On sexta-feira, 26 de outubro de 2012 22.44.23, Thiago Macieira wrote: > On sexta-feira, 26 de outubro de 2012 21.06.35, Frank Reininghaus wrote: > > Yes, I thought the same, but then I wasn't entirely sure if all these > > functions really are thread-safe. Some of them have const static > > variables, > > which might be initialised the first time the function is called AFAIK. I > > don't know if that's guaranteed to work if the functions can be called > > from > > multiple threads. But you can probably answer that question > > Caching some global information which could be recreated on every call is > stateless and thread-safe.
Actually, this is wrong. Caching is a good thing, but it could cause a thread-
safety issue if not implemented correctly.
The presence of statics probably requires a good investigation to check if
it's thread-safe. And removing the "stateless" requirement is still a good
idea.
>
> If the static variable cannot be recreated on every call, it's stateful.
> That contradicts the documentation.
--
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
Software Architect - Intel Open Source Technology Center
PGP/GPG: 0x6EF45358; fingerprint:
E067 918B B660 DBD1 105C 966C 33F5 F005 6EF4 5358
signature.asc
Description: This is a digitally signed message part.
