/* $Id$
 *
 * COPYRIGHT:       See COPYING in the top level directory
 * PROJECT:         ReactOS system libraries
 * FILE:            subsys/csrss/include/api.h
 * PURPOSE:         CSRSS API interface
 */

#pragma once

#define NTOS_MODE_USER
#include <ndk/ntndk.h>

#include <csrss/csrss.h>

typedef enum _CSR_THREAD_FLAGS
{
    CsrThreadAltertable = 0x1,
    CsrThreadInTermination = 0x2,
    CsrThreadTerminated = 0x4,
    CsrThreadIsServerThread = 0x10
} CSR_THREAD_FLAGS, *PCSR_THREAD_FLAGS;

typedef enum _SHUTDOWN_RESULT
{
    CsrShutdownCsrProcess = 1,
    CsrShutdownNonCsrProcess,
    CsrShutdownCancelled
} SHUTDOWN_RESULT, *PSHUTDOWN_RESULT;

typedef enum _CSR_SHUTDOWN_FLAGS
{
    CsrShutdownSystem = 4,
    CsrShutdownOther = 8
} CSR_SHUTDOWN_FLAGS, *PCSR_SHUTDOWN_FLAGS;

typedef enum _CSR_PROCESS_FLAGS
{
    CsrProcessTerminating = 0x1,
    CsrProcessSkipShutdown = 0x2,
    CsrProcessCreateNewGroup = 0x100,
    CsrProcessTerminated = 0x200,
    CsrProcessLastThreadTerminated = 0x400,
    CsrProcessIsConsoleApp = 0x800
} CSR_PROCESS_FLAGS, *PCSR_PROCESS_FLAGS;

typedef struct _CSRSS_PROCESS_DATA
{
  struct tagCSRSS_CONSOLE *Console;
  struct tagCSRSS_CONSOLE *ParentConsole;
  BOOL bInheritHandles;
  RTL_CRITICAL_SECTION HandleTableLock;
  ULONG HandleTableSize;
  struct _CSRSS_HANDLE *HandleTable;
  HANDLE ProcessId;
  DWORD ProcessGroup;
  HANDLE Process;
  ULONG ShutdownLevel;
  ULONG ShutdownFlags;
  HANDLE ConsoleEvent;
  PVOID CsrSectionViewBase;
  ULONG CsrSectionViewSize;
  HANDLE ServerCommunicationPort;
  struct _CSRSS_PROCESS_DATA * next;
  LIST_ENTRY ProcessEntry;
  PCONTROLDISPATCHER CtrlDispatcher;
  BOOL Terminated;
  ULONG Flags;
  ULONG ThreadCount;
  LIST_ENTRY ThreadList;
} CSRSS_PROCESS_DATA, *PCSRSS_PROCESS_DATA;

typedef struct _CSR_THREAD
{
    LARGE_INTEGER CreateTime;
    LIST_ENTRY Link;
    LIST_ENTRY HashLinks;
    CLIENT_ID ClientId;
    PCSRSS_PROCESS_DATA Process;
    //struct _CSR_WAIT_BLOCK *WaitBlock;
    HANDLE ThreadHandle;
    ULONG Flags;
    ULONG ReferenceCount;
    ULONG ImpersonationCount;
} CSR_THREAD, *PCSR_THREAD;

typedef NTSTATUS (WINAPI *CSRSS_API_PROC)(PCSRSS_PROCESS_DATA ProcessData,
                                           PCSR_API_MESSAGE Request);

typedef struct _CSRSS_API_DEFINITION
{
  ULONG Type;
  ULONG MinRequestSize;
  CSRSS_API_PROC Handler;
} CSRSS_API_DEFINITION, *PCSRSS_API_DEFINITION;

#define CSRSS_DEFINE_API(Func, Handler) \
  { Func, sizeof(CSRSS_##Func), Handler }

typedef struct _CSRSS_LISTEN_DATA
{
  HANDLE ApiPortHandle;
  ULONG ApiDefinitionsCount;
  PCSRSS_API_DEFINITION *ApiDefinitions;
} CSRSS_LISTEN_DATA, *PCSRSS_LISTEN_DATA;

#define CSR_API(n) NTSTATUS WINAPI n (\
PCSRSS_PROCESS_DATA ProcessData,\
PCSR_API_MESSAGE Request)

/* init.c */
extern HANDLE hBootstrapOk;
NTSTATUS NTAPI CsrServerInitialization(ULONG ArgumentCount, PCHAR Arguments[]);

/* api/process.c */
CSR_API(CsrConnectProcess);
CSR_API(CsrCreateProcess);
CSR_API(CsrTerminateProcess);
CSR_API(CsrSrvCreateThread);
CSR_API(CsrGetShutdownParameters);
CSR_API(CsrSetShutdownParameters);

/* api/wapi.c */
NTSTATUS FASTCALL CsrApiRegisterDefinitions(PCSRSS_API_DEFINITION NewDefinitions);
VOID FASTCALL CsrApiCallHandler(PCSRSS_PROCESS_DATA ProcessData,
                                PCSR_API_MESSAGE Request);
DWORD WINAPI ServerSbApiPortThread (PVOID PortHandle);
VOID NTAPI ClientConnectionThread(HANDLE ServerPort);

extern HANDLE CsrssApiHeap;

/* api/process.c */
typedef NTSTATUS (WINAPI *CSRSS_ENUM_PROCESS_PROC)(PCSRSS_PROCESS_DATA ProcessData,
                                                    PVOID Context);
VOID WINAPI CsrInitProcessData(VOID);
PCSRSS_PROCESS_DATA WINAPI CsrGetProcessData(HANDLE ProcessId);
PCSRSS_PROCESS_DATA WINAPI CsrCreateProcessData(HANDLE ProcessId);
NTSTATUS WINAPI CsrFreeProcessData( HANDLE Pid );
NTSTATUS WINAPI CsrEnumProcesses(CSRSS_ENUM_PROCESS_PROC EnumProc, PVOID Context);
PCSR_THREAD NTAPI CsrAddStaticServerThread(IN HANDLE hThread, IN PCLIENT_ID ClientId, IN  ULONG ThreadFlags);
PCSR_THREAD NTAPI CsrLocateThreadInProcess(IN PCSRSS_PROCESS_DATA CsrProcess OPTIONAL, IN PCLIENT_ID Cid);
PCSR_THREAD NTAPI CsrLocateThreadByClientId(OUT PCSRSS_PROCESS_DATA *Process OPTIONAL, IN PCLIENT_ID ClientId);
NTSTATUS NTAPI CsrLockProcessByClientId(IN HANDLE Pid, OUT PCSRSS_PROCESS_DATA *CsrProcess OPTIONAL);
NTSTATUS NTAPI CsrCreateThread(IN PCSRSS_PROCESS_DATA CsrProcess, IN HANDLE hThread, IN PCLIENT_ID ClientId);
NTSTATUS NTAPI CsrUnlockProcess(IN PCSRSS_PROCESS_DATA CsrProcess);

//hack
VOID NTAPI CsrThreadRefcountZero(IN PCSR_THREAD CsrThread);

/* api/user.c */
CSR_API(CsrRegisterServicesProcess);

/* EOF */