1 | /* $Id: npipe.cpp,v 1.12 2003-06-02 16:25:18 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 | #include "hmhandle.h"
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22 | #include "hmnpipe.h"
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23 |
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24 | #define DBG_LOCALLOG DBG_npipe
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25 | #include "dbglocal.h"
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26 |
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27 | ODINDEBUGCHANNEL(KERNEL32-NPIPE)
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28 |
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29 | //******************************************************************************
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30 | //******************************************************************************
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31 | BOOL WIN32API CreatePipe(PHANDLE phRead, PHANDLE phWrite,
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32 | LPSECURITY_ATTRIBUTES lpsa, DWORD cbPipe)
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33 | {
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34 | char szPipeName[64];
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35 | HANDLE hPipeRead, hPipeWrite;
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36 |
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37 | // create a unique pipe name
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38 | for(int i=0;i<16;i++)
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39 | {
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40 | sprintf(szPipeName, "\\\\.\\pipe\\Win32.Pipes.%08x.%08x", GetCurrentProcessId(), GetCurrentTime());
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41 | hPipeRead = ::CreateNamedPipeA(szPipeName, PIPE_ACCESS_INBOUND,
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42 | PIPE_TYPE_BYTE | PIPE_WAIT, 1, cbPipe, cbPipe,
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43 | NMPWAIT_USE_DEFAULT_WAIT, lpsa);
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44 | if(hPipeRead != INVALID_HANDLE_VALUE) break;
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45 |
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46 | Sleep(10);
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47 | }
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48 |
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49 | if (hPipeRead == INVALID_HANDLE_VALUE) {
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50 | dprintf(("ERROR: Unable to create named pipe with unique name!! (%s)", szPipeName));
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51 | return FALSE;
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52 | }
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53 |
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54 | ULONG mode = PIPE_NOWAIT|PIPE_READMODE_BYTE;
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55 |
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56 | //Set pipe in non-blocking mode
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57 | SetNamedPipeHandleState(hPipeRead, &mode, NULL, NULL);
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58 |
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59 | //Set pipe in listening mode (so the next CreateFile will succeed)
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60 | ConnectNamedPipe(hPipeRead, NULL);
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61 |
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62 | //Put pipe back in blocking mode
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63 | mode = PIPE_WAIT|PIPE_READMODE_BYTE;
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64 | SetNamedPipeHandleState(hPipeRead, &mode, NULL, NULL);
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65 |
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66 | //Create write pipe
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67 | hPipeWrite = CreateFileA(szPipeName, GENERIC_WRITE, 0, lpsa, OPEN_EXISTING, 0, 0);
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68 | if (hPipeWrite == INVALID_HANDLE_VALUE)
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69 | {
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70 | dprintf(("ERROR: Unable to create write handle for anonymous pipe!!"));
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71 | CloseHandle(hPipeRead);
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72 | return FALSE;
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73 | }
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74 |
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75 | dprintf(("Created pipe with handles %x and %x", hPipeRead, hPipeWrite));
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76 | *phRead = hPipeRead;
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77 | *phWrite = hPipeWrite;
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78 | return TRUE;
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79 | }
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80 |
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81 | /*****************************************************************************
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82 | * Name : CreateNamedPipe
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83 | * Purpose :
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84 | * Parameters:
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85 | * Variables :
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86 | * Result :
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87 | * Remark :
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88 | * Status :
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89 | *
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90 | * Author : Przemyslaw Dobrowolski
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91 | *****************************************************************************/
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92 | HANDLE WIN32API CreateNamedPipeA(LPCTSTR lpName,
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93 | DWORD dwOpenMode,
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94 | DWORD dwPipeMode,
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95 | DWORD nMaxInstances,
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96 | DWORD nOutBufferSize,
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97 | DWORD nInBufferSize,
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98 | DWORD nDefaultTimeOut,
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99 | LPSECURITY_ATTRIBUTES lpSecurityAttributes)
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100 | {
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101 | PHMHANDLE pHandle;
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102 | HANDLE rc; /* API return code */
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103 |
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104 | SetLastError(ERROR_SUCCESS);
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105 |
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106 | pHandle = HMHandleGetFreePtr(HMTYPE_PIPE); /* get free handle */
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107 | if (pHandle == NULL) /* oops, no free handles ! */
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108 | {
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109 | SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
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110 | return INVALID_HANDLE_VALUE;
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111 | }
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112 |
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113 | /* call the device handler */
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114 | rc = pHandle->pDeviceHandler->CreateNamedPipe(&pHandle->hmHandleData,
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115 | lpName,dwOpenMode,
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116 | dwPipeMode,nMaxInstances,
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117 | nOutBufferSize,nInBufferSize,
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118 | nDefaultTimeOut,lpSecurityAttributes);
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119 |
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120 | if (rc == INVALID_HANDLE_VALUE)
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121 | {
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122 | HMHandleFree(pHandle->hmHandleData.hWin32Handle);
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123 | return INVALID_HANDLE_VALUE; /* signal error */
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124 | }
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125 |
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126 | dprintf(("Named pipe %x", pHandle->hmHandleData.hWin32Handle));
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127 | if(lpSecurityAttributes && lpSecurityAttributes->bInheritHandle) {
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128 | dprintf(("Set inheritance for child processes"));
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129 | HMSetHandleInformation(pHandle->hmHandleData.hWin32Handle, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT);
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130 | }
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131 |
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132 | return pHandle->hmHandleData.hWin32Handle;
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133 | }
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134 | /*****************************************************************************
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135 | * Name : BOOL WIN32API ConnectNamedPipe
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136 | * Purpose : The ConnectNamedPipe function enables a named pipe server process
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137 | * to wait for a client process to connect to an instance of a
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138 | * named pipe. A client process connects by calling either the
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139 | * CreateFile or CallNamedPipe function.
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140 | * Parameters: HANDLE hNamedPipe handle to named pipe to connect
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141 | * LPOVERLAPPED lpOverlapped pointer to overlapped structure
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142 | * Variables :
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143 | * Result : If the function succeeds, the return value is nonzero.
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144 | * If the function fails, the return value is zero.
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145 | * To get extended error information, call GetLastError.
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146 | * Remark :
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147 | * Status : NOT FULLY TESTED
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148 | *
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149 | * Author : Przemyslaw Dobrowolski [Sun, 2000/01/02 12:48]
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150 | *****************************************************************************/
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151 |
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152 | BOOL WIN32API ConnectNamedPipe(HANDLE hPipe, LPOVERLAPPED lpOverlapped)
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153 | {
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154 | BOOL lpResult; /* result from the device handler's API */
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155 | PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
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156 |
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157 | SetLastError(ERROR_SUCCESS);
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158 | /* validate handle */
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159 | pHMHandle = HMHandleQueryPtr(hPipe); /* get the index */
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160 | if (pHMHandle == NULL) /* error ? */
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161 | {
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162 | return FALSE; //last error set by HMHandleQueryPtr (ERROR_INVALID_HANDLE)
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163 | }
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164 |
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165 | lpResult = pHMHandle->pDeviceHandler->ConnectNamedPipe(&pHMHandle->hmHandleData,
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166 | lpOverlapped);
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167 |
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168 | return (lpResult); /* deliver return code */
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169 | }
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170 |
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171 | /*****************************************************************************
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172 | * Name : BOOL WIN32API DisconnectNamedPipe
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173 | * Purpose : The DisconnectNamedPipe function disconnects the server end
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174 | * of a named pipe instance from a client process.
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175 | * Parameters: HANDLE hNamedPipe handle to named pipe
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176 | * Variables :
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177 | * Result : If the function succeeds, the return value is nonzero.
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178 | * If the function fails, the return value is zero
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179 | * Remark :
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180 | * Status : NOT FULLY TESTED
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181 | *
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182 | * Author : Przemyslaw Dobrowolski [Mon, 2000/01/03 13:34]
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183 | *****************************************************************************/
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184 |
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185 | BOOL WIN32API DisconnectNamedPipe(HANDLE hPipe)
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186 | {
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187 | BOOL lpResult; /* result from the device handler's API */
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188 | PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
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189 |
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190 | SetLastError(ERROR_SUCCESS);
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191 | /* validate handle */
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192 | pHMHandle = HMHandleQueryPtr(hPipe); /* get the index */
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193 | if (pHMHandle == NULL) /* error ? */
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194 | {
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195 | return FALSE; //last error set by HMHandleQueryPtr (ERROR_INVALID_HANDLE)
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196 | }
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197 |
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198 | lpResult = pHMHandle->pDeviceHandler->DisconnectNamedPipe(&pHMHandle->hmHandleData);
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199 |
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200 | return (lpResult); /* deliver return code */
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201 | }
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202 |
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203 | /*****************************************************************************
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204 | * Name : PeekNamedPipe
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205 | * Purpose :
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206 | * Parameters:
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207 | * Variables :
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208 | * Result :
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209 | * Remark :
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210 | * Status :
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211 | *
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212 | * Author : Przemyslaw Dobrowolski
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213 | *****************************************************************************/
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214 | BOOL WIN32API PeekNamedPipe(HANDLE hPipe,
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215 | LPVOID lpvBuffer,
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216 | DWORD cbBuffer,
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217 | LPDWORD lpcbRead,
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218 | LPDWORD lpcbAvail,
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219 | LPDWORD lpcbMessage)
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220 | {
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221 | BOOL lpResult; /* result from the device handler's API */
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222 | PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
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223 |
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224 | SetLastError(ERROR_SUCCESS);
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225 | /* validate handle */
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226 | pHMHandle = HMHandleQueryPtr(hPipe); /* get the index */
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227 | if (pHMHandle == NULL) /* error ? */
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228 | {
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229 | return FALSE; //last error set by HMHandleQueryPtr (ERROR_INVALID_HANDLE)
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230 | }
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231 |
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232 | lpResult = pHMHandle->pDeviceHandler->PeekNamedPipe(&pHMHandle->hmHandleData,
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233 | lpvBuffer,
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234 | cbBuffer,
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235 | lpcbRead,
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236 | lpcbAvail,
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237 | lpcbMessage);
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238 |
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239 | return (lpResult); /* deliver return code */
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240 | }
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241 |
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242 | /*****************************************************************************
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243 | * Name : BOOL GetNamedPipeHandleStateA
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244 | * Purpose : The GetNamedPipeHandleStateA function retrieves information about
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245 | * a specified named pipe. The information returned can vary during
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246 | * the lifetime of an instance of the named pipe.
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247 | * Parameters: HANDLE hNamedPipe handle of named pipe
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248 | * LPDWORD lpState address of flags indicating pipe state
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249 | * LPDWORD lpCurInstances address of number of current pipe instances
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250 | * LPDWORD lpMaxCollectionCount address of max. bytes before remote transmission
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251 | * LPDWORD lpCollectDataTimeout address of max. time before remote transmission
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252 | * LPTSTR lpUserName address of user name of client process
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253 | * DWORD nMaxUserNameSize size, in characters, of user name buffer
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254 | * Variables :
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255 | * Result : TRUE / FALSE
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256 | * Remark :
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257 | * Status : UNTESTED STUB
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258 | *
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259 | * Author : Patrick Haller [Mon, 1998/06/15 08:00]
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260 | *****************************************************************************/
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261 |
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262 | BOOL WIN32API GetNamedPipeHandleStateA(HANDLE hPipe,
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263 | LPDWORD lpState,
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264 | LPDWORD lpCurInstances,
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265 | LPDWORD lpMaxCollectionCount,
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266 | LPDWORD lpCollectDataTimeout,
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267 | LPTSTR lpUserName,
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268 | DWORD nMaxUserNameSize)
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269 | {
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270 | BOOL lpResult; /* result from the device handler's API */
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271 | PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
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272 |
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273 | SetLastError(ERROR_SUCCESS);
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274 | /* validate handle */
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275 | pHMHandle = HMHandleQueryPtr(hPipe); /* get the index */
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276 | if (pHMHandle == NULL) /* error ? */
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277 | {
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278 | return FALSE; //last error set by HMHandleQueryPtr (ERROR_INVALID_HANDLE)
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279 | }
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280 |
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281 | lpResult = pHMHandle->pDeviceHandler->GetNamedPipeHandleState(&pHMHandle->hmHandleData,
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282 | lpState,
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283 | lpCurInstances,
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284 | lpMaxCollectionCount,
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285 | lpCollectDataTimeout,
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286 | lpUserName,
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287 | nMaxUserNameSize);
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288 |
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289 |
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290 | return (lpResult); /* deliver return code */
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291 | }
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292 |
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293 | /*****************************************************************************
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294 | * Name : BOOL GetNamedPipeInfo
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295 | * Purpose : The GetNamedPipeInfo function retrieves information about the specified named pipe.
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296 | * Parameters: HANDLE hNamedPipe handle of named pipe
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297 | * LPDWORD lpFlags address of flags indicating type of pipe
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298 | * LPDWORD lpOutBufferSize address of size, in bytes, of pipe's output buffer
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299 | * LPDWORD lpInBufferSize address of size, in bytes, of pipe's input buffer
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300 | * LPDWORD lpMaxInstances address of max. number of pipe instances
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301 | * Variables :
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302 | * Result : TRUE / FALSE
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303 | * Remark :
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304 | * Status :
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305 | *
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306 | * Author : Przemyslaw Dobrowolski
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307 | *****************************************************************************/
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308 |
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309 | BOOL WIN32API GetNamedPipeInfo(HANDLE hPipe,
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310 | LPDWORD lpFlags,
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311 | LPDWORD lpOutBufferSize,
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312 | LPDWORD lpInBufferSize,
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313 | LPDWORD lpMaxInstances)
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314 | {
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315 | BOOL lpResult; /* result from the device handler's API */
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316 | PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
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317 |
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318 | SetLastError(ERROR_SUCCESS);
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319 | /* validate handle */
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320 | pHMHandle = HMHandleQueryPtr(hPipe); /* get the index */
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321 | if (pHMHandle == NULL) /* error ? */
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322 | {
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323 | return FALSE; //last error set by HMHandleQueryPtr (ERROR_INVALID_HANDLE)
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324 | }
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325 |
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326 | lpResult = pHMHandle->pDeviceHandler->GetNamedPipeInfo(&pHMHandle->hmHandleData,
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327 | lpFlags,
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328 | lpOutBufferSize,
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329 | lpInBufferSize,
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330 | lpMaxInstances);
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331 |
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332 | return (lpResult); /* deliver return code */
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333 | }
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334 |
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335 | /*****************************************************************************
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336 | * Name : BOOL TransactNamedPipe
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337 | * Purpose : The TransactNamedPipe function combines into a single network
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338 | * operation the functions that write a message to and read a
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339 | * message from the specified named pipe.
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340 | * Parameters: HANDLE hNamedPipe handle of named pipe
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341 | * LPVOID lpvWriteBuf address of write buffer
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342 | * DWORD cbWriteBuf size of the write buffer, in bytes
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343 | * LPVOID lpvReadBuf address of read buffer
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344 | * DWORD cbReadBuf size of read buffer, in bytes
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345 | * LPDWORD lpcbRead address of variable for bytes actually read
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346 | * LPOVERLAPPED lpo address of overlapped structure
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347 | * Variables :
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348 | * Result : TRUE / FALSE
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349 | * Remark :
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350 | * Status : NOT FULLY TESTED (YET!)
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351 | *
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352 | * Author : Przemyslaw Dobrowolski [Mon, 2000/01/03 08:48]
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353 | *****************************************************************************/
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354 | BOOL WIN32API TransactNamedPipe(HANDLE hPipe,
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355 | LPVOID lpvWriteBuf,
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356 | DWORD cbWriteBuf,
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357 | LPVOID lpvReadBuf,
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358 | DWORD cbReadBuf,
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359 | LPDWORD lpcbRead,
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360 | LPOVERLAPPED lpo)
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361 | {
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362 | BOOL lpResult; /* result from the device handler's API */
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363 | PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
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364 |
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365 | SetLastError(ERROR_SUCCESS);
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366 | /* validate handle */
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367 | pHMHandle = HMHandleQueryPtr(hPipe); /* get the index */
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368 | if (pHMHandle == NULL) /* error ? */
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369 | {
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370 | return FALSE; //last error set by HMHandleQueryPtr (ERROR_INVALID_HANDLE)
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371 | }
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372 |
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373 | lpResult = pHMHandle->pDeviceHandler->TransactNamedPipe(&pHMHandle->hmHandleData,
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374 | lpvWriteBuf,
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375 | cbWriteBuf,
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376 | lpvReadBuf,
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377 | cbReadBuf,
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378 | lpcbRead,
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379 | lpo);
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380 |
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381 | return (lpResult); /* deliver return code */
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382 | }
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383 |
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384 | /*****************************************************************************
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385 | * Name : BOOL SetNamedPipeHandleState
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386 | * Purpose : The SetNamedPipeHandleState function sets the read mode and the
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387 | * blocking mode of the specified named pipe. If the specified handle
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388 | * is to the client end of a named pipe and if the named pipe server
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389 | * process is on a remote computer, the function can also be used to
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390 | * control local buffering.
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391 | * Parameters: HANDLE hNamedPipe handle of named pipe
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392 | * LPDWORD lpdwMode address of new pipe mode
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393 | * LPDWORD lpcbMaxCollect address of max. bytes before remote transmission
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394 | * LPDWORD lpdwCollectDataTimeout address of max. time before remote transmission
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395 | * Variables :
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396 | * Result : TRUE / FALSE
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397 | * Remark :
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398 | * Status :
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399 | *
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400 | * Author : Przemyslaw Dobrowolski
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401 | *****************************************************************************/
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402 |
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403 | BOOL WIN32API SetNamedPipeHandleState(HANDLE hPipe,
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404 | LPDWORD lpdwMode,
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405 | LPDWORD lpcbMaxCollect,
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406 | LPDWORD lpdwCollectDataTimeout)
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407 | {
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408 | BOOL lpResult; /* result from the device handler's API */
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409 | PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
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410 |
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411 | SetLastError(ERROR_SUCCESS);
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412 | /* validate handle */
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413 | pHMHandle = HMHandleQueryPtr(hPipe); /* get the index */
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414 | if (pHMHandle == NULL) /* error ? */
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415 | {
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416 | return FALSE; //last error set by HMHandleQueryPtr (ERROR_INVALID_HANDLE)
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417 | }
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418 |
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419 | lpResult = pHMHandle->pDeviceHandler->SetNamedPipeHandleState(&pHMHandle->hmHandleData,
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420 | lpdwMode,
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421 | lpcbMaxCollect,
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422 | lpdwCollectDataTimeout);
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423 |
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424 | return (lpResult); /* deliver return code */
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425 | }
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426 |
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427 |
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428 | //******************************************************************************
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429 | //******************************************************************************
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430 | HANDLE WIN32API CreateNamedPipeW(LPCWSTR lpName, DWORD dwOpenMode, DWORD dwPipeMode,
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431 | DWORD nMaxInstances, DWORD nOutBufferSize,
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432 | DWORD nInBufferSize, DWORD nDefaultTimeOut,
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433 | LPSECURITY_ATTRIBUTES lpSecurityAttributes)
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434 | {
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435 | char *asciiname;
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436 | HANDLE hPipe;
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437 |
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438 | asciiname = UnicodeToAsciiString((LPWSTR)lpName);
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439 |
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440 | hPipe=CreateNamedPipeA(asciiname,
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441 | dwOpenMode,
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442 | dwPipeMode,
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443 | nMaxInstances,
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444 | nOutBufferSize,
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445 | nInBufferSize,
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446 | nDefaultTimeOut,
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447 | lpSecurityAttributes);
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448 |
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449 | FreeAsciiString(asciiname);
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450 |
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451 | return(hPipe);
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452 | }
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453 |
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454 | /*****************************************************************************
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455 | * Name : BOOL WIN32AOI CallNamedPipeA
|
---|
456 | * Purpose : The CallNamedPipe function connects to a message-type pipe
|
---|
457 | * (and waits if an instance of the pipe is not available),
|
---|
458 | * writes to and reads from the pipe, and then closes the pipe.
|
---|
459 | * Parameters: LPCSTR lpNamedPipeName pointer to pipe name
|
---|
460 | * LPVOID lpInBuffer pointer to write buffer
|
---|
461 | * DWORD nInBufferSize size, in bytes, of write buffer
|
---|
462 | * LPVOID lpOutBuffer pointer to read buffer
|
---|
463 | * DWORD nOutBufferSize size, in bytes, of read buffer
|
---|
464 | * LPDWORD lpBytesRead pointer to number of bytes read
|
---|
465 | * DWORD nTimeOut time-out time, in milliseconds
|
---|
466 | * Variables :
|
---|
467 | * Result : If the function succeeds, the return value is nonzero.
|
---|
468 | * If the function fails, the return value is zero.
|
---|
469 | * To get extended error information, call GetLastError.
|
---|
470 | * Remark : Calling CallNamedPipe is equivalent to calling the CreateFile
|
---|
471 | * (or WaitNamedPipe, if CreateFile cannot open the pipe immediately),
|
---|
472 | * TransactNamedPipe, and CloseHandle functions. CreateFile is called
|
---|
473 | * with an access flag of GENERIC_READ | GENERIC_WRITE, an inherit
|
---|
474 | * handle flag of FALSE, and a share mode of zero (indicating no
|
---|
475 | * sharing of this pipe instance).
|
---|
476 | * If the message written to the pipe by the server process is
|
---|
477 | * longer than nOutBufferSize, CallNamedPipe returns FALSE, and
|
---|
478 | * GetLastError returns ERROR_MORE_DATA. The remainder of the
|
---|
479 | * message is discarded, because CallNamedPipe closes the handle
|
---|
480 | * to the pipe before returning.
|
---|
481 | *
|
---|
482 | * CallNamedPipe fails if the pipe is a byte-type pipe.
|
---|
483 | * Status : NOT FULLY TESTED
|
---|
484 | *
|
---|
485 | * Author : Przemyslaw Dobrowolski [Mon, 2000/01/03 13:32]
|
---|
486 | *****************************************************************************/
|
---|
487 |
|
---|
488 | BOOL WIN32API CallNamedPipeA(LPCSTR lpNamedPipeName,
|
---|
489 | LPVOID lpInBuffer,
|
---|
490 | DWORD nInBufferSize,
|
---|
491 | LPVOID lpOutBuffer,
|
---|
492 | DWORD nOutBufferSize,
|
---|
493 | LPDWORD lpBytesRead,
|
---|
494 | DWORD nTimeOut)
|
---|
495 | {
|
---|
496 | return(OSLibDosCallNamedPipe(lpNamedPipeName,
|
---|
497 | lpInBuffer,
|
---|
498 | nInBufferSize,
|
---|
499 | lpOutBuffer,
|
---|
500 | nOutBufferSize,
|
---|
501 | lpBytesRead,
|
---|
502 | nTimeOut ));
|
---|
503 | }
|
---|
504 |
|
---|
505 | /*****************************************************************************
|
---|
506 | * Name : BOOL WIN32AOI CallNamedPipeW
|
---|
507 | * Purpose : The CallNamedPipe function connects to a message-type pipe
|
---|
508 | * (and waits if an instance of the pipe is not available),
|
---|
509 | * writes to and reads from the pipe, and then closes the pipe.
|
---|
510 | * Parameters: LPCWSTR lpNamedPipeName pointer to pipe name
|
---|
511 | * LPVOID lpInBuffer pointer to write buffer
|
---|
512 | * DWORD nInBufferSize size, in bytes, of write buffer
|
---|
513 | * LPVOID lpOutBuffer pointer to read buffer
|
---|
514 | * DWORD nOutBufferSize size, in bytes, of read buffer
|
---|
515 | * LPDWORD lpBytesRead pointer to number of bytes read
|
---|
516 | * DWORD nTimeOut time-out time, in milliseconds
|
---|
517 | * Variables :
|
---|
518 | * Result : If the function succeeds, the return value is nonzero.
|
---|
519 | * If the function fails, the return value is zero.
|
---|
520 | * To get extended error information, call GetLastError.
|
---|
521 | * Remark : Calling CallNamedPipe is equivalent to calling the CreateFile
|
---|
522 | * (or WaitNamedPipe, if CreateFile cannot open the pipe immediately),
|
---|
523 | * TransactNamedPipe, and CloseHandle functions. CreateFile is called
|
---|
524 | * with an access flag of GENERIC_READ | GENERIC_WRITE, an inherit
|
---|
525 | * handle flag of FALSE, and a share mode of zero (indicating no
|
---|
526 | * sharing of this pipe instance).
|
---|
527 | * If the message written to the pipe by the server process is
|
---|
528 | * longer than nOutBufferSize, CallNamedPipe returns FALSE, and
|
---|
529 | * GetLastError returns ERROR_MORE_DATA. The remainder of the
|
---|
530 | * message is discarded, because CallNamedPipe closes the handle
|
---|
531 | * to the pipe before returning.
|
---|
532 | *
|
---|
533 | * CallNamedPipe fails if the pipe is a byte-type pipe.
|
---|
534 | * Status : NOT FULLY TESTED
|
---|
535 | *
|
---|
536 | * Author : Przemyslaw Dobrowolski [Mon, 2000/01/03 13:33]
|
---|
537 | *****************************************************************************/
|
---|
538 | BOOL WIN32API CallNamedPipeW(LPCWSTR lpNamedPipeName,
|
---|
539 | LPVOID lpInBuffer,
|
---|
540 | DWORD nInBufferSize,
|
---|
541 | LPVOID lpOutBuffer,
|
---|
542 | DWORD nOutBufferSize,
|
---|
543 | LPDWORD lpBytesRead,
|
---|
544 | DWORD nTimeOut)
|
---|
545 | {
|
---|
546 | char *asciiname;
|
---|
547 | BOOL rc;
|
---|
548 |
|
---|
549 | asciiname = UnicodeToAsciiString((LPWSTR)lpNamedPipeName);
|
---|
550 |
|
---|
551 | rc=OSLibDosCallNamedPipe(asciiname,
|
---|
552 | lpInBuffer,
|
---|
553 | nInBufferSize,
|
---|
554 | lpOutBuffer,
|
---|
555 | nOutBufferSize,
|
---|
556 | lpBytesRead,
|
---|
557 | nTimeOut );
|
---|
558 |
|
---|
559 | FreeAsciiString(asciiname);
|
---|
560 |
|
---|
561 | return(rc);
|
---|
562 | }
|
---|
563 |
|
---|
564 |
|
---|
565 | /*****************************************************************************
|
---|
566 | * Name : BOOL GetNamedPipeHandleStateW
|
---|
567 | * Purpose : The GetNamedPipeHandleStateW function retrieves information about
|
---|
568 | * a specified named pipe. The information returned can vary during
|
---|
569 | * the lifetime of an instance of the named pipe.
|
---|
570 | * Parameters: HANDLE hNamedPipe handle of named pipe
|
---|
571 | * LPDWORD lpState address of flags indicating pipe state
|
---|
572 | * LPDWORD lpCurInstances address of number of current pipe instances
|
---|
573 | * LPDWORD lpMaxCollectionCount address of max. bytes before remote transmission
|
---|
574 | * LPDWORD lpCollectDataTimeout address of max. time before remote transmission
|
---|
575 | * LPWSTR lpUserName address of user name of client process
|
---|
576 | * DWORD nMaxUserNameSize size, in characters, of user name buffer
|
---|
577 | * Variables :
|
---|
578 | * Result : TRUE / FALSE
|
---|
579 | * Remark :
|
---|
580 | * Status : UNTESTED STUB
|
---|
581 | *
|
---|
582 | * Author : Patrick Haller [Mon, 1998/06/15 08:00]
|
---|
583 | *****************************************************************************/
|
---|
584 |
|
---|
585 | BOOL WIN32API GetNamedPipeHandleStateW(HANDLE hNamedPipe,
|
---|
586 | LPDWORD lpState,
|
---|
587 | LPDWORD lpCurInstances,
|
---|
588 | LPDWORD lpMaxCollectionCount,
|
---|
589 | LPDWORD lpCollectDataTimeout,
|
---|
590 | LPWSTR lpUserName,
|
---|
591 | DWORD nMaxUserNameSize)
|
---|
592 | {
|
---|
593 | char *asciiname;
|
---|
594 | BOOL rc;
|
---|
595 |
|
---|
596 | asciiname = UnicodeToAsciiString((LPWSTR)lpUserName);
|
---|
597 |
|
---|
598 | // Not implemented but waiting to implementation in hmnpipe.cpp
|
---|
599 | rc= GetNamedPipeHandleStateA( hNamedPipe,
|
---|
600 | lpState,
|
---|
601 | lpCurInstances,
|
---|
602 | lpMaxCollectionCount,
|
---|
603 | lpCollectDataTimeout,
|
---|
604 | asciiname,
|
---|
605 | nMaxUserNameSize);
|
---|
606 |
|
---|
607 |
|
---|
608 | FreeAsciiString(asciiname);
|
---|
609 |
|
---|
610 | return (rc);
|
---|
611 | }
|
---|
612 |
|
---|
613 | /*****************************************************************************
|
---|
614 | * Name : BOOL WaitNamedPipeA
|
---|
615 | * Purpose : The WaitNamedPipe function waits until either a time-out interval
|
---|
616 | * elapses or an instance of the specified named pipe is available
|
---|
617 | * to be connected to (that is, the pipe's server process has a
|
---|
618 | * pending ConnectNamedPipe operation on the pipe).
|
---|
619 | * Parameters: LPCTSTR lpszNamedPipeName
|
---|
620 | * DWORD dwTimeout
|
---|
621 | * Variables :
|
---|
622 | * Result : TRUE / FALSE
|
---|
623 | * Remark :
|
---|
624 | * Status : UNTESTED (YET)
|
---|
625 | *
|
---|
626 | * Author : Przemyslaw Dobrowolski [Mon, 2000/01/03 13:52]
|
---|
627 | *****************************************************************************/
|
---|
628 |
|
---|
629 | BOOL WIN32API WaitNamedPipeA(LPCSTR lpszNamedPipeName, DWORD dwTimeout)
|
---|
630 | {
|
---|
631 | return(OSLibDosWaitNamedPipe(lpszNamedPipeName, dwTimeout));
|
---|
632 | }
|
---|
633 |
|
---|
634 |
|
---|
635 | /*****************************************************************************
|
---|
636 | * Name : BOOL WaitNamedPipeW
|
---|
637 | * Purpose : The WaitNamedPipe function waits until either a time-out interval
|
---|
638 | * elapses or an instance of the specified named pipe is available
|
---|
639 | * to be connected to (that is, the pipe's server process has a
|
---|
640 | * pending ConnectNamedPipe operation on the pipe).
|
---|
641 | * Parameters: LPCWSTR lpszNamedPipeName
|
---|
642 | * DWORD dwTimeout
|
---|
643 | * Variables :
|
---|
644 | * Result : TRUE / FALSE
|
---|
645 | * Remark :
|
---|
646 | * Status : UNTESTED (YET)
|
---|
647 | *
|
---|
648 | * Author : Przemyslaw Dobrowolski [Mon, 2000/01/03 13:44]
|
---|
649 | *****************************************************************************/
|
---|
650 |
|
---|
651 | BOOL WIN32API WaitNamedPipeW(LPCWSTR lpszNamedPipeName, DWORD dwTimeout)
|
---|
652 | {
|
---|
653 | char *asciiname;
|
---|
654 | DWORD rc;
|
---|
655 |
|
---|
656 | asciiname = UnicodeToAsciiString((LPWSTR)lpszNamedPipeName);
|
---|
657 |
|
---|
658 | rc=OSLibDosWaitNamedPipe(asciiname, dwTimeout);
|
---|
659 |
|
---|
660 | FreeAsciiString(asciiname);
|
---|
661 |
|
---|
662 | return(rc);
|
---|
663 | }
|
---|