Re: Problem with dlsym

Subject: Re: Problem with dlsym
From: "Jordan K. Hubbard" <email@hidden>
Date: Thu, 12 May 2005 14:07:27 -0700

On May 12, 2005, at 1:58 PM, J. Davison de St. Germain wrote:

We have been using the 'dlcompat' library on OSX for a while and it

worked great. However, with Tiger 10.4, it appears that the dl

functions (eg: dlsym) are now built in. Unfortunately, when we try to

find a non-existent symbol in one of our large shared libraries, it

now takes forever (instead of returning null fairly

quickly/immediately). After about 20 minutes of 'working' on the

dlsym call, our program will return and say that it couldn't find the

symbol. When we used dlcompat before, we didn't have this problem.

We have read the man page and tried all the different options that are

presented, but nothing seems to help.

That sounds like fairly pathological behavior and worthy of a software update if we can reproduce it. Have you filed a bug report?

You're correct in your findings that the old dlcompat library and Tiger no longer get along, so the best way forward is to isolate/analyze the bug as best you can, file a bug report and see if anyone at Apple can help you with an interim work-around. I've also forwarded your email to the dyld developers...

Jordan K. Hubbard

Engineering Manager, BSD technology group

Apple Computer

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	>Problem with dlsym (From: "J. Davison de St. Germain" <email@hidden>)

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