[xmonad] Re: xmonad-0.9.1 leaves zombie processes around
kili at outback.escape.de
Sun Apr 11 11:36:05 EDT 2010
On Sun, Apr 11, 2010 at 01:36:46AM +0200, Tomá? Janou?ek wrote:
> > The below part from Core.hs is completely wrong, you can't just
> > ignore SIGCHLD and hope for some deity cleaning up the mess. And,
> > BTW the default action of SIGCHLD is SIG_IGN, so both calls of
> > `installHandler sigCHLD ...' are equivalent (and thus bogus).
> On a system conforming to POSIX.1-2001, you just can.
Indeed, someone else just told me that I was wrong...
> The easy solution would
> be to call sigaction with the SA_NOCLDWAIT flag, but System.Posix.Signals
> lacks the interface to do this :-(.
> Maybe we should just add that silly wait-loop sigchld handler.
Better wait. Somehting else must be wrong then, and it may as well
be in GHCs libraries. I'll try to setup some test cases for this.
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