Re: [PATCH] [2/2] posix message queues

[Ulrich Drepper]

Peter WÃchtler wrote:

> +			if (q->notify.sigev_notify == SIGEV_THREAD) {
> +				
> +				err = -ENOSYS;
> +				pr_info("mq_*send: SIGEV_THREAD not supported\n");
> +			}

In all the SIGEV_THREAD cases I suggest that you expect to be passed a
futex address.  Upon completion you increment the value and call
sys_futex with FUTEX_WAKE.

This gives plenty of freedom at userlevel to implement the actual work.

-- 
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Ulrich Drepper \    ,-----------------'   \ Mountain View, CA 94041 USA
Red Hat         `--' drepper at redhat.com `---------------------------

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