[fpc-devel] LoadLibrary result

Leonardo M. Ramé martinrame at yahoo.com
Thu May 30 17:46:20 CEST 2013


> From: Jonas Maebe <jonas.maebe at elis.ugent.be>
>To: Leonardo M. Ramé <martinrame at yahoo.com>; FPC developers' list <fpc-devel at lists.freepascal.org> 
>Sent: Thursday, May 30, 2013 12:40 PM
>Subject: Re: [fpc-devel] LoadLibrary result
>On 30 May 2013, at 17:27, Leonardo M. Ramé wrote:
>> I'm using a list of objects that each needs to load a shared Library (written in C). As some operations inside the library are slow, I've created a TThread to do multiple operations simultaneously.
>> As the library is not thread safe, I thought using "loadLibrary" will create a different "instance" after each load, but, as the TLibHandle resulting of that function is the same, I think the library is only loaded once.
>> Is there a way to have different handles for each loadlibrary?.
>No, you can load a library only once per process. Loading it more than once is not supported by any dynamic linker I know of, because it would result in symbol clashes.

Thanks Jonas, good to know that.

I'll have to re-architect the library to avoid using globals...

Leonardo M. Ramé

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