Date: Tue, 04 Jan 2005 12:58:19 +0200 From: Danny Braniss <danny@cs.huji.ac.il> To: Scott Long <scottl@freebsd.org> Cc: current@freebsd.org Subject: Re: SIGSTOP/SIGCONT problem ? (scheduler or make(1) ?) Message-ID: <20050104105822.311EB43D48@mx1.FreeBSD.org> In-Reply-To: Message from Scott Long <scottl@freebsd.org> of "Mon, 03 Jan 2005 13:37:18 MST." <41D9ACFE.8010400@freebsd.org>
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> Kris Kennaway wrote: > > On Mon, Jan 03, 2005 at 08:04:24PM +0100, Poul-Henning Kamp wrote: > > > >>In message <20050103183736.GA93409@xor.obsecurity.org>, Kris Kennaway writes: > >> > >>>--cWoXeonUoKmBZSoM > >>>Content-Type: text/plain; charset=us-ascii > >>>Content-Disposition: inline > >>>Content-Transfer-Encoding: quoted-printable > >>> > >>>On Mon, Jan 03, 2005 at 02:34:41PM +0100, Poul-Henning Kamp wrote: > >>> > >>>>=20 > >>>>I ran a "make -j 48" on my testbox and suspended the task after > >>>>a while so I could start systat(1) > >>>>=20 > >>>>=3D=3D=3D> usr.sbin/sysinstall (obj,build-tools) > >>>>=3D=3D=3D> gnu/usr.bin/cc/cc_tools (obj,depend,all) > >>>>*** Stopped -- signal 18 > >>>>Child (25164) not in table? > >>> > >>>I've seen this too. > >> > >>With make or with other apps ? > > > > > > With make, I think. > > > > Kris > > I have this odd feeling that make needs an explicit SIGSTOP and/or > SIGTSTP handler. There is a conditional in the source for USE_PGRP that > might be worth looking at since it contains just such a handler. > > Scott i've noticed something similar, but different :-) su ... suspend sometimes the shell does not get the SIGCONT, doing a 'kill -CONT shellpid' fixes the problem, so, IMHO, it's not just make. danny
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