| From: | Jim Nasby <jim(at)nasby(dot)net> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: Proof of concept: standalone backend with full FE/BE protocol |
| Date: | 2012-09-07 21:47:49 |
| Message-ID: | 504A6B85.8000105@nasby.net |
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| Lists: | pgsql-hackers |
On 9/2/12 7:23 PM, Tom Lane wrote:
> 4. As coded, the backend assumes the incoming pipe is on its FD 0 and the
> outgoing pipe is on its FD 1. This made the command line simple but I'm
> having second thoughts about it: if anything inside the backend tries to
> read stdin or write stdout, unpleasant things will happen. It might be
> better to not reassign the pipe FD numbers. In that case we'd have to
> pass them on the command line, so that the syntax would be something
> like "postgres --child 4,5 -D pgdata ...".
Would it be sufficient to just hard-code the FD's to use? I'm not sure why someone would need to change them, so long as we steer clear of STD(IN|OUT|ERR)...
--
Jim C. Nasby, Database Architect jim(at)nasby(dot)net
512.569.9461 (cell) http://jim.nasby.net
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