Date: Thu, 25 Oct 2007 10:41:06 +0800 From: David Xu <davidxu@FreeBSD.org> To: Alfred Perlstein <alfred@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, Julian Elischer <julian@FreeBSD.org>, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern kern_fork.c Message-ID: <47200242.4050403@freebsd.org> In-Reply-To: <20071025023418.GR33488@elvis.mu.org> References: <200710231754.l9NHsGLH090312@repoman.freebsd.org> <471FF2BE.9000204@freebsd.org> <20071025022607.GQ33488@elvis.mu.org> <47200064.9050403@freebsd.org> <20071025023418.GR33488@elvis.mu.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Alfred Perlstein wrote: >>thread_suspend_check() with SINGLE_BOUNDARY is used is only called >>in userret() where I don't think any code is still using the p_fd. > > > This is not an acceptable solution as it will deadlock unless all > threads exit the kernel. > Where is deadlock ? thread_single(SINGLE_BOUNDARY) does not suspend sleeping thread, it will interrupt it. > filedescs can be refcounted per thread I think. >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?47200242.4050403>