Re: LoadLibrary call hangs ..sometime

From:
"Igor Tandetnik" <itandetnik@mvps.org>
Newsgroups:
microsoft.public.vc.language
Date:
Sun, 27 May 2007 09:57:56 -0400
Message-ID:
<#ivy8bGoHHA.1244@TK2MSFTNGP04.phx.gbl>
"Guru" <Guru@discussions.microsoft.com> wrote in message
news:21ADF97F-C70F-4A19-A791-9D15FB3512D0@microsoft.com

i have socket (server) applicaiton which after accept() call forks
itself for every incoming connection and each child process loads the
dll's using loadlibrary function while initializing.

These dlls are actually calling functions from Third part dll's.

Now sometimes during high traffic enviornment i.e. concurrent socket
connections ..some child processes could not load one of my dll and
it just hangs..I have confirm by adding logs before and after the
line LoadLibrary


What does your DLL do in DllMain? There are few things that are safe to
do in DllMain, and doing unsafe things often results in a deadlock. If
you perform some complex initialization in DllMain, consider creating a
separate initialization function and requiring your client to call it
right after loading your DLL.
--
With best wishes,
    Igor Tandetnik

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