Re: [v9.3] Extra Daemons (Re: elegant and effective way for running jobs inside a database)

Heikki Linnakangas escribió:
> On 21.11.2012 23:29, Alvaro Herrera wrote:
> >Alvaro Herrera escribió:
> >>FWIW I have pushed this to github; see
> >>https://github.com/alvherre/postgres/compare/bgworker
> >>
> >>It's also attached.
> >>
> >>The UnBlockSig stuff is the main stumbling block as I see it because it
> >>precludes compilation on Windows.  Maybe we should fix that by providing
> >>another function that the module is to call after initialization is done
> >>and before it gets ready to work ... but having a function that only
> >>calls PG_SETMASK() feels somewhat useless to me; and I don't see what
> >>else we could do in there.
> >
> >I cleaned up some more stuff and here's another version.  In particular
> >I added wrapper functions to block and unblock signals, so that this
> >doesn't need exported UnBlockSig.
> 
> Could you just unblock the signals before calling into the
> background worker's main() function?

Yes, but what if a daemon wants to block/unblock signals later?

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
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