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imminit.c File Reference

#include "precomp.h"

Go to the source code of this file.

Functions

BOOL ImmInitializeGlobals (HINSTANCE hmod)
BOOL ImmRegisterClient (IN PSHAREDINFO psiClient, HINSTANCE hmod)
BOOL ImmDllInitialize (IN PVOID hmod, IN DWORD Reason, IN PCONTEXT pctx OPTIONAL)
PVOID UserRtlAllocMem (ULONG uBytes)
VOID UserRtlFreeMem (PVOID pMem)
VOID UserRtlRaiseStatus (NTSTATUS Status)
DWORD GetRipComponent (VOID)
DWORD GetDbgTagFlags (int tag)
DWORD GetRipPID (VOID)
DWORD GetRipFlags (VOID)
VOID NtUserSetRipFlags (DWORD, DWORD)
VOID SetRipFlags (DWORD dwRipFlags, DWORD dwRipPID)
VOID SetDbgTag (int tag, DWORD dwBitFlags)

Variables

ULONG_PTR gHighestUserAddress

Function Documentation

DWORD GetDbgTagFlags (  int  tag  ) 
 

Definition at line 138 of file imminit.c.

References DWORD, gpsi, and NULL. 

00139 {
00140 #if DEBUGTAGS
00141     return (gpsi != NULL ? gpsi->adwDBGTAGFlags[tag] : 0);
00142 #else
00143     return 0;
00144     UNREFERENCED_PARAMETER(tag);
00145 #endif // DEBUGTAGS
00146 }

DWORD GetRipComponent (  VOID   ) 
 

Definition at line 136 of file imminit.c.

References DWORD. 

00136 { return RIP_IMM; }

DWORD GetRipFlags (  VOID   ) 
 

Definition at line 149 of file imminit.c.

References DWORD, gpsi, NULL, RIPF_DEFAULT, and tagSERVERINFO::wRIPFlags. 

00149 { return (gpsi != NULL ? gpsi->wRIPFlags : RIPF_DEFAULT); }

DWORD GetRipPID (  VOID   ) 
 

Definition at line 148 of file imminit.c.

References DWORD, gpsi, NULL, and tagSERVERINFO::wRIPPID. 

00148 { return (gpsi != NULL ? gpsi->wRIPPID : 0); }

BOOL ImmDllInitialize (  IN PVOID  hmod,
IN DWORD  Reason,
IN PCONTEXT pctx  OPTIONAL
) 
 

Definition at line 67 of file imminit.c.

References BOOL, DestroyInputContext(), FALSE, gcsImeDpi, GetKeyboardLayout(), gfInitialized, ghInst, IMM_MAGIC_CALLER_ID, ImmInitializeGlobals(), IS_IME_ENABLED, NtUserGetThreadState(), NULL, RtlDeleteCriticalSection(), TRUE, and User32InitializeImmEntryTable(). 

00071 {
00072     UNREFERENCED_PARAMETER(pctx);
00073 
00074     switch ( Reason ) {
00075 
00076     case DLL_PROCESS_ATTACH:
00077         UserAssert(!gfInitialized || hmod == ghInst);
00078 
00079         if (!ImmInitializeGlobals(hmod))
00080             return FALSE;
00081 
00082         UserAssert(hmod != NULL);
00083 
00084         // Initialize USER32.DLL in case if USER32 has not bound itself to IMM32
00085         if (!User32InitializeImmEntryTable(IMM_MAGIC_CALLER_ID))
00086             return FALSE;
00087         break;
00088 
00089     case DLL_PROCESS_DETACH:
00090         if (gfInitialized) {
00091             RtlDeleteCriticalSection(&gcsImeDpi);
00092         }
00093         break;
00094 
00095     case DLL_THREAD_DETACH:
00096         if (IS_IME_ENABLED()) {
00097             DestroyInputContext(
00098                 (HIMC)NtUserGetThreadState(UserThreadStateDefaultInputContext),
00099                 GetKeyboardLayout(0),
00100                 TRUE);
00101         }
00102         break;
00103 
00104     default:
00105         break;
00106     }
00107 
00108     return TRUE;
00109 }

BOOL ImmInitializeGlobals (  HINSTANCE  hmod  ) 
 

Definition at line 19 of file imminit.c.

References BOOL, FALSE, gcsImeDpi, gfInitialized, gHighestUserAddress, ghInst, NT_SUCCESS, NtQuerySystemInformation(), NULL, RtlInitializeCriticalSection(), and TRUE.

Referenced by ImmDllInitialize(), and ImmRegisterClient(). 

00020 {
00021     SYSTEM_BASIC_INFORMATION SystemInformation;
00022 
00023     if (hmod) {
00024         /*
00025          * Remember IMM32.DLL's hmodule so we can grab resources from it later.
00026          */
00027         ghInst = hmod;
00028     }
00029     if (gfInitialized) {
00030         return TRUE;
00031     }
00032     if (!NT_SUCCESS(RtlInitializeCriticalSection(&gcsImeDpi))) {
00033         RIPMSG0(RIP_WARNING, "ImmInitializeGlobals: failed to initialize critical section at startup. Just bail.");
00034         return FALSE;
00035     }
00036     if (!NT_SUCCESS(NtQuerySystemInformation(SystemBasicInformation,
00037             &SystemInformation,
00038             sizeof(SystemInformation),
00039             NULL))) {
00040         RIPMSG0(RIP_WARNING, "ImmInitializeGlobals: failed to query system information. Just bail.");
00041         return FALSE;
00042     }
00043     gHighestUserAddress = SystemInformation.MaximumUserModeAddress;
00044 
00045     gfInitialized = TRUE;
00046 
00047     return TRUE;
00048 }

BOOL ImmRegisterClient (  IN PSHAREDINFO  psiClient,
HINSTANCE  hmod
) 
 

Definition at line 51 of file imminit.c.

References BOOL, gpsi, gSharedInfo, ImmInitializeGlobals(), and tagSHAREDINFO::psi.

Referenced by _InitializeImmEntryTable(). 

00053 {
00054     gSharedInfo = *psiClient;
00055     gpsi = gSharedInfo.psi;
00056     /* Raid #97316
00057      * Dlls loaded earlier than imm32.dll could make
00058      * user32 call which calls back imm routines.
00059      * ImmRegisterClient() is called from User32's init routine,
00060      * so we can expect to reach here early enough.
00061      * We need to initialize globals as much as possible
00062      * here.
00063      */
00064     return ImmInitializeGlobals(hmod);
00065 }

VOID NtUserSetRipFlags (  DWORD  ,
DWORD 
) 
 

Definition at line 4490 of file kernel/ntstubs.c. 

04491 {
04492     BEGINRECV_VOID();
04493 
04494     _SetRipFlags(dwRipFlags, dwPID);
04495 
04496     TRACEVOID("NtUserSetRipFlags");
04497     ENDRECV_VOID();
04498 }

VOID SetDbgTag (  int  tag,
DWORD  dwBitFlags
) 
 

Definition at line 158 of file imminit.c.

References VOID(). 

00159 {
00160     RIPMSG0(RIP_ERROR, "SetDbgTag not available in imm32.dll");
00161     return;
00162     UNREFERENCED_PARAMETER(tag);
00163     UNREFERENCED_PARAMETER(dwBitFlags);
00164 }

VOID SetRipFlags (  DWORD  dwRipFlags,
DWORD  dwRipPID
) 
 

Definition at line 153 of file imminit.c.

References NtUserSetRipFlags(), and VOID(). 

00154 {
00155     NtUserSetRipFlags(dwRipFlags, dwRipPID);
00156 }

PVOID UserRtlAllocMem (  ULONG  uBytes  ) 
 

Definition at line 118 of file imminit.c. 

00120 {
00121     return LocalAlloc(LPTR, uBytes);
00122 }

VOID UserRtlFreeMem (  PVOID  pMem  ) 
 

Definition at line 124 of file imminit.c.

References VOID(). 

00126 {
00127     LocalFree(pMem);
00128 }

VOID UserRtlRaiseStatus (  NTSTATUS  Status  ) 
 

Definition at line 130 of file imminit.c.

References RtlRaiseStatus(), Status, and VOID(). 

00132 {
00133     RtlRaiseStatus(Status);
00134 }

Variable Documentation

ULONG_PTR gHighestUserAddress
 

Definition at line 16 of file imminit.c.

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