- fixed ConnectNamedPipe to properly wait on completion for synchronous
operations
- prevent completion port notification by not passing an APC context to
the kernel when the low-order bit of the event handle is set (for
asynchronous operations)
Modified: trunk/reactos/lib/kernel32/file/npipe.c
_____
Modified: trunk/reactos/lib/kernel32/file/npipe.c
--- trunk/reactos/lib/kernel32/file/npipe.c 2005-05-06 16:05:37 UTC
(rev 15047)
+++ trunk/reactos/lib/kernel32/file/npipe.c 2005-05-06 16:07:51 UTC
(rev 15048)
@@ -300,55 +300,71 @@
* @implemented
*/
BOOL STDCALL
-ConnectNamedPipe(HANDLE hNamedPipe,
- LPOVERLAPPED lpOverlapped)
+ConnectNamedPipe(IN HANDLE hNamedPipe,
+ IN LPOVERLAPPED lpOverlapped)
{
- PIO_STATUS_BLOCK IoStatusBlock;
- IO_STATUS_BLOCK Iosb;
- HANDLE hEvent;
- NTSTATUS Status;
+ NTSTATUS Status;
+
+ if (lpOverlapped != NULL)
+ {
+ PVOID ApcContext;
+
+ lpOverlapped->Internal = STATUS_PENDING;
+ ApcContext = (((ULONG_PTR)lpOverlapped->hEvent & 0x1) ? NULL :
lpOverlapped);
+
+ Status = NtFsControlFile(hNamedPipe,
+ lpOverlapped->hEvent,
+ NULL,
+ ApcContext,
+ (PIO_STATUS_BLOCK)lpOverlapped,
+ FSCTL_PIPE_LISTEN,
+ NULL,
+ 0,
+ NULL,
+ 0);
- if (lpOverlapped != NULL)
- {
- lpOverlapped->Internal = STATUS_PENDING;
- hEvent = lpOverlapped->hEvent;
- IoStatusBlock = (PIO_STATUS_BLOCK)lpOverlapped;
- }
- else
- {
- IoStatusBlock = &Iosb;
- hEvent = NULL;
- }
+ /* return FALSE in case of failure and pending operations! */
+ if (!NT_SUCCESS(Status) || Status == STATUS_PENDING)
+ {
+ SetLastErrorByStatus(Status);
+ return FALSE;
+ }
+ }
+ else
+ {
+ IO_STATUS_BLOCK Iosb;
+
+ Status = NtFsControlFile(hNamedPipe,
+ NULL,
+ NULL,
+ NULL,
+ &Iosb,
+ FSCTL_PIPE_LISTEN,
+ NULL,
+ 0,
+ NULL,
+ 0);
- Status = NtFsControlFile(hNamedPipe,
- hEvent,
- NULL,
- NULL,
- IoStatusBlock,
- FSCTL_PIPE_LISTEN,
- NULL,
- 0,
- NULL,
- 0);
- if ((lpOverlapped == NULL) && (Status == STATUS_PENDING))
- {
- Status = NtWaitForSingleObject(hNamedPipe,
- FALSE,
- NULL);
- if (NT_SUCCESS(Status))
- {
- Status = Iosb.Status;
- }
- }
+ /* wait in case operation is pending */
+ if (Status == STATUS_PENDING)
+ {
+ Status = NtWaitForSingleObject(hNamedPipe,
+ FALSE,
+ NULL);
+ if (NT_SUCCESS(Status))
+ {
+ Status = Iosb.Status;
+ }
+ }
- if ((!NT_SUCCESS(Status) && Status != STATUS_PIPE_CONNECTED) ||
- (Status == STATUS_PENDING))
- {
- SetLastErrorByStatus(Status);
- return FALSE;
- }
+ if (!NT_SUCCESS(Status))
+ {
+ SetLastErrorByStatus(Status);
+ return FALSE;
+ }
+ }
- return TRUE;
+ return TRUE;
}
Show replies by date