Hi,
On Mon, Dec 8, 2008 at 10:36 PM, Tom Lane <[EMAIL PROTECTED]> wrote:
> Martijn van Oosterhout <[EMAIL PROTECTED]> writes:
>> On Mon, Dec 08, 2008 at 01:12:39PM +0200, Heikki Linnakangas wrote:
>>> BTW, on what platforms signal doesn't interrupt sleep?
>
>> In theory, none.
>
> In practice, the
Martijn van Oosterhout <[EMAIL PROTECTED]> writes:
> On Mon, Dec 08, 2008 at 01:12:39PM +0200, Heikki Linnakangas wrote:
>> BTW, on what platforms signal doesn't interrupt sleep?
> In theory, none.
In practice, they exist. In particular I can demonstrate the issue
on HPUX 10.20. I also dispute
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
In walsender, in the main loop that waits for backend requests to send
WAL, there's this comment:
+ /*
+* Nap for the configured time or until a request arrives.
+*
+* On some platforms, signals won't interrupt the sleep. To
ensure
