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Re: U++ core app as DLL: memory manager problems? [message #23181 is a reply to message #23174]

Thu, 24 September 2009 09:51

mirek
Messages: 14291
Registered: November 2005

Ultimate Member

Mindtraveller wrote on Tue, 22 September 2009 18:19

I'd like to use U++ as a platform for developing complex dynamic libraries for current work project.
This dynalic library will be crossplatform (Win/POSIX) and will be attached to a number of applications written in U++ (Win, POSIX) and Delphi (Win).

Provided I export functions with POD parameters, should I expect any run-time casualities/problems with U++ memory manager?

As long as the interface does not expect that client code directly allocates or frees DLLs heap, everything should be OK.

In fact, at least in Win32, most DLLs I have seen (including good old OLE interfaces) are designed in a way that specifically avoid this problem.

Example: this inteface would make things go mad:

Client code:

DllX *x = DllCreateX();
....
delete x;

and this is correct:

DllX *x = DllCreateX();
....
DllDeleteX(x);

DllX *x = DllCreateX();
....
x->Delete();

Mirek

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		U++ core app as DLL: memory manager problems? By: Mindtraveller on Wed, 23 September 2009 00:19
		Re: U++ core app as DLL: memory manager problems? By: mirek on Thu, 24 September 2009 09:51

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