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- fixed ConnectNamedPipe to properly wait on completion for synchronous operations

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- 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)

svn path=/trunk/; revision=15048
This commit is contained in:
Thomas Bluemel 2005-05-06 16:07:51 +00:00
parent f16e5b9e1d
commit ecba32de75
1 changed files with 60 additions and 44 deletions
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104
reactos/lib/kernel32/file/npipe.c
View file

@ -300,55 +300,71 @@ WaitNamedPipeW(LPCWSTR lpNamedPipeName,
* @implemented * @implemented
*/ */
BOOL STDCALL BOOL STDCALL
ConnectNamedPipe(HANDLE hNamedPipe, ConnectNamedPipe(IN HANDLE hNamedPipe,
LPOVERLAPPED lpOverlapped) IN LPOVERLAPPED lpOverlapped)
{ {
PIO_STATUS_BLOCK IoStatusBlock; NTSTATUS Status;
IO_STATUS_BLOCK Iosb;
HANDLE hEvent;
NTSTATUS Status;
if (lpOverlapped != NULL) if (lpOverlapped != NULL)
{ {
lpOverlapped->Internal = STATUS_PENDING; PVOID ApcContext;
hEvent = lpOverlapped->hEvent;
IoStatusBlock = (PIO_STATUS_BLOCK)lpOverlapped;
}
else
{
IoStatusBlock = &Iosb;
hEvent = NULL;
}
Status = NtFsControlFile(hNamedPipe, lpOverlapped->Internal = STATUS_PENDING;
hEvent, ApcContext = (((ULONG_PTR)lpOverlapped->hEvent & 0x1) ? NULL : lpOverlapped);
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;
}
}
if ((!NT_SUCCESS(Status) && Status != STATUS_PIPE_CONNECTED) || Status = NtFsControlFile(hNamedPipe,
(Status == STATUS_PENDING)) lpOverlapped->hEvent,
{ NULL,
SetLastErrorByStatus(Status); ApcContext,
return FALSE; (PIO_STATUS_BLOCK)lpOverlapped,
} FSCTL_PIPE_LISTEN,
NULL,
0,
NULL,
0);
return TRUE; /* 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);
/* 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))
{
SetLastErrorByStatus(Status);
return FALSE;
}
}
return TRUE;
} }