[Lazarus] Threads and Libraries (dll and so)
md at delfire.net
Fri Jan 17 15:06:54 CET 2014
On Fri, Jan 17, 2014 at 10:23 AM, Michael Schnell <mschnell at lumino.de> wrote:
> On 01/17/2014 01:25 PM, Marcos Douglas wrote:
>> is better not use global variables in the DLL.
> Of course I agree.
> A reason for using global variables in a DLL might be to access that value
> as well in the DLL as in the main program.
> Is this even possible ?
Yes, see the Sven Barth answer.
> (To allow for this loading the DLL would need to modify the variable's
> address anywhere within the DLL code. Up til now I only know about the the
> "jump table interface" that allows the main code to call DLL functions. )
But why do you need a global var in the DLL? IMHO (and for many
programmers around the world), global var is not good, even in the
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