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- Cleaned up the message queue when a thread exit (but not the process). 

- Modified QUEUE_DeleteMsgQueue to exit gracefully (without crashing Wine) if
  queue link list is corrupted.
This commit is contained in:
Stephane Lussier 1999-02-09 14:07:07 +00:00 committed by Alexandre Julliard
parent 4d713f97e0
commit 91bb1f974c
4 changed files with 36 additions and 12 deletions
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1
include/user.h
View File

@ -31,6 +31,7 @@ extern WORD USER_HeapSel;
void WINAPI USER_SignalProc(HANDLE16, UINT16, UINT16, HINSTANCE16, HQUEUE16);
void USER_ExitWindows(void);
void USER_QueueCleanup( HQUEUE16 hQueue );
HGLOBAL16 USER_CallDefaultRsrcHandler( HGLOBAL16 hMemObj, HMODULE16 hModule,
HRSRC16 hRsrc );

4
scheduler/thread.c
View File

@ -335,6 +335,10 @@ void WINAPI ExitThread(
SYSTEM_LOCK();
thdb->exit_code = code;
/* cleanup the message queue, if there's one */
if (thdb->teb.queue)
USER_QueueCleanup( thdb->teb.queue );
/* FIXME: should free the stack somehow */
#if 0
/* FIXME: We cannot do this; once the current thread is destroyed,

13
windows/queue.c
View File

@ -512,9 +512,18 @@ BOOL32 QUEUE_DeleteMsgQueue( HQUEUE16 hQueue )
while (*pPrev && (*pPrev != hQueue))
{
MESSAGEQUEUE *msgQ = (MESSAGEQUEUE*)GlobalLock16(*pPrev);
/* sanity check */
if ( !msgQ || (msgQ->magic != QUEUE_MAGIC) )
{
/* HQUEUE link list is corrupted, try to exit gracefully */
WARN( msg, "HQUEUE link list corrupted!\n");
pPrev = 0;
break;
}
pPrev = &msgQ->next;
}
if (*pPrev) *pPrev = msgQueue->next;
if (pPrev && *pPrev) *pPrev = msgQueue->next;
msgQueue->self = 0;
SYSTEM_UNLOCK();
@ -579,7 +588,7 @@ static void QUEUE_Wait( DWORD wait_mask )
/***********************************************************************
* QUEUE_SetWakeBit `
* QUEUE_SetWakeBit
*
* See "Windows Internals", p.449
*/

30
windows/user.c
View File

@ -161,22 +161,14 @@ static void USER_ModuleUnload( HMODULE16 hModule )
}
/**********************************************************************
* USER_AppExit
* USER_QueueCleanup
*/
static void USER_AppExit( HTASK16 hTask, HINSTANCE16 hInstance, HQUEUE16 hQueue )
void USER_QueueCleanup( HQUEUE16 hQueue )
{
if ( hQueue )
{
/* FIXME: empty clipboard if needed, maybe destroy menus (Windows
* only complains about them but does nothing);
*/
WND* desktop = WIN_GetDesktop();
/* Patch desktop window */
if( desktop->hmemTaskQ == hQueue )
desktop->hmemTaskQ = GetTaskQueue(TASK_GetNextTask(hTask));
/* Patch resident popup menu window */
MENU_PatchResidentPopup( hQueue, NULL );
@ -193,6 +185,24 @@ static void USER_AppExit( HTASK16 hTask, HINSTANCE16 hInstance, HQUEUE16 hQueue
/* Free the message queue */
QUEUE_DeleteMsgQueue( hQueue );
}
}
/**********************************************************************
* USER_AppExit
*/
static void USER_AppExit( HTASK16 hTask, HINSTANCE16 hInstance, HQUEUE16 hQueue )
{
/* FIXME: empty clipboard if needed, maybe destroy menus (Windows
* only complains about them but does nothing);
*/
WND* desktop = WIN_GetDesktop();
/* Patch desktop window */
if( desktop->hmemTaskQ == hQueue )
desktop->hmemTaskQ = GetTaskQueue(TASK_GetNextTask(hTask));
USER_QueueCleanup(hQueue);
/* ModuleUnload() in "Internals" */