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List:       suse-programming-e
Subject:    Re: [suse-programming-e]  having a daemon monitor its own shared libraries?
From:       Per Jessen <per () computer ! org>
Date:       2006-08-09 16:01:40
Message-ID: ebd0t4$srr$1 () saturn ! local ! net
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Jerry Feldman wrote:

>> Also, by default inotify will follow symlinks by default, which is
>> quite handy.  The actual library in this case is
>> "/usr/lib/libclamav.so.1.0.17", but of course it has a few symlinks,
>> so I just monitor "/usr/lib/libclamav.so" - I would still prefer not
>> having to hardcode "/usr/lib", but I can live with it :-)
>
> What happens in the case where you change the location of a symbol in
> the shared library.

I'm probably not quite understanding your question, but any change in
the library leads to a new library being copied to the target system. 
When my daemon detects a change to the library file, it'll close up
shop, do some minimal clean-up and restart using exec(argv[0],argv).


/Per Jessen, Zürich


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