[tretiakov] 25922: Make ntuser locks use eresource instead of mutex. Fix corresponding FIXME in class.c

Author: tretiakov
Date: Wed Feb 28 16:21:48 2007
New Revision: 25922

URL: http://svn.reactos.org/svn/reactos?rev=25922&view=rev
Log:
Make ntuser locks use eresource instead of mutex.
Fix corresponding FIXME in class.c

Modified:
    trunk/reactos/subsystems/win32/win32k/include/ntuser.h
    trunk/reactos/subsystems/win32/win32k/ntuser/class.c
    trunk/reactos/subsystems/win32/win32k/ntuser/ntuser.c

Modified: trunk/reactos/subsystems/win32/win32k/include/ntuser.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/inc...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/include/ntuser.h (original)
+++ trunk/reactos/subsystems/win32/win32k/include/ntuser.h Wed Feb 28 16:21:48 2007
@@ -1,12 +1,5 @@
 #ifndef _WIN32K_NTUSER_H
 #define _WIN32K_NTUSER_H
-
-
-extern char* _file;
-extern DWORD _line;
-extern DWORD _locked;
-
-extern FAST_MUTEX UserLock;

#define DECLARE_RETURN(type) type _ret_
 #define RETURN(value) { _ret_ = value; goto _cleanup_; }
@@ -14,45 +7,17 @@
 #define END_CLEANUP return _ret_;

-#define UserEnterCo() UserEnterExclusive()
-#define UserLeaveCo() UserLeave()
-
-#define UserEnterShared() UserEnterExclusive()
-
-#define UserEnterExclusive() \
-{ \
-  /* DPRINT1("try xlock, %s, %i (%i)\n",__FILE__,__LINE__, _locked);*/ \
-   if (UserLock.Owner == KeGetCurrentThread()){ \
-      DPRINT1("file %s, line %i\n",_file, _line); \
-      ASSERT(FALSE); \
-   }  \
-   UUserEnterExclusive(); \
-   ASSERT(InterlockedIncrement((PLONG)(&_locked)) == 1 /*> 0*/); \
-   _file = __FILE__; _line = __LINE__; \
-  /* DPRINT("got lock, %s, %i (%i)\n",__FILE__,__LINE__, _locked);*/ \
-}
-
-#define UserLeave() \
-{ \
-   ASSERT(InterlockedDecrement((PLONG)(&_locked)) == 0/*>= 0*/); \
-   /*DPRINT("unlock, %s, %i (%i)\n",__FILE__,__LINE__, _locked);*/ \
-   if (UserLock.Owner != KeGetCurrentThread()) { \
-     DPRINT1("file %s, line %i\n",_file, _line); \
-     ASSERT(FALSE); \
-   } \
-   _file = __FILE__; _line = __LINE__; \
-   UUserLeave(); \
-}
- 
+#define UserEnterCo UserEnterExclusive
+#define UserLeaveCo UserLeave

NTSTATUS FASTCALL InitUserImpl(VOID);
-VOID FASTCALL UninitUser(VOID);
-VOID FASTCALL UUserEnterShared(VOID);
-VOID FASTCALL UUserEnterExclusive(VOID);
-VOID FASTCALL UUserLeave(VOID);
+VOID FASTCALL CleanupUserImpl(VOID);
+VOID FASTCALL UserEnterShared(VOID);
+VOID FASTCALL UserEnterExclusive(VOID);
+VOID FASTCALL UserLeave(VOID);
 BOOL FASTCALL UserIsEntered();
-
+BOOL FASTCALL UserIsEnteredExclusive();

#endif /* _WIN32K_NTUSER_H */

Modified: trunk/reactos/subsystems/win32/win32k/ntuser/class.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ntu...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/class.c (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/class.c Wed Feb 28 16:21:48 2007
@@ -220,8 +220,8 @@
                    IN BOOL Ansi,
                    IN BOOL UseCallProc2)
 {
-    /* FIXME - assert for exclusive lock! */
-
+    ASSERT(UserIsEnteredExclusive() == TRUE);
+    
     if (Class->System)
     {
         return (Ansi ? Class->WndProcExtra : Class->WndProc);

Modified: trunk/reactos/subsystems/win32/win32k/ntuser/ntuser.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ntu...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/ntuser.c (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/ntuser.c Wed Feb 28 16:21:48 2007
@@ -33,25 +33,16 @@
 #define NDEBUG
 #include <debug.h>

-
-FAST_MUTEX UserLock;
-
-char* _file;
-DWORD _line;
-DWORD _locked=0;
+ERESOURCE UserLock;

/* FUNCTIONS **********************************************************/

NTSTATUS FASTCALL InitUserImpl(VOID)
 {
-   //PVOID mem;
    NTSTATUS Status;

-   //   DPRINT("Enter InitUserImpl\n");
-   //   ExInitializeResourceLite(&UserLock);
-
-   ExInitializeFastMutex(&UserLock);
+   ExInitializeResourceLite(&UserLock);

if (!ObmCreateHandleTable())
    {
@@ -75,41 +66,31 @@
 */
 BOOL FASTCALL UserIsEntered()
 {
-   return (UserLock.Owner == KeGetCurrentThread());
+   return ExIsResourceAcquiredExclusiveLite(&UserLock) 
+      || ExIsResourceAcquiredSharedLite(&UserLock);
 }

-
-VOID FASTCALL CleanupUser(VOID)
+BOOL FASTCALL UserIsEnteredExclusive()
 {
-   //   ExDeleteResourceLite(&UserLock);
+   return ExIsResourceAcquiredExclusiveLite(&UserLock);
 }

-VOID FASTCALL UUserEnterShared(VOID)
+VOID FASTCALL CleanupUserImpl(VOID)
 {
-   //   DPRINT("Enter IntLockUserShared\n");
-   //   KeDumpStackFrames((PULONG)__builtin_frame_address(0));
-   //DPRINT("%x\n",__builtin_return_address(0));
-   //   KeEnterCriticalRegion();
-   //   ExAcquireResourceSharedLite(&UserLock, TRUE);
-   ExEnterCriticalRegionAndAcquireFastMutexUnsafe(&UserLock);
+   ExDeleteResourceLite(&UserLock);
 }

-VOID FASTCALL UUserEnterExclusive(VOID)
+VOID FASTCALL UserEnterShared(VOID)
 {
-   //   DPRINT("Enter UserEnterExclusive\n");
-   //   KeDumpStackFrames((PULONG)__builtin_frame_address(0));
-   //DPRINT("%x\n",__builtin_return_address(0));
-   //   KeEnterCriticalRegion();
-   //   ExAcquireResourceExclusiveLite(&UserLock, TRUE);
-   ExEnterCriticalRegionAndAcquireFastMutexUnsafe(&UserLock);
+   ExAcquireResourceSharedLite(&UserLock, TRUE);
 }

-VOID FASTCALL UUserLeave(VOID)
+VOID FASTCALL UserEnterExclusive(VOID)
 {
-   //   DPRINT("Enter UserLeave\n");
-   //   KeDumpStackFrames((PULONG)__builtin_frame_address(0));
-   //DPRINT("%x\n",__builtin_return_address(0));
-   //  ExReleaseResourceLite(&UserLock);
-   //   KeLeaveCriticalRegion();
-   ExReleaseFastMutexUnsafeAndLeaveCriticalRegion(&UserLock);
+   ExAcquireResourceExclusiveLite(&UserLock, TRUE);
 }
+
+VOID FASTCALL UserLeave(VOID)
+{
+   ExReleaseResourceLite(&UserLock);
+}