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).
Daniël
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