[fpc-pascal] Re: WSAGetLastError returns 0 when it shouldn't but I cannot see why
L at z505.com
Thu Feb 28 04:51:49 CET 2008
> Luca wrote:
>> I don't think that synapse is to blame[*]: my test
>> program is also using the sockets unit directly, and stores SocketError
>> (which just calls WSAGetLastError) in a variable.
> Found the problem using my brute force writeln('') skills. It is an
> issue with freepascal's stack or something to do with buggy threads
> methinks. As it is when you call lasterror within another procedure
> with local variables.. they are corrupted or something.
Aha.. I changed the by Value parameter to a CONST parameter in the error
procedure (Perror).. And this solves the issue..
So something to do with calling by Value within a thread versus a const
I will attach the problem in the bug report previously opened if I can
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