Multithreaded SLI Application May Deadlock within WINSLI32.DLL[sna]
ID: Q214521    CREATED: 13-JAN-1999   MODIFIED: 13-JAN-1999
WINDOWS:3.0,3.0SP1,3.0SP2,3.0SP3,4.0,4.0SP1
WINDOWS

======================================================================
---------------------------------------------------------------------------
The information in this article applies to:

 - Microsoft SNA Server version 3.0, 3.0 SP1, 3.0 SP2, 3.0 SP3
 - Microsoft SNA Server version 4.0
 - Microsoft SNA Server version 4.0 Service Pack 1
---------------------------------------------------------------------------

SYMPTOMS
========

While handling multiple sessions, a Win32 SLI application may hang unexpectedly
while making various SLI calls from different threads of the same process.

CAUSE
=====

A small window exists within the WINSLI32.DLL that can result in an event
deadlock while processing SLI requests from different threads.