Date: Fri, 23 Apr 1999 07:50:21 +0930 (CST) From: Mark Newton <newton@internode.com.au> To: eischen@vigrid.com (Daniel Eischen) Cc: dick@tar.com, luoqi@watermarkgroup.com, hackers@FreeBSD.ORG, peter.jeremy@auss2.alcatel.com.au Subject: Re: flock + kernel threads bug Message-ID: <199904222220.HAA77865@gizmo.internode.com.au> In-Reply-To: <199904221957.PAA24764@pcnet1.pcnet.com> from "Daniel Eischen" at Apr 22, 99 03:57:19 pm
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Daniel Eischen wrote:
> > If the threads
> > are kernel threads, how do you communicate to the kernel which thread
> > you're acting on if the threads are "anonymous" in userland?
>
> You still have thread IDs in userland, but you now add:
> _lwp_kill, _lwp_setschedparam, etc,
> system calls to control the kernel threads. Or maybe one big
> _lwp_control...
If you make the BSD API the same as the SysVR4 API it'll make emulating
it really easy :-)
lwp_info
lwp_sema_wait
lwp_sema_post
lwp_sema_trywait
lwp_create
lwp_exit
lwp_suspend
lwp_continue
lwp_kill
lwp_self
lwp_getprivate
lwp_setprivate
lwp_wait
lwp_mutex_unlock
lwp_mutex_lock
lwp_cond_wait
lwp_cond_signal
lwp_cond_broadcast
lwp_sigredirect
lwp_alarm
- mark
----
Mark Newton Email: newton@internode.com.au (W)
Network Engineer Email: newton@atdot.dotat.org (H)
Internode Systems Pty Ltd Desk: +61-8-82232999
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