From: | Christopher Browne <cbbrowne(at)gmail(dot)com> |
---|---|
To: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
Cc: | Alex Hunsaker <badalex(at)gmail(dot)com>, Robert Creager <Robert(dot)Creager(at)oracle(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [Pgbuildfarm-members] CREATE FUNCTION hang on test machine polecat on HEAD |
Date: | 2011-06-07 17:50:18 |
Message-ID: | BANLkTimBy=wi+=opfQOtSYFFe3nrU121Aw@mail.gmail.com |
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Lists: | buildfarm-members pgsql-hackers |
On Tue, Jun 7, 2011 at 5:40 PM, Andrew Dunstan <andrew(at)dunslane(dot)net> wrote:
>
>
> On 06/07/2011 01:18 PM, Alex Hunsaker wrote:
>>
>> I don't suppose /dev/urandom blocks on OS X? Granted, I may have
>> missed something in translation with the macro fest that is perl...
>
>
> I wondered if we were possibly exhausting some entropy pool. It seems like
> this would be just such a bad bug that it would be amazing if we were the
> first to trip up on it. But I guess you never know.
/dev/urandom is the one that's supposed to be "unblocking" (that's
what the "u" is for).
Supposedly, /dev/random and /dev/urandom behave identically on OS-X,
using Yarrow for RNG. It shouldn't be blocking.
http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man4/urandom.4.html
--
When confronted by a difficult problem, solve it by reducing it to the
question, "How would the Lone Ranger handle this?"
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