Date: Wed, 2 Mar 2005 09:15:28 -0500 From: John Baldwin <jhb@FreeBSD.org> To: David Xu <davidxu@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern kern_sig.c Message-ID: <200503020915.28512.jhb@FreeBSD.org> In-Reply-To: <200503021343.j22DhpQ3075008@repoman.freebsd.org> References: <200503021343.j22DhpQ3075008@repoman.freebsd.org>
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On Wednesday 02 March 2005 08:43 am, David Xu wrote: > davidxu 2005-03-02 13:43:51 UTC > > FreeBSD src repository > > Modified files: > sys/kern kern_sig.c > Log: > In kern_sigtimedwait, remove waitset bits for td_sigmask before > sleeping, so in do_tdsignal, we no longer need to test td_waitset. > now td_waitset is only used to give a thread higher priority when > delivering signal to multithreads process. > This also fixes a bug: > when a thread in sigwait states was suspended and later resumed > by SIGCONT, it can no longer receive signals belong to waitset. Is this related at all to Peter Holm's panic where sigwait() + swapping invokes a panic? -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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