From: Anthony Martin <ality@pbrane.org>
To: 9fans <9fans@9fans.net>
Subject: Re: [9fans] non-interruptible temporary: why do we care?
Date: Wed, 16 Jun 2021 14:10:07 -0700 [thread overview]
Message-ID: <YMporzyb4+oBmyGG@alice> (raw)
In-Reply-To: <B874CA6182B954F7D78E1ABD0B19A67A@smtp.pobox.com>
unobe@cpan.org once said:
> Quoth ori@eigenstate.org:
> > Why do we warn about non-interruptible
> > temporaries? What issues am I missing?
>
> Silence to this question means no one knows, right?
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
------------------------------------------
9fans: 9fans
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next prev parent reply other threads:[~2021-06-16 21:10 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 [this message]
2021-06-16 21:28 ` unobe
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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