Date: Mon, 10 Mar 2003 21:45:24 -0800 From: Kris Kennaway <kris@obsecurity.org> To: David Xu <davidxu@viatech.com.cn> Cc: Alfred Perlstein <bright@mu.org>, src-committers@FreeBSD.ORG, cvs-src@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sys/kern kern_thread.c subr_trap.c Message-ID: <20030311054524.GA78209@rot13.obsecurity.org> In-Reply-To: <005101c2e78f$b85d0a40$f001a8c0@davidw2k> References: <200303110259.h2B2xor5078625@repoman.freebsd.org> <20030311051206.GZ4145@elvis.mu.org> <005101c2e78f$b85d0a40$f001a8c0@davidw2k>
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--2fHTh5uZTiUOsy+g Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Mar 11, 2003 at 01:33:15PM +0800, David Xu wrote: > > > Fix signal delivering bug for threaded process. > >=20 > > Details, while not manditory are encouraged. See a typical > > commit by Dr. Mckusick. > >=20 > Orignal code would suspend an already suspended thread, > if user presses ^Z while a threaded program is running. Also > there is a race between job control and thread_exit(), the=20 > new code tests job control requesting before thread exits, > in wait() syscall, be sure to check process is fully stopped > before parent proc thinks child was stopped, this avoids > a later SIGCHILD and returns STOPPED status twice > for a threaded child proc. Could you force-commit this expanded explanation as a followup? Kris --2fHTh5uZTiUOsy+g Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+bXf0Wry0BWjoQKURAqMAAJ47kC1rDmVFVXVqyETuiUj/hSfF2gCg870e A3A4zVEyu4oYiMAtrdBMXBw= =orAR -----END PGP SIGNATURE----- --2fHTh5uZTiUOsy+g-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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