[jimtabor] 49935: [Win32k] - More fixes to In Send and Reply message support.

Author: jimtabor
Date: Fri Dec  3 18:02:02 2010
New Revision: 49935

URL: http://svn.reactos.org/svn/reactos?rev=49935&view=rev
Log:
[Win32k]
- More fixes to In Send and Reply message support.

Modified:
    trunk/reactos/subsystems/win32/win32k/include/msgqueue.h
    trunk/reactos/subsystems/win32/win32k/include/win32.h
    trunk/reactos/subsystems/win32/win32k/ntuser/message.c
    trunk/reactos/subsystems/win32/win32k/ntuser/misc.c
    trunk/reactos/subsystems/win32/win32k/ntuser/msgqueue.c

Modified: trunk/reactos/subsystems/win32/win32k/include/msgqueue.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/in…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/include/msgqueue.h [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/include/msgqueue.h [iso-8859-1] Fri Dec  3
18:02:02 2010
@@ -38,6 +38,7 @@
   LRESULT* Result;
   LRESULT lResult;
   struct _USER_MESSAGE_QUEUE* SenderQueue;
+  struct _USER_MESSAGE_QUEUE* CallBackSenderQueue;
   SENDASYNCPROC CompletionCallback;
   ULONG_PTR CompletionCallbackContext;
   /* entry in the dispatching list of the sender's message queue */

Modified: trunk/reactos/subsystems/win32/win32k/include/win32.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/in…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/include/win32.h [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/include/win32.h [iso-8859-1] Fri Dec  3 18:02:02
2010
@@ -75,6 +75,7 @@
     PCLIENTINFO         pClientInfo;
     FLONG               TIF_flags;
     PUNICODE_STRING     pstrAppName;
+    struct _USER_SENT_MESSAGE *pusmCurrent;
     LONG                timeLast;
     ULONG_PTR           idLast;
     INT                 exitCode;

Modified: trunk/reactos/subsystems/win32/win32k/ntuser/message.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/nt…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/message.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/message.c [iso-8859-1] Fri Dec  3
18:02:02 2010
@@ -1383,7 +1383,8 @@
     Message->Result = 0;
     Message->lResult = 0;
     Message->QS_Flags = 0;
-    Message->SenderQueue = NULL; // mjmartin, you are right! This is null.
Win32Thread->MessageQueue;
+    Message->SenderQueue = NULL; // mjmartin, you are right! This is null.
+    Message->CallBackSenderQueue = Win32Thread->MessageQueue;
 
     IntReferenceMessageQueue(Window->head.pti->MessageQueue);
     Message->CompletionCallback = CompletionCallback;

Modified: trunk/reactos/subsystems/win32/win32k/ntuser/misc.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/nt…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/misc.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/misc.c [iso-8859-1] Fri Dec  3 18:02:02
2010
@@ -102,18 +102,13 @@
          break;
       case THREADSTATE_INSENDMESSAGE:
          {
-           PUSER_SENT_MESSAGE Message;
-           PLIST_ENTRY Entry;
-           PUSER_MESSAGE_QUEUE MessageQueue = 
-                ((PTHREADINFO)PsGetCurrentThreadWin32Thread())->MessageQueue;
+           PUSER_SENT_MESSAGE Message = 
+                ((PTHREADINFO)PsGetCurrentThreadWin32Thread())->pusmCurrent;
            DPRINT1("THREADSTATE_INSENDMESSAGE\n");
 
            ret = ISMEX_NOSEND;
-           if (!IsListEmpty(&MessageQueue->SentMessagesListHead))
+           if (Message)
            {
-             Entry = MessageQueue->SentMessagesListHead.Flink; 
-             Message = CONTAINING_RECORD(Entry, USER_SENT_MESSAGE, ListEntry);
-
              if (Message->SenderQueue)
                 ret = ISMEX_SEND;
              else

Modified: trunk/reactos/subsystems/win32/win32k/ntuser/msgqueue.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/nt…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/msgqueue.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/msgqueue.c [iso-8859-1] Fri Dec  3
18:02:02 2010
@@ -418,7 +418,7 @@
 BOOLEAN FASTCALL
 co_MsqDispatchOneSentMessage(PUSER_MESSAGE_QUEUE MessageQueue)
 {
-   PUSER_SENT_MESSAGE Message;
+   PUSER_SENT_MESSAGE SaveMsg, Message;
    PLIST_ENTRY Entry;
    LRESULT Result;
    PTHREADINFO pti;
@@ -433,9 +433,14 @@
    Message = CONTAINING_RECORD(Entry, USER_SENT_MESSAGE, ListEntry);
 
    pti = MessageQueue->Thread->Tcb.Win32Thread;
+
+   SaveMsg = pti->pusmCurrent;
+   pti->pusmCurrent = Message;
+
    // Processing a message sent to it from another thread.
-   if ( MessageQueue != Message->SenderQueue ) // most likely, but, to be sure.
-   {
+   if ( ( Message->SenderQueue && MessageQueue != Message->SenderQueue) ||
+        ( Message->CallBackSenderQueue && MessageQueue !=
Message->CallBackSenderQueue ))
+   {  // most likely, but, to be sure.
       pti->pcti->CTI_flags |= CTI_INSENDMESSAGE; // Let the user know...
    }
 
@@ -528,6 +533,7 @@
    ExFreePoolWithTag(Message, TAG_USRMSG);
 
    pti->pcti->CTI_flags &= ~CTI_INSENDMESSAGE;
+   pti->pusmCurrent = SaveMsg;
 
    return(TRUE);
 }
@@ -659,6 +665,7 @@
    Message->lResult = 0;
    Message->QS_Flags = 0;
    Message->SenderQueue = ThreadQueue;
+   Message->CallBackSenderQueue = NULL;
    IntReferenceMessageQueue(ThreadQueue);
    Message->CompletionCallback = NULL;
    Message->CompletionCallbackContext = 0;
@@ -1606,34 +1613,26 @@
    return MessageQueue->ExtraInfo;
 }
 
+// ReplyMessage is called by the thread receiving the window message.
 BOOL FASTCALL
 co_MsqReplyMessage( LRESULT lResult )
 {
    PUSER_SENT_MESSAGE Message;
-   PLIST_ENTRY Entry;
    PTHREADINFO pti;
-   PUSER_MESSAGE_QUEUE MessageQueue;
 
    pti = PsGetCurrentThreadWin32Thread();
-   MessageQueue = pti->MessageQueue;
-
-   if(!MessageQueue) return FALSE;
-
-   if (IsListEmpty(&MessageQueue->SentMessagesListHead))
-   {
-      return(FALSE);
-   }
-   // Do we loop through all msgs or just set the first one?
-   Entry = MessageQueue->SentMessagesListHead.Flink; 
-   Message = CONTAINING_RECORD(Entry, USER_SENT_MESSAGE, ListEntry);
+   Message = pti->pusmCurrent;
+
+   if(!Message) return FALSE;
 
    if (Message->QS_Flags & QS_SMRESULT) return FALSE;
 
+   //     SendMessageXxx    || Callback msg and not a notify msg
    if (Message->SenderQueue || Message->CompletionCallback)
    {
       Message->lResult = lResult;
       Message->QS_Flags |= QS_SMRESULT;
-      MsqWakeQueue(MessageQueue, 0, TRUE); // Wake it up!? Bits?
+   // See co_MsqDispatchOneSentMessage, change bits already accounted for and cleared and
this msg is going away..
    }
    return TRUE;
 }