPipe
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| 232 | * Purpose : The DisconnectNamedPipe function disconnects the server end
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| 233 | * of a named pipe instance from a client process.
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| 234 | * Parameters: HANDLE hNamedPipe handle to named pipe
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| 235 | * Variables :
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| 236 | * Result : If the function succeeds, the return value is nonzero.
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| 237 | * If the function fails, the return value is zero
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| 238 | * Remark :
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| 239 | * Status : NOT FULLY TESTED
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| 240 | *
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| 241 | * Author : Przemyslaw Dobrowolski [Mon, 2000/01/03 13:34]
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| 242 | *****************************************************************************/
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| 243 |
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| 244 | ODINFUNCTION1(BOOL,DisconnectNamedPipe,HANDLE,hNamedPipe)
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| 245 | {
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| 246 | return (HMDisconnectNamedPipe(hNamedPipe));
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| 247 | }
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| 248 |
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| 249 | /*****************************************************************************
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| 250 | * Name : BOOL GetNamedPipeHandleStateA
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| 251 | * Purpose : The GetNamedPipeHandleStateA function retrieves information about
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| 252 | * a specified named pipe. The information returned can vary during
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| 253 | * the lifetime of an instance of the named pipe.
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| 254 | * Parameters: HANDLE hNamedPipe handle of named pipe
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| 255 | * LPDWORD lpState address of flags indicating pipe state
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| 256 | * LPDWORD lpCurInstances address of number of current pipe instances
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| 257 | * LPDWORD lpMaxCollectionCount address of max. bytes before remote transmission
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| 258 | * LPDWORD lpCollectDataTimeout address of max. time before remote transmission
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| 259 | * LPTSTR lpUserName address of user name of client process
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| 260 | * DWORD nMaxUserNameSize size, in characters, of user name buffer
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| 261 | * Variables :
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| 262 | * Result : TRUE / FALSE
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| 263 | * Remark :
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| 264 | * Status : UNTESTED STUB
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| 265 | *
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| 266 | * Author : Patrick Haller [Mon, 1998/06/15 08:00]
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| 267 | *****************************************************************************/
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| 268 |
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| 269 | BOOL WIN32API GetNamedPipeHandleStateA(HANDLE hNamedPipe,
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| 270 | LPDWORD lpState,
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| 271 | LPDWORD lpCurInstances,
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| 272 | LPDWORD lpMaxCollectionCount,
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| 273 | LPDWORD lpCollectDataTimeout,
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| 274 | LPTSTR lpUserName,
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| 275 | DWORD nMaxUserNameSize)
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| 276 | {
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| 277 | // Not implemented but waiting to implementation in hmnpipe.cpp
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| 278 | return ( HMGetNamedPipeHandleState( hNamedPipe,
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| 279 | lpState,
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| 280 | lpCurInstances,
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| 281 | lpMaxCollectionCount,
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| 282 | lpCollectDataTimeout,
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| 283 | lpUserName,
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| 284 | nMaxUserNameSize));
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| 285 | }
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| 286 |
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| 287 |
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| 288 | /*****************************************************************************
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| 289 | * Name : BOOL GetNamedPipeHandleStateW
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| 290 | * Purpose : The GetNamedPipeHandleStateW function retrieves information about
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| 291 | * a specified named pipe. The information returned can vary during
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| 292 | * the lifetime of an instance of the named pipe.
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| 293 | * Parameters: HANDLE hNamedPipe handle of named pipe
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| 294 | * LPDWORD lpState address of flags indicating pipe state
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| 295 | * LPDWORD lpCurInstances address of number of current pipe instances
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| 296 | * LPDWORD lpMaxCollectionCount address of max. bytes before remote transmission
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| 297 | * LPDWORD lpCollectDataTimeout address of max. time before remote transmission
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| 298 | * LPWSTR lpUserName address of user name of client process
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| 299 | * DWORD nMaxUserNameSize size, in characters, of user name buffer
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| 300 | * Variables :
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| 301 | * Result : TRUE / FALSE
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| 302 | * Remark :
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| 303 | * Status : UNTESTED STUB
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| 304 | *
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| 305 | * Author : Patrick Haller [Mon, 1998/06/15 08:00]
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| 306 | *****************************************************************************/
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| 307 |
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| 308 | BOOL WIN32API GetNamedPipeHandleStateW(HANDLE hNamedPipe,
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| 309 | LPDWORD lpState,
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| 310 | LPDWORD lpCurInstances,
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| 311 | LPDWORD lpMaxCollectionCount,
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| 312 | LPDWORD lpCollectDataTimeout,
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| 313 | LPWSTR lpUserName,
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| 314 | DWORD nMaxUserNameSize)
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| 315 | {
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| 316 | char *asciiname;
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| 317 | BOOL rc;
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| 318 |
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| 319 | asciiname = UnicodeToAsciiString((LPWSTR)lpUserName);
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| 320 |
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| 321 | // Not implemented but waiting to implementation in hmnpipe.cpp
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| 322 | rc= HMGetNamedPipeHandleState( hNamedPipe,
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| 323 | lpState,
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| 324 | lpCurInstances,
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| 325 | lpMaxCollectionCount,
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| 326 | lpCollectDataTimeout,
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| 327 | asciiname,
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| 328 | nMaxUserNameSize);
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| 329 |
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| 330 |
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| 331 | FreeAsciiString(asciiname);
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| 332 |
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| 333 | return (rc);
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| 334 | }
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| 335 |
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| 336 |
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| 337 | /*****************************************************************************
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| 338 | * Name : BOOL GetNamedPipeInfo
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| 339 | * Purpose : The GetNamedPipeInfo function retrieves information about the specified named pipe.
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| 340 | * Parameters: HANDLE hNamedPipe handle of named pipe
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| 341 | * LPDWORD lpFlags address of flags indicating type of pipe
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| 342 | * LPDWORD lpOutBufferSize address of size, in bytes, of pipe's output buffer
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| 343 | * LPDWORD lpInBufferSize address of size, in bytes, of pipe's input buffer
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| 344 | * LPDWORD lpMaxInstances address of max. number of pipe instances
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| 345 | * Variables :
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| 346 | * Result : TRUE / FALSE
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| 347 | * Remark :
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| 348 | * Status : UNTESTED STUB
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| 349 | *
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| 350 | * Author : Patrick Haller [Mon, 1998/06/15 08:00]
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| 351 | *****************************************************************************/
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| 352 |
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| 353 | BOOL WIN32API GetNamedPipeInfo(HANDLE hNamedPipe,
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| 354 | LPDWORD lpFlags,
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| 355 | LPDWORD lpOutBufferSize,
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| 356 | LPDWORD lpInBufferSize,
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| 357 | LPDWORD lpMaxInstances)
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| 358 | {
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| 359 | // Not implemented but waiting to implementation in hmnpipe.cpp
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| 360 | return ( HMGetNamedPipeInfo( hNamedPipe,
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| 361 | lpFlags,
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| 362 | lpOutBufferSize,
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| 363 | lpInBufferSize,
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| 364 | lpMaxInstances));
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| 365 |
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| 366 | }
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| 367 |
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| 368 | /*****************************************************************************
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| 369 | * Name : BOOL SetNamedPipeHandleState
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| 370 | * Purpose : The SetNamedPipeHandleState function sets the read mode and the
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| 371 | * blocking mode of the specified named pipe. If the specified handle
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| 372 | * is to the client end of a named pipe and if the named pipe server
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| 373 | * process is on a remote computer, the function can also be used to
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| 374 | * control local buffering.
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| 375 | * Parameters: HANDLE hNamedPipe handle of named pipe
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| 376 | * LPDWORD lpdwMode address of new pipe mode
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| 377 | * LPDWORD lpcbMaxCollect address of max. bytes before remote transmission
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| 378 | * LPDWORD lpdwCollectDataTimeout address of max. time before remote transmission
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| 379 | * Variables :
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| 380 | * Result : TRUE / FALSE
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| 381 | * Remark :
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| 382 | * Status : UNTESTED STUB
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| 383 | *
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| 384 | * Author : Patrick Haller [Mon, 1998/06/15 08:00]
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| 385 | *****************************************************************************/
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| 386 |
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| 387 | BOOL WIN32API SetNamedPipeHandleState(HANDLE hNamedPipe,
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| 388 | LPDWORD lpdwMode,
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| 389 | LPDWORD lpcbMaxCollect,
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| 390 | LPDWORD lpdwCollectDataTimeout)
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| 391 | {
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| 392 | // Not implemented but waiting to implementation in hmnpipe.cpp
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| 393 | return ( HMSetNamedPipeHandleState( hNamedPipe,
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| 394 | lpdwMode,
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| 395 | lpcbMaxCollect,
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| 396 | lpdwCollectDataTimeout));
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| 397 | }
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| 398 |
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| 399 | /*****************************************************************************
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| 400 | * Name : DWORD TransactNamedPipe
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| 401 | * Purpose : The TransactNamedPipe function combines into a single network
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| 402 | * operation the functions that write a message to and read a
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| 403 | * message from the specified named pipe.
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| 404 | * Parameters: HANDLE hNamedPipe handle of named pipe
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| 405 | * LPVOID lpvWriteBuf address of write buffer
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| 406 | * DWORD cbWriteBuf size of the write buffer, in bytes
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| 407 | * LPVOID lpvReadBuf address of read buffer
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| 408 | * DWORD cbReadBuf size of read buffer, in bytes
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| 409 | * LPDWORD lpcbRead address of variable for bytes actually read
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| 410 | * LPOVERLAPPED lpo address of overlapped structure
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| 411 | * Variables :
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| 412 | * Result : TRUE / FALSE
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| 413 | * Remark :
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| 414 | * Status : NOT FULLY TESTED (YET!)
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| 415 | *
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| 416 | * Author : Przemyslaw Dobrowolski [Mon, 2000/01/03 08:48]
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| 417 | *****************************************************************************/
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| 418 |
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| 419 | ODINFUNCTION7(DWORD,TransactNamedPipe,HANDLE,hNamedPipe,
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| 420 | LPVOID,lpvWriteBuf,
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| 421 | DWORD,cbWriteBuf,
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| 422 | LPVOID,lpvReadBuf,
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| 423 | DWORD,cbReadBuf,
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| 424 | LPDWORD,lpcbRead,
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| 425 | LPOVERLAPPED,lpo)
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| 426 | {
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| 427 | return(HMTransactNamedPipe( hNamedPipe,
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| 428 | lpvWriteBuf,
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| 429 | cbWriteBuf,
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| 430 | lpvReadBuf,
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| 431 | cbReadBuf,
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| 432 | lpcbRead,
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| 433 | lpo));
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| 434 | }
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| 435 |
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| 436 | /*****************************************************************************
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| 437 | * Name : BOOL WaitNamedPipeA
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| 438 | * Purpose : The WaitNamedPipe function waits until either a time-out interval
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| 439 | * elapses or an instance of the specified named pipe is available
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| 440 | * to be connected to (that is, the pipe's server process has a
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| 441 | * pending ConnectNamedPipe operation on the pipe).
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| 442 | * Parameters: LPCTSTR lpszNamedPipeName
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| 443 | * DWORD dwTimeout
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| 444 | * Variables :
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| 445 | * Result : TRUE / FALSE
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| 446 | * Remark :
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| 447 | * Status : UNTESTED (YET)
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| 448 | *
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| 449 | * Author : Przemyslaw Dobrowolski [Mon, 2000/01/03 13:52]
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| 450 | *****************************************************************************/
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| 451 |
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| 452 | ODINFUNCTION2(BOOL,WaitNamedPipeA,LPCSTR,lpszNamedPipeName, DWORD, dwTimeout)
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| 453 | {
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| 454 | return(OSLibDosWaitNamedPipe(lpszNamedPipeName, dwTimeout));
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| 455 | }
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| 456 |
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| 457 |
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| 458 | /*****************************************************************************
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| 459 | * Name : BOOL WaitNamedPipeW
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| 460 | * Purpose : The WaitNamedPipe function waits until either a time-out interval
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| 461 | * elapses or an instance of the specified named pipe is available
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| 462 | * to be connected to (that is, the pipe's server process has a
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| 463 | * pending ConnectNamedPipe operation on the pipe).
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| 464 | * Parameters: LPCWSTR lpszNamedPipeName
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| 465 | * DWORD dwTimeout
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| 466 | * Variables :
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| 467 | * Result : TRUE / FALSE
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| 468 | * Remark :
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| 469 | * Status : UNTESTED (YET)
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| 470 | *
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| 471 | * Author : Przemyslaw Dobrowolski [Mon, 2000/01/03 13:44]
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| 472 | *****************************************************************************/
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| 473 |
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| 474 | ODINFUNCTION2(BOOL,WaitNamedPipeW,LPCWSTR,lpszNamedPipeName, DWORD, dwTimeout)
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| 475 | {
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| 476 | char *asciiname;
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| 477 | DWORD rc;
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| 478 |
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| 479 | asciiname = UnicodeToAsciiString((LPWSTR)lpszNamedPipeName);
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| 480 |
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| 481 | rc=OSLibDosWaitNamedPipe(asciiname, dwTimeout);
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| 482 |
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| 483 | FreeAsciiString(asciiname);
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| 484 |
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| 485 | return(rc);
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| 486 | }
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