mirror of
https://github.com/reactos/reactos.git
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166 lines
3.8 KiB
C
166 lines
3.8 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/include/internal/lpc.h
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* PURPOSE: Internal header for the Local Procedure Call
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* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
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*/
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//
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// Define this if you want debugging support
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//
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#define _LPC_DEBUG_ 0x00
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//
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// These define the Debug Masks Supported
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//
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#define LPC_CREATE_DEBUG 0x01
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#define LPC_CLOSE_DEBUG 0x02
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#define LPC_CONNECT_DEBUG 0x04
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#define LPC_LISTEN_DEBUG 0x08
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#define LPC_REPLY_DEBUG 0x10
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#define LPC_COMPLETE_DEBUG 0x20
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#define LPC_SEND_DEBUG 0x40
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//
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// Debug/Tracing support
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//
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#if _LPC_DEBUG_
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#ifdef NEW_DEBUG_SYSTEM_IMPLEMENTED // enable when Debug Filters are implemented
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#define LPCTRACE(x, ...) \
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{ \
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DbgPrintEx("%s [%.16s] - ", \
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__FUNCTION__, \
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PsGetCurrentProcess()->ImageFileName); \
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DbgPrintEx(__VA_ARGS__); \
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}
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#else
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#define LPCTRACE(x, ...) \
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if (x & LpcpTraceLevel) \
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{ \
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DbgPrint("%s [%.16s:%lx] - ", \
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__FUNCTION__, \
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PsGetCurrentProcess()->ImageFileName, \
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PsGetCurrentThreadId()); \
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DbgPrint(__VA_ARGS__); \
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}
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#endif
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#else
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#define LPCTRACE(x, fmt, ...) DPRINT(fmt, ##__VA_ARGS__)
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#endif
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//
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// LPC Port/Message Flags
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//
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#define LPCP_THREAD_FLAG_IS_PORT 1
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#define LPCP_THREAD_FLAG_NO_IMPERSONATION 2
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#define LPCP_THREAD_FLAGS (LPCP_THREAD_FLAG_IS_PORT | \
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LPCP_THREAD_FLAG_NO_IMPERSONATION)
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//
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// LPC Locking Flags
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//
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#define LPCP_LOCK_HELD 1
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#define LPCP_LOCK_RELEASE 2
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typedef struct _LPCP_DATA_INFO
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{
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ULONG NumberOfEntries;
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struct
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{
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PVOID BaseAddress;
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ULONG DataLength;
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} Entries[1];
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} LPCP_DATA_INFO, *PLPCP_DATA_INFO;
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//
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// Internal Port Management
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//
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VOID
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NTAPI
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LpcpClosePort(
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IN PEPROCESS Process OPTIONAL,
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IN PVOID Object,
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IN ACCESS_MASK GrantedAccess,
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IN ULONG ProcessHandleCount,
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IN ULONG SystemHandleCount
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);
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VOID
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NTAPI
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LpcpDeletePort(
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IN PVOID ObjectBody
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);
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NTSTATUS
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NTAPI
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LpcpInitializePortQueue(
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IN PLPCP_PORT_OBJECT Port
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);
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VOID
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NTAPI
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LpcpFreeToPortZone(
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IN PLPCP_MESSAGE Message,
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IN ULONG LockFlags
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);
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VOID
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NTAPI
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LpcpMoveMessage(
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IN PPORT_MESSAGE Destination,
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IN PPORT_MESSAGE Origin,
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IN PVOID Data,
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IN ULONG MessageType,
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IN PCLIENT_ID ClientId
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);
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VOID
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NTAPI
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LpcpSaveDataInfoMessage(
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IN PLPCP_PORT_OBJECT Port,
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IN PLPCP_MESSAGE Message,
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IN ULONG LockFlags
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);
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//
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// Module-external utlity functions
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//
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VOID
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NTAPI
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LpcExitThread(
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IN PETHREAD Thread
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);
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//
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// Initialization functions
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//
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BOOLEAN
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NTAPI
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LpcInitSystem(
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VOID
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);
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BOOLEAN
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NTAPI
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LpcpValidateClientPort(
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PETHREAD ClientThread,
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PLPCP_PORT_OBJECT Port);
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//
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// Global data inside the Process Manager
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//
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extern POBJECT_TYPE LpcPortObjectType;
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extern ULONG LpcpNextMessageId, LpcpNextCallbackId;
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extern KGUARDED_MUTEX LpcpLock;
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extern PAGED_LOOKASIDE_LIST LpcpMessagesLookaside;
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extern ULONG LpcpMaxMessageSize;
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extern ULONG LpcpTraceLevel;
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//
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// Inlined Functions
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//
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#include "lpc_x.h"
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