C / C++ / MFC

HANDLE hPipe;<br />
LPVOID lpvMessage;<br />
CHAR chBuf[512];<br />
BOOL fSuccess;<br />
DWORD cbRead, cbWritten, dwMode;<br />
LPTSTR lpszPipename = "\\\\.\\pipe\\mynamedpipe";<br />
<br />
// Try to open a named pipe; wait for it, if necessary. <br />
while (1) <br />
{ <br />
   hPipe = CreateFile( <br />
         lpszPipename,   // pipe name <br />
         GENERIC_READ |  // read and write access <br />
         GENERIC_WRITE, <br />
         0,              // no sharing <br />
         NULL,           // no security attributes<br />
         OPEN_EXISTING,  // opens existing pipe <br />
         0,              // default attributes <br />
         NULL);          // no template file <br />
 <br />
   // Break if the pipe handle is valid. <br />
<br />
   if (hPipe != INVALID_HANDLE_VALUE) <br />
      break; <br />
 <br />
   // Exit if an error other than ERROR_PIPE_BUSY occurs. <br />
 <br />
   if (GetLastError() != ERROR_PIPE_BUSY) <br />
      cout <<"Could not open pipe"; <br />
 <br />
   // All pipe instances are busy, so wait for 20 seconds. <br />
 <br />
   if (! WaitNamedPipe(lpszPipename, 20000) ) <br />
      cout <<"Could not open pipe"; <br />
}<br />