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From: Ingo Schwarze <>
Subject: Re: half-atomically rebuild databases
Date: Sun, 1 Jan 2012 17:29:58 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

Hi Joerg,

Joerg Sonnenberger wrote on Sun, Jan 01, 2012 at 04:55:08PM +0100:
> On Sun, Jan 01, 2012 at 04:45:38PM +0100, Ingo Schwarze wrote:

>> This is not perfect because the mandocdb process might get -KILLed
>> between the two renames, but i don't see a syscall anywhere to
>> atomically rename *two* files.

> Why do you have to?

There are two files to rename(2):  whatis.{db,index}.

> You can create the new file under temporary name in
> the same directory and rename it to the normal file name.

That's exactly what the patch i sent does:
Creating both files under temporary names in the same directory
and rename both to the normal file names when both are ready.

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  reply	other threads:[~2012-01-01 16:29 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-01 15:45 Ingo Schwarze
2012-01-01 15:55 ` Joerg Sonnenberger
2012-01-01 16:29   ` Ingo Schwarze [this message]
2012-01-03 12:39     ` Kristaps Dzonsons
2012-01-04  0:29       ` Ingo Schwarze
2012-01-03 12:45     ` Joerg Sonnenberger
2012-01-03 13:07       ` Kristaps Dzonsons
2012-01-03 13:19         ` Joerg Sonnenberger
2012-01-03 13:45           ` Kristaps Dzonsons
2012-01-03 13:49             ` Joerg Sonnenberger
2012-01-03 23:59               ` Ingo Schwarze
2012-01-04  0:09             ` Ingo Schwarze

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