Date: Tue, 26 Apr 2005 11:43:56 -0400 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: <200504261143.58152.jhb@FreeBSD.org> In-Reply-To: <200504190811.j3J8BSdx072259@repoman.freebsd.org> References: <200504190811.j3J8BSdx072259@repoman.freebsd.org>
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On Tuesday 19 April 2005 04:11 am, David Xu wrote: > davidxu 2005-04-19 08:11:28 UTC > > FreeBSD src repository > > Modified files: > sys/kern kern_sig.c > Log: > Oops, forgot to update this file. > Fix a race condition between kern_wait() and thread_stopped(). > Problem is in kern_wait(), parent process steps through children list, > once a child process is skipped, and later even if the child is stopped, > parent process still sleeps in msleep(), the race happens if parent > masked SIGCHLD. > > Submitted by : Peter Edwards peadar.edwards at gmail dot com > MFC after : 4 days You're not setting P_STOPPED_SIG anymore, is that on purpose? -- 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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