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527f2f9057
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
119 lines
3.7 KiB
C
119 lines
3.7 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/port.c
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* PURPOSE: Local Procedure Call: Port Management
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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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/* GLOBALS *******************************************************************/
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POBJECT_TYPE LpcPortObjectType, LpcWaitablePortObjectType;
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ULONG LpcpMaxMessageSize;
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PAGED_LOOKASIDE_LIST LpcpMessagesLookaside;
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KGUARDED_MUTEX LpcpLock;
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ULONG LpcpTraceLevel = 0;
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ULONG LpcpNextMessageId = 1, LpcpNextCallbackId = 1;
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static GENERIC_MAPPING LpcpPortMapping =
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{
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READ_CONTROL | PORT_CONNECT,
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DELETE | PORT_CONNECT,
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0,
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PORT_ALL_ACCESS
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};
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/* PRIVATE FUNCTIONS *********************************************************/
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BOOLEAN
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NTAPI
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INIT_FUNCTION
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LpcInitSystem(VOID)
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{
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OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
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UNICODE_STRING Name;
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/* Setup the LPC Lock */
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KeInitializeGuardedMutex(&LpcpLock);
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/* Create the Port Object Type */
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RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
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RtlInitUnicodeString(&Name, L"Port");
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ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
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ObjectTypeInitializer.DefaultNonPagedPoolCharge = sizeof(LPCP_NONPAGED_PORT_QUEUE);
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ObjectTypeInitializer.DefaultPagedPoolCharge = FIELD_OFFSET(LPCP_PORT_OBJECT, WaitEvent);
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ObjectTypeInitializer.GenericMapping = LpcpPortMapping;
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ObjectTypeInitializer.PoolType = PagedPool;
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ObjectTypeInitializer.UseDefaultObject = TRUE;
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ObjectTypeInitializer.CloseProcedure = LpcpClosePort;
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ObjectTypeInitializer.DeleteProcedure = LpcpDeletePort;
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ObjectTypeInitializer.ValidAccessMask = PORT_ALL_ACCESS;
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ObjectTypeInitializer.InvalidAttributes = OBJ_VALID_ATTRIBUTES & ~OBJ_CASE_INSENSITIVE;
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ObCreateObjectType(&Name,
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&ObjectTypeInitializer,
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NULL,
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&LpcPortObjectType);
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RtlInitUnicodeString(&Name, L"WaitablePort");
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ObjectTypeInitializer.PoolType = NonPagedPool;
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ObjectTypeInitializer.DefaultNonPagedPoolCharge += sizeof(LPCP_PORT_OBJECT);
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ObjectTypeInitializer.DefaultPagedPoolCharge = 0;
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ObjectTypeInitializer.UseDefaultObject = FALSE;
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ObCreateObjectType(&Name,
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&ObjectTypeInitializer,
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NULL,
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&LpcWaitablePortObjectType);
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/* Allocate the LPC lookaside list */
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LpcpMaxMessageSize = LPCP_MAX_MESSAGE_SIZE;
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ExInitializePagedLookasideList(&LpcpMessagesLookaside,
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NULL,
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NULL,
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0,
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LpcpMaxMessageSize,
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'McpL',
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32);
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/* We're done */
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return TRUE;
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}
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/* PUBLIC FUNCTIONS **********************************************************/
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NTSTATUS
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NTAPI
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NtImpersonateClientOfPort(IN HANDLE PortHandle,
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IN PPORT_MESSAGE ClientMessage)
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{
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UNIMPLEMENTED;
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS
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NTAPI
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NtQueryPortInformationProcess(VOID)
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{
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/* This is all this function does */
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return STATUS_UNSUCCESSFUL;
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}
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NTSTATUS
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NTAPI
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NtQueryInformationPort(IN HANDLE PortHandle,
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IN PORT_INFORMATION_CLASS PortInformationClass,
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OUT PVOID PortInformation,
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IN ULONG PortInformationLength,
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OUT PULONG ReturnLength)
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{
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UNIMPLEMENTED;
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return STATUS_NOT_IMPLEMENTED;
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}
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/* EOF */
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