mirror of
https://github.com/reactos/reactos.git
synced 2024-12-26 17:14:41 +00:00
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/*
|
|
* PROJECT: ReactOS Kernel
|
|
* LICENSE: GPL - See COPYING in the top level directory
|
|
* FILE: ntoskrnl/lpc/listen.c
|
|
* PURPOSE: Local Procedure Call: Listening
|
|
* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
|
|
*/
|
|
|
|
/* INCLUDES ******************************************************************/
|
|
|
|
#include <ntoskrnl.h>
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
/* PUBLIC FUNCTIONS **********************************************************/
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
NTSTATUS
|
|
NTAPI
|
|
NtListenPort(IN HANDLE PortHandle,
|
|
OUT PPORT_MESSAGE ConnectMessage)
|
|
{
|
|
NTSTATUS Status;
|
|
|
|
PAGED_CODE();
|
|
LPCTRACE(LPC_LISTEN_DEBUG, "Handle: %p\n", PortHandle);
|
|
|
|
/* Wait forever for a connection request */
|
|
for (;;)
|
|
{
|
|
/* Do the wait */
|
|
Status = NtReplyWaitReceivePort(PortHandle,
|
|
NULL,
|
|
NULL,
|
|
ConnectMessage);
|
|
|
|
_SEH2_TRY
|
|
{
|
|
/* Accept only LPC_CONNECTION_REQUEST requests */
|
|
if ((Status != STATUS_SUCCESS) ||
|
|
(LpcpGetMessageType(ConnectMessage) == LPC_CONNECTION_REQUEST))
|
|
{
|
|
/* Break out */
|
|
_SEH2_YIELD(break);
|
|
}
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Status = _SEH2_GetExceptionCode();
|
|
_SEH2_YIELD(break);
|
|
}
|
|
_SEH2_END;
|
|
}
|
|
|
|
/* Return status */
|
|
return Status;
|
|
}
|
|
|
|
/* EOF */
|