Re: Synchronous replication: sleeping

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   <kleptog@svana.org>   http://svana.org/kleptog/
> Please line up in a tree and maintain the heap invariant while
> boarding. Thank you for flying nlogn airlines.