Re: [Firebird-devel] VS2003 support in HEAD

[Doychin B. <do...@ds...>]

Is it really important to keep support for 10-15 years old operating 
system for latest firebird versions?

Why not just keep win9x supported only for 2.1.x and remove that support 
for 2.5 or 3.0?

Doychin

Alex Peshkov wrote:
> On Thursday 05 March 2009 02:46, Nikolay Samofatov wrote:
>> Well Firebird will have to support synchronous IO in one way or another,
>> because not every Unix flavor has async IO.
> 
> Can you provide an example? All known to me unix platforms (I talk about more 
> or less modern, not 10-15 years old) support aio or positioned read/write. 
> See:
> http://docs.sun.com/app/docs/doc/816-5167/pread-2?a=view
> http://developer.apple.com/documentation/Darwin/Reference/ManPages/man2/aio_read.2.html
> http://docs.hp.com/en/B2355-60127/aio_read.2.html
> Currenly support for sync io (using mutex to lock file descriptor) is dropped 
> from posix.cpp.
> 
>> In the meantime, HEAD winnt.cpp is quite clean, and is using overlapped
>> structure to communicate file position to the OS.
>> It is not directly supported on 9X, but it is easy to create wrappers
>> around synchronous API to simulate interface used by Firebird without
>> changing winnt.cpp much.
> 
> May be it's better to have win9x.cpp and not poison winnt.cpp with simulated 
> things?
> 
>> Sean, I think you worry too much. 9X is not too bad :-)
> 
> But also not too good :)
> 
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