| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>, HISADAMasaki <hisada(dot)masaki(at)lab(dot)ntt(dot)co(dot)jp>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Point in Time Recovery |
| Date: | 2004-07-16 03:49:04 |
| Message-ID: | 15402.1089949744@sss.pgh.pa.us |
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| Lists: | pgsql-admin pgsql-hackers pgsql-patches |
Simon Riggs <simon(at)2ndquadrant(dot)com> writes:
> On Fri, 2004-07-16 at 00:01, Alvaro Herrera wrote:
>> My manpage for signal(2) says that you shouldn't assign SIG_IGN to
>> SIGCHLD, according to POSIX.
> So - I should be setting this to SIG_DFL and thats good for everyone?
Yeah, we learned the same lesson in the backend not too many releases
back. SIG_IGN'ing SIGCHLD is bad voodoo; it'll work on some platforms
but not others.
You could do worse than to look at the existing handling of signals in
the postmaster and its children; that code has been beat on pretty
heavily ...
regards, tom lane
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