On 23 June 2010 14:13, Daniël Mantione <[email protected]> wrote: > > > Op Wed, 23 Jun 2010, schreef Henry Vermaak: > >> A futex syscall doesn't know anything about threads, it's for locking. >> Perhaps I'm misunderstanding you? > > I have should have written "futex" instead of "threads". With a Futex, you > only call the Futex syscall, if the Futex is locked. You still have to test > wether the Futex is locked in userspace, and you that with the interlocked > assembler instructions. This assembler implementation must be implemented > for each architecture (though abstractions can probably be used, we already > have many interlockedxxxxx procedures).
Ah, I see. I've seen the interlocked procedures in the rtl, we seem to have them for quite a couple arches (at least all the ones that support linux). Henry _______________________________________________ fpc-devel maillist - [email protected] http://lists.freepascal.org/mailman/listinfo/fpc-devel
