Date: Tue, 31 Aug 2010 20:16:31 +0200 From: Jilles Tjoelker <jilles@stack.nl> To: David Xu <davidxu@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r212047 - head/sys/kern Message-ID: <20100831181631.GA31653@stack.nl> In-Reply-To: <201008310715.o7V7FoSI021421@svn.freebsd.org> References: <201008310715.o7V7FoSI021421@svn.freebsd.org>
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On Tue, Aug 31, 2010 at 07:15:50AM +0000, David Xu wrote: > Author: davidxu > Date: Tue Aug 31 07:15:50 2010 > New Revision: 212047 > URL: http://svn.freebsd.org/changeset/base/212047 > Log: > If a process is being debugged, skips job control caused by SIGSTOP/SIGCONT > signals, because it is managed by debugger, however a normal signal sent to > a interruptibly sleeping thread wakes up the thread so it will handle the > signal when the process leaves the stopped state. > PR: 150138 > MFC after: 1 week > Modified: > head/sys/kern/kern_sig.c > Modified: head/sys/kern/kern_sig.c > ============================================================================== > --- head/sys/kern/kern_sig.c Tue Aug 31 06:22:03 2010 (r212046) > +++ head/sys/kern/kern_sig.c Tue Aug 31 07:15:50 2010 (r212047) > if (sig == SIGKILL) { > + if (p->p_flag & P_TRACED) > + goto out; > /* > * SIGKILL sets process running. > * It will die elsewhere. Hmm, shouldn't SIGKILL kill right away regardless of debuggers? -- Jilles Tjoelker
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