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