Re: Synchronous replication: sleeping
От
Martijn van Oosterhout
Тема
Re: Synchronous replication: sleeping
Дата
Msg-id
20081208114207.GE31566@svana.org
Ответ на
Synchronous replication: sleeping (Heikki Linnakangas)
Список
Дерево обсуждения
Synchronous replication: sleeping Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Re: Synchronous replication: sleeping Martijn van Oosterhout <kleptog@svana.org>
Re: Synchronous replication: sleeping Tom Lane <tgl@sss.pgh.pa.us>
Re: Synchronous replication: sleeping "Fujii Masao" <masao.fujii@gmail.com>
On Mon, Dec 08, 2008 at 01:12:39PM +0200, Heikki Linnakangas wrote: > If a signal is received just before pq_wait call, after checking > replication_requested, pq_wait won't be interrupted and will wait up to > a second before responding to it. > > BTW, on what platforms signal doesn't interrupt sleep? In theory, none. SIGALRM is not set as SA_RESTART so any system call should be interrupted. This applies to POSIX systems though, not sure about Windows. Have a nice day, -- Martijn van Oosterhout http://svana.org/kleptog/ > Please line up in a tree and maintain the heap invariant while > boarding. Thank you for flying nlogn airlines.
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