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ole32: Modify local_server_thread() to recreate the pipe for each request. 

This avoids having the named pipe get stuck in the STATUS_PIPE_BUSY state after the DisconnectNamedPipe() call.
This commit is contained in:
Francois Gouget 2011-07-13 00:09:18 +02:00 committed by Alexandre Julliard
parent b6f28fc70f
commit be9a032693
1 changed files with 23 additions and 15 deletions
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38
dlls/ole32/rpc.c
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@ -1879,7 +1879,6 @@ struct local_server_params
static DWORD WINAPI local_server_thread(LPVOID param)
{
struct local_server_params * lsp = param;
HANDLE hPipe;
WCHAR pipefn[100];
HRESULT hres;
IStream *pStm = lsp->stream;
@ -1898,22 +1897,24 @@ static DWORD WINAPI local_server_thread(LPVOID param)
memset(&ovl, 0, sizeof(ovl));
get_localserver_pipe_name(pipefn, &lsp->clsid);
hPipe = CreateNamedPipeW( pipefn, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE|PIPE_WAIT, PIPE_UNLIMITED_INSTANCES,
4096, 4096, 500 /* 0.5 second timeout */, NULL );
ovl.hEvent = pipe_event = CreateEventW(NULL, FALSE, FALSE, NULL);
SetEvent(lsp->ready_event);
if (hPipe == INVALID_HANDLE_VALUE)
{
FIXME("pipe creation failed for %s, le is %u\n", debugstr_w(pipefn), GetLastError());
return 1;
}
ovl.hEvent = pipe_event = CreateEventW(NULL, FALSE, FALSE, NULL);
/* Clients trying to connect between now and CreateNamedPipeW() will
* fail and will have to retry. See also the end of the loop.
*/
while (1) {
HANDLE hPipe;
hPipe = CreateNamedPipeW( pipefn, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE|PIPE_WAIT, PIPE_UNLIMITED_INSTANCES,
4096, 4096, 500 /* 0.5 second timeout */, NULL );
if (hPipe == INVALID_HANDLE_VALUE)
{
FIXME("pipe creation failed for %s, le is %u\n", debugstr_w(pipefn), GetLastError());
CloseHandle(pipe_event);
return 1;
}
if (!ConnectNamedPipe(hPipe, &ovl))
{
DWORD error = GetLastError();
@ -1923,12 +1924,16 @@ static DWORD WINAPI local_server_thread(LPVOID param)
DWORD ret;
ret = WaitForMultipleObjects(2, handles, FALSE, INFINITE);
if (ret != WAIT_OBJECT_0)
{
CloseHandle(hPipe);
break;
}
}
/* client already connected isn't an error */
else if (error != ERROR_PIPE_CONNECTED)
{
ERR("ConnectNamedPipe failed with error %d\n", GetLastError());
CloseHandle(hPipe);
break;
}
}
@ -1971,6 +1976,10 @@ static DWORD WINAPI local_server_thread(LPVOID param)
FlushFileBuffers(hPipe);
DisconnectNamedPipe(hPipe);
CloseHandle(hPipe);
/* Clients trying to connect between now and CreateNamedPipeW() will
* fail and will have to retry.
*/
TRACE("done marshalling IClassFactory\n");
@ -1980,7 +1989,6 @@ static DWORD WINAPI local_server_thread(LPVOID param)
break;
}
}
CloseHandle(hPipe);
CloseHandle(pipe_event);
return 0;
}