Philippe M. Chiasson wrote:
> Looking thru the todo/api.txt file, I noticed a few items that
> are stuck in read-only mode, because thread locking is needed if
> changing them.
>
> I already have something in the works, but my question is that under
> a non-threaded model, like prefork, all that is uesless, right? So,
> what's the nice way for me to go on and write thread mutex stuff
> that will only happen when running under threads ?
>
> My knoledge of the configure/build system is quite limited....
If you are running under threaded mpm, you can safely assume that Perl
is threaded (won't pass the build otherwise). So no conditioning
required fromt the Perl side.
Since the preforked mpm can actually be compiled with threaded apr, I think that's
the only ifdef() required is:
#if APR_HAS_THREADS
/* code here */
#endif
If the functionality is very different between forked and non-forked
implementation, to avoid code cluttering with ifdefs, we probably should
use two versions of the functions like foo_thr() and foo_nthr() and
alias to foo() at compile time.
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