Date: Sun, 31 Oct 1999 22:47:04 -0500 (EST) From: Daniel Eischen <eischen@vigrid.com> To: julian@whistle.com, nate@mt.sri.com Cc: eischen@vigrid.com, freebsd-arch@freebsd.org Subject: Re: Threads models and FreeBSD. Message-ID: <199911010347.WAA20149@pcnet1.pcnet.com>
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> > I think what is being asked for is the thread version of the > > signal catching capabilities of the present tsleep(). > > The situation is no worse than it is at present. > > Sort of, except that for every process you can only have one thread in > kernel space, so the only deadlocks that can occur happen in > userland, since the kernel has no primitives for doing 'synchronization' > and notification. (Unless you consider the SysV stuff, but as we've > seen, people tend to screw up using that as well. :) No, I want to be able to have multiple threads in a single process be in kernel space. Only one can be running, but others can be blocked. Dan Eischen eischen@vigrid.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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