2009/11/5 Nicolas Pitre <nico@xxxxxxxxxxx>:
> Careful. At the beginning of the function you'll find:
>
> if (delta_search_threads <= 1) {
> find_deltas(list, &list_size, window, depth, processed);
> return;
> }
>
> That is, if we have thread support compiled in but we're told to use
> only one thread, then the bulk of the work splitting is bypassed
> entirely. Inside find_deltas() there will still be pthread_mutex_lock()
> and pthread_mutex_unlock() calls even if no threads are spawned.
Ah, I wasn't aware of that. Actually why would find_deltas lock if no
threads are used? Maybe, for non-threaded call to find_deltas, locking
could be factored out?
--
Andrzej
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