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Date:      Wed, 6 Mar 2002 10:36:08 +0100
From:      "Peter J. Blok" <Peter.Blok@inter.NL.net>
To:        Tony Arcieri <tarcieri@atmos.colostate.edu>, freebsd-hackers@freebsd.org
Subject:   Re: aio_read() oddness
Message-ID:  <20020306093611.03B1E37B400@hub.freebsd.org>
In-Reply-To: <20020305225908.U48034-100000@rylos.atmos.colostate.edu>
References:  <20020305225908.U48034-100000@rylos.atmos.colostate.edu>

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On Wednesday 06 March 2002 07:03, Tony Arcieri wrote:
> I'm not currently subscribed to this list, so please cc replies to me.
>
> I was playing around with aio_read() and ran into some seemingly aberrant
> behavior, although not with aio_read() itself, but the resulting signal.
> Within struct aiocb I was setting:
>
> aio_sigevent.sigev_notify = SIGEV_SIGNAL;
> aio_sigevent.sigev_value.sigval_int = 42;
> iocb.aio_sigevent.sigev_signo = SIGUSR1;
>
> Then in the sigaction structure:
> sa_flags = SA_SIGINFO;
>
> Upon completion of the requested read, a signal is sent.  Within the
> siginfo structure, si_signo is set properly.
>
> However, si_value.sigval_int is zero.  Is this just not implemented
> completely yet or am I missing something?
I have a set of aio test tools and it indeed seems it is not implemenented. I 
am getting a zero value too.
>
> Tony Arcieri
>
>
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