Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-04 01:25:56 +00:00
Code Issues Projects Releases Packages Wiki Activity

- fixed ConnectNamedPipe to properly wait on completion for synchronous operations

Browse source 
- 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
Download patch file Download diff file Expand all files Collapse all files

54
reactos/lib/kernel32/file/npipe.c
View file

@ -300,37 +300,53 @@ WaitNamedPipeW(LPCWSTR lpNamedPipeName,
* @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;
if (lpOverlapped != NULL)
{
PVOID ApcContext;
lpOverlapped->Internal = STATUS_PENDING;
hEvent = lpOverlapped->hEvent;
IoStatusBlock = (PIO_STATUS_BLOCK)lpOverlapped;
}
else
{
IoStatusBlock = &Iosb;
hEvent = NULL;
}
ApcContext = (((ULONG_PTR)lpOverlapped->hEvent & 0x1) ? NULL : lpOverlapped);
Status = NtFsControlFile(hNamedPipe,
hEvent,
lpOverlapped->hEvent,
NULL,
NULL,
IoStatusBlock,
ApcContext,
(PIO_STATUS_BLOCK)lpOverlapped,
FSCTL_PIPE_LISTEN,
NULL,
0,
NULL,
0);
if ((lpOverlapped == NULL) && (Status == STATUS_PENDING))
/* 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,
@ -341,12 +357,12 @@ ConnectNamedPipe(HANDLE hNamedPipe,
}
}
if ((!NT_SUCCESS(Status) && Status != STATUS_PIPE_CONNECTED) ||
(Status == STATUS_PENDING))
if (!NT_SUCCESS(Status))
{
SetLastErrorByStatus(Status);
return FALSE;
}
}
return TRUE;
}