> Bill Studenmund <wrstuden(at)zembu(dot)com> writes:
> > Looking at source on the web, I found:
> > kernel/signal.c:1042
> > * Note the silly behaviour of SIGCHLD: SIG_IGN means that the
> > * signal isn't actually ignored, but does automatic child
> > * reaping, while SIG_DFL is explicitly said by POSIX to force
> > * the signal to be ignored.
> Hmm, interesting. If you'll recall, the start of this thread was a
> proposal to change our backends' handling of SIGCHLD from SIG_IGN to
> SIG_DFL (and get rid of explicit tests for ECHILD). I didn't quite see
> why changing the handler should make a difference, but above we seem to
> have the smoking gun.
> Which kernel, and which version, is the above quote from?
The auto-reaping is standard SysV behavior, while BSD is really ignore.
See the Steven's Unix Programming book for more info.
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
In response to
pgsql-hackers by date
|Next:||From: Bruce Momjian||Date: 2001-07-30 23:42:29|
|Subject: Re: OpenUnix 8 Patchj|
|Previous:||From: Larry Rosenman||Date: 2001-07-30 23:37:24|
|Subject: Re: Autoconf 2.50 is out (was Re: Re: OpenUnix 8 Patch)|