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SUMMARYOLE operations involving calls to an OLE object should not be done in the DllMain function of a DLL because a deadlock can occur. MORE INFORMATION
This is because these OLE operations can cause the creation of a background
OLE thread (for RPC), and that background OLE thread needs to call into
each DllMain in the process. However this thread cannot call the DllMain of
the DLL that is doing the OLE operation because DllMain is not re-entrant.
Consequently a deadlock occurs. This deadlock always occurs with Windows NT
and under certain conditions with Windows 95. Additional query words: COM hang respond
Keywords : kbole kbprg kbNTOS351 kbNTOS400 kbWinOS2000 kbWinOS95 kbGrpCom kbDSupport |
Last Reviewed: October 22, 1999 © 2000 Microsoft Corporation. All rights reserved. Terms of Use. |