Messages in this thread |  | | Subject | Re: [PATCH] Futexes IV (Fast Lightweight Userspace Semaphores) | From | Ulrich Drepper <> | Date | 18 Mar 2002 20:05:22 -0800 |
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On Mon, 2002-03-18 at 19:28, Rusty Russell wrote:
> What do you WANT in a kernel primitive then? Given that we now have mutexes, > what else do we need to make pthreads relatively painless?
I think wrt to the mutexes only wake-all is missing. I don't think that semaphore semantic is needed in the kernel.
> Look, here is an example implementation. Please suggest: > 1) Where this is flawed, > 2) Where this is suboptimal, > 3) What kernel primitive would help to resolve these?
I'll look at this a bit later.
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