Moved MsgWaitForMultipleObject implementation to USER routines, using

a normal Win32 event.

include/queue.h

@@ -80,7 +80,6 @@ extern BOOL32 QUEUE_IsExitingQueue( HQUEUE16 hQueue );
 extern void QUEUE_SetExitingQueue( HQUEUE16 hQueue );
 extern MESSAGEQUEUE *QUEUE_GetSysQueue(void);
 extern void QUEUE_Signal( HTASK16 hTask );
-extern void QUEUE_Wait(void);
 extern void QUEUE_SetWakeBit( MESSAGEQUEUE *queue, WORD bit );
 extern void QUEUE_ClearWakeBit( MESSAGEQUEUE *queue, WORD bit );
 extern void QUEUE_ReceiveMessage( MESSAGEQUEUE *queue );

include/thread.h

@@ -63,7 +63,6 @@ typedef struct
     DWORD         count;     /* Count of valid objects */
     DWORD         signaled;  /* Index of signaled object (or WAIT_FAILED)*/
     BOOL32        wait_all;  /* Wait for all objects flag */
-    BOOL32        wait_msg;  /* Wait for message flag */
     K32OBJ       *objs[MAXIMUM_WAIT_OBJECTS];  /* Object pointers */
     int           server[MAXIMUM_WAIT_OBJECTS];  /* Server handles */
 } WAIT_STRUCT;
@@ -73,7 +72,7 @@ typedef struct _THDB
 {
     K32OBJ         header;         /*  00 Kernel object header */
     struct _PDB32 *process;        /*  08 Process owning this thread */
-    K32OBJ        *event;          /*  0c Thread event */
+    HANDLE32       event;          /*  0c Thread event */
     TEB            teb;            /*  10 Thread exception block */
     DWORD          flags;          /*  44 Flags */
     DWORD          exit_code;      /*  48 Termination status */
@@ -118,6 +117,7 @@ typedef struct _THDB
     void          *server_tid;     /*     Server id for this thread */
 } THDB;
 
+
 /* Thread queue entry */
 typedef struct _THREAD_ENTRY
 {
@@ -160,12 +160,6 @@ extern void THREAD_AddQueue( THREAD_QUEUE *queue, THDB *thread );
 extern void THREAD_RemoveQueue( THREAD_QUEUE *queue, THDB *thread );
 extern DWORD THREAD_TlsAlloc( THDB *thread );
 
-/* scheduler/synchro.c */
-extern DWORD SYNC_DoWait( DWORD count, const HANDLE32 *handles,
-                          BOOL32 wait_all, DWORD timeout,
-                          BOOL32 alertable, BOOL32 wait_msg );
-
-
 /* scheduler/sysdeps.c */
 extern int SYSDEPS_SpawnThread( THDB *thread );
 extern void SYSDEPS_ExitThread(void);

scheduler/synchro.c

@@ -21,8 +21,7 @@
  *           SYNC_BuildWaitStruct
  */
 static BOOL32 SYNC_BuildWaitStruct( DWORD count, const HANDLE32 *handles,
-                                    BOOL32 wait_all, BOOL32 wait_msg, 
+                                    BOOL32 wait_all, WAIT_STRUCT *wait )
-                                    WAIT_STRUCT *wait )
 {
     DWORD i;
     K32OBJ **ptr;
@@ -31,7 +30,6 @@ static BOOL32 SYNC_BuildWaitStruct( DWORD count, const HANDLE32 *handles,
     wait->count    = count;
     wait->signaled = WAIT_FAILED;
     wait->wait_all = wait_all;
-    wait->wait_msg = wait_msg;
     for (i = 0, ptr = wait->objs; i < count; i++, ptr++)
     {
         if (!(*ptr = HANDLE_GetObjPtr( PROCESS_Current(), handles[i],
@@ -49,7 +47,6 @@ static BOOL32 SYNC_BuildWaitStruct( DWORD count, const HANDLE32 *handles,
     if (i != count)
     {
         /* There was an error */
-        wait->wait_msg = FALSE;
         while (i--) K32OBJ_DecCount( wait->objs[i] );
     }
     SYSTEM_UNLOCK();
@@ -65,7 +62,6 @@ static void SYNC_FreeWaitStruct( WAIT_STRUCT *wait )
     DWORD i;
     K32OBJ **ptr;
     SYSTEM_LOCK();
-    wait->wait_msg = FALSE;
     for (i = 0, ptr = wait->objs; i < wait->count; i++, ptr++)
         K32OBJ_DecCount( *ptr );
     SYSTEM_UNLOCK();
@@ -75,9 +71,8 @@ static void SYNC_FreeWaitStruct( WAIT_STRUCT *wait )
 /***********************************************************************
  *           SYNC_DoWait
  */
-DWORD SYNC_DoWait( DWORD count, const HANDLE32 *handles,
+static DWORD SYNC_DoWait( DWORD count, const HANDLE32 *handles,
-                   BOOL32 wait_all, DWORD timeout, 
+                          BOOL32 wait_all, DWORD timeout, BOOL32 alertable )
-                   BOOL32 alertable, BOOL32 wait_msg )
 {
     WAIT_STRUCT *wait = &THREAD_Current()->wait_struct;
 
@@ -90,14 +85,13 @@ DWORD SYNC_DoWait( DWORD count, const HANDLE32 *handles,
     if (alertable)
         FIXME(win32, "alertable not implemented\n" );
 
-    if (!SYNC_BuildWaitStruct( count, handles, wait_all, wait_msg, wait ))
+    if (!SYNC_BuildWaitStruct( count, handles, wait_all, wait ))
         wait->signaled = WAIT_FAILED;
     else
     {
         int flags = 0;
         if (wait_all) flags |= SELECT_ALL;
         if (alertable) flags |= SELECT_ALERTABLE;
-        if (wait_msg) flags |= SELECT_MSG;
         if (timeout != INFINITE32) flags |= SELECT_TIMEOUT;
         wait->signaled = CLIENT_Select( count, wait->server, flags, timeout );
         SYNC_FreeWaitStruct( wait );
@@ -110,7 +104,7 @@ DWORD SYNC_DoWait( DWORD count, const HANDLE32 *handles,
  */
 VOID WINAPI Sleep( DWORD timeout )
 {
-    SYNC_DoWait( 0, NULL, FALSE, timeout, FALSE, FALSE );
+    SYNC_DoWait( 0, NULL, FALSE, timeout, FALSE );
 }
 
 /******************************************************************************
@@ -118,7 +112,7 @@ VOID WINAPI Sleep( DWORD timeout )
  */
 DWORD WINAPI SleepEx( DWORD timeout, BOOL32 alertable )
 {
-    DWORD ret = SYNC_DoWait( 0, NULL, FALSE, timeout, alertable, FALSE );
+    DWORD ret = SYNC_DoWait( 0, NULL, FALSE, timeout, alertable );
     if (ret != WAIT_IO_COMPLETION) ret = 0;
     return ret;
 }
@@ -129,7 +123,7 @@ DWORD WINAPI SleepEx( DWORD timeout, BOOL32 alertable )
  */
 DWORD WINAPI WaitForSingleObject( HANDLE32 handle, DWORD timeout )
 {
-    return SYNC_DoWait( 1, &handle, FALSE, timeout, FALSE, FALSE );
+    return SYNC_DoWait( 1, &handle, FALSE, timeout, FALSE );
 }
 
 
@@ -139,7 +133,7 @@ DWORD WINAPI WaitForSingleObject( HANDLE32 handle, DWORD timeout )
 DWORD WINAPI WaitForSingleObjectEx( HANDLE32 handle, DWORD timeout,
                                     BOOL32 alertable )
 {
-    return SYNC_DoWait( 1, &handle, FALSE, timeout, alertable, FALSE );
+    return SYNC_DoWait( 1, &handle, FALSE, timeout, alertable );
 }
 
 
@@ -149,7 +143,7 @@ DWORD WINAPI WaitForSingleObjectEx( HANDLE32 handle, DWORD timeout,
 DWORD WINAPI WaitForMultipleObjects( DWORD count, const HANDLE32 *handles,
                                      BOOL32 wait_all, DWORD timeout )
 {
-    return SYNC_DoWait( count, handles, wait_all, timeout, FALSE, FALSE );
+    return SYNC_DoWait( count, handles, wait_all, timeout, FALSE );
 }
 
 
@@ -160,7 +154,7 @@ DWORD WINAPI WaitForMultipleObjectsEx( DWORD count, const HANDLE32 *handles,
                                        BOOL32 wait_all, DWORD timeout,
                                        BOOL32 alertable )
 {
-    return SYNC_DoWait( count, handles, wait_all, timeout, alertable, FALSE );
+    return SYNC_DoWait( count, handles, wait_all, timeout, alertable );
 }
 
 
@@ -192,4 +186,3 @@ DWORD WINAPI WIN16_WaitForMultipleObjects( DWORD count, const HANDLE32 *handles,
 
     return retval;
 }
-

scheduler/thread.c

@@ -100,7 +100,6 @@ THDB *THREAD_IdToTHDB( DWORD id )
 }
 
 
-
 /***********************************************************************
  *           THREAD_AddQueue
  *
@@ -232,6 +231,11 @@ THDB *THREAD_Create( PDB32 *pdb, DWORD stack_size, BOOL32 alloc_stack16,
 
     THREAD_AddQueue( &pdb->thread_list, thdb );
 
+    /* Create the thread event */
+
+    if (!(thdb->event = CreateEvent32A( NULL, FALSE, FALSE, NULL ))) goto error;
+    thdb->event = ConvertToGlobalHandle( thdb->event );
+
     /* Initialize the thread context */
 
     GET_CS(cs);
@@ -250,7 +254,7 @@ THDB *THREAD_Create( PDB32 *pdb, DWORD stack_size, BOOL32 alloc_stack16,
 
 error:
     if (thdb->socket != -1) close( thdb->socket );
-    if (thdb->event) K32OBJ_DecCount( thdb->event );
+    if (thdb->event) CloseHandle( thdb->event );
     if (thdb->teb.stack_sel) SELECTOR_FreeBlock( thdb->teb.stack_sel, 1 );
     if (thdb->teb_sel) SELECTOR_FreeBlock( thdb->teb_sel, 1 );
     if (thdb->stack_base) VirtualFree( thdb->stack_base, 0, MEM_RELEASE );
@@ -283,6 +287,7 @@ static void THREAD_Destroy( K32OBJ *ptr )
         }
     }
 #endif
+    CloseHandle( thdb->event );
     close( thdb->socket );
     SELECTOR_FreeBlock( thdb->teb_sel, 1 );
     if (thdb->teb.stack_sel) SELECTOR_FreeBlock( thdb->teb.stack_sel, 1 );
@@ -683,11 +688,12 @@ BOOL32 WINAPI GetExitCodeThread(
     HANDLE32 hthread, /* [in]  Handle to thread */
     LPDWORD exitcode) /* [out] Address to receive termination status */
 {
-    struct get_thread_info_reply info;
+    struct get_thread_info_reply reply;
     int handle = HANDLE_GetServerHandle( PROCESS_Current(), hthread,
                                          K32OBJ_THREAD, THREAD_QUERY_INFORMATION );
-    if (CLIENT_GetThreadInfo( handle, &info )) return FALSE;
+    CLIENT_SendRequest( REQ_GET_THREAD_INFO, -1, 1, &handle, sizeof(handle) );
-    if (exitcode) *exitcode = info.exit_code;
+    if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return FALSE;
+    if (exitcode) *exitcode = reply.exit_code;
     return TRUE;
 }
 

windows/message.c

@@ -11,6 +11,7 @@
 #include <sys/types.h>
 
 #include "message.h"
+#include "winerror.h"
 #include "win.h"
 #include "gdi.h"
 #include "sysmetrics.h"
@@ -1475,19 +1476,27 @@ DWORD WINAPI MsgWaitForMultipleObjects( DWORD nCount, HANDLE32 *pHandles,
                                         BOOL32 fWaitAll, DWORD dwMilliseconds,
                                         DWORD dwWakeMask )
 {
-    DWORD retv;
+    DWORD i;
+    HANDLE32 handles[MAXIMUM_WAIT_OBJECTS];
 
     TDB *currTask = (TDB *)GlobalLock16( GetCurrentTask() );
     HQUEUE16 hQueue = currTask? currTask->hQueue : 0;
     MESSAGEQUEUE *msgQueue = (MESSAGEQUEUE *)GlobalLock16( hQueue );
-    if (!msgQueue) return 0xFFFFFFFF;
+    if (!msgQueue) return WAIT_FAILED;
+
+    if (nCount > MAXIMUM_WAIT_OBJECTS-1)
+    {
+        SetLastError( ERROR_INVALID_PARAMETER );
+        return WAIT_FAILED;
+    }
 
     msgQueue->changeBits = 0;
     msgQueue->wakeMask = dwWakeMask;
 
-    retv = SYNC_DoWait( nCount, pHandles, fWaitAll, dwMilliseconds, FALSE, TRUE );
+    /* Add the thread event to the handle list */
-
+    for (i = 0; i < nCount; i++) handles[i] = pHandles[i];
-    return retv;
+    handles[nCount] = currTask->thdb->event;
+    return WaitForMultipleObjects( nCount+1, handles, fWaitAll, dwMilliseconds );
 }
 
 

windows/queue.c

@@ -224,52 +224,27 @@ void QUEUE_Signal( HTASK16 hTask )
 {
     PDB32 *pdb;
     THREAD_ENTRY *entry;
-    int wakeup = FALSE;
 
     TDB *pTask = (TDB *)GlobalLock16( hTask );
     if ( !pTask ) return;
 
-    TRACE(msg, "calling SYNC_MsgWakeUp\n");
-
     /* Wake up thread waiting for message */
-    /* NOTE: This should really wake up *the* thread that owns
+    SetEvent( pTask->thdb->event );
-             the queue. Since we dont't have thread-local message
-             queues yet, we wake up all waiting threads ... */
-#if 0
-    /* FIXME: should be replaced by a server event */
-    SYSTEM_LOCK();
-    pdb = pTask->thdb->process;
-    entry = pdb? pdb->thread_list->next : NULL;
 
-    if (entry)
+    PostEvent( hTask );
-        for (;;)
-        {
-            if (entry->thread->wait_struct.wait_msg)
-            {
-                SYNC_MsgWakeUp( entry->thread );
-                wakeup = TRUE;
-            }
-            if (entry == pdb->thread_list) break;
-            entry = entry->next;
-        }
-    SYSTEM_UNLOCK();
-#endif
-
-/*    if ( !wakeup )*/
-        PostEvent( hTask );
 }
 
 /***********************************************************************
  *           QUEUE_Wait
  */
-void QUEUE_Wait( void )
+static void QUEUE_Wait( DWORD wait_mask )
 {
     if ( THREAD_IsWin16( THREAD_Current() ) )
         WaitEvent( 0 );
     else
     {
         TRACE(msg, "current task is 32-bit, calling SYNC_DoWait\n");
-        SYNC_DoWait( 0, NULL, FALSE, INFINITE32, FALSE, TRUE );
+        MsgWaitForMultipleObjects( 0, NULL, FALSE, INFINITE32, wait_mask );
     }
 }
 
@@ -341,7 +316,7 @@ void QUEUE_WaitBits( WORD bits )
 	
 	TRACE(msg,"%04x) wakeMask is %04x, waiting\n", queue->self, queue->wakeMask);
 
-        QUEUE_Wait();
+        QUEUE_Wait( queue->wakeMask );
     }
 }