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[WIN32K]

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Don't send messages from or to a thread in cleanup. Fixes possible deadlock.

svn path=/trunk/; revision=51469
This commit is contained in:
Timo Kreuzer 2011-04-27 23:49:09 +00:00
parent b39193c83d
commit de078e7357
1 changed files with 24 additions and 17 deletions
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7
reactos/subsystems/win32/win32k/ntuser/msgqueue.c
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@ -818,6 +818,13 @@ co_MsqSendMessage(PUSER_MESSAGE_QUEUE MessageQueue,
ASSERT(ThreadQueue != MessageQueue);
ASSERT(ptirec->pcti); // Send must have a client side to receive it!!!!
/* Don't send from or to a dying thread */
if (pti->TIF_flags & TIF_INCLEANUP || ptirec->TIF_flags & TIF_INCLEANUP)
{
*uResult = -1;
return STATUS_TIMEOUT;
}
Timeout.QuadPart = (LONGLONG) uTimeout * (LONGLONG) -10000;
/* FIXME - increase reference counter of sender's message queue here */