From: unobe@cpan.org
To: 9fans@9fans.net
Subject: Re: [9fans] non-interruptible temporary: why do we care?
Date: Wed, 16 Jun 2021 14:28:30 -0700 [thread overview]
Message-ID: <AA313DC5AD69295E67E4725495684EFA@smtp.pobox.com> (raw)
In-Reply-To: <YMporzyb4+oBmyGG@alice>
Quoth Anthony Martin <ality@pbrane.org>:
> There is nothing new under the sun.
>
> Date: Mon, 4 Apr 2005 14:10:20 -0400
> From: Russ Cox <russcox@gmail.com>
> To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
> Subject: Re: [9fans] 'non-interruptable temporary' warning
> Message-ID: <ee9e417a0504041110596cc301@mail.gmail.com>
>
> the compiler is warning you against its own laziness.
> in this case it is using a global temporary to hold the
> intermediate value of (lba = f->lba) while converting
> it to uchar. if you had another thread running through
> this code it would use the same temporary.
>
> [...]
>
> Cheers,
> Anthony
Thanks for the quotation, Anthony. I had used
9fans.topicbox.com/groups/9fans to search 'non-interruptible', not
'non-interruptable': I should have searched the actual error.
------------------------------------------
9fans: 9fans
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next prev parent reply other threads:[~2021-06-16 21:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-04 3:32 ori
2021-06-16 20:23 ` unobe
2021-06-16 20:28 ` ori
2021-06-17 19:32 ` Charles Forsyth
2021-06-16 21:10 ` Anthony Martin
2021-06-16 21:28 ` unobe [this message]
2021-06-20 14:53 ` [9fans] help Spock via 9fans
2021-06-20 15:32 ` Marshall Conover
2021-06-20 18:46 ` U Cirello
2021-06-20 21:14 ` Ethan Gardener
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