From owner-freebsd-hackers  Thu Apr 22 16:57:34 1999
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From: Mark Newton <newton@internode.com.au>
Message-Id: <199904222353.JAA78068@gizmo.internode.com.au>
Subject: Re: flock + kernel threads bug
To: eischen@vigrid.com (Daniel Eischen)
Date: Fri, 23 Apr 1999 09:23:38 +0930 (CST)
Cc: eischen@vigrid.com, newton@internode.com.au, dick@tar.com,
	hackers@FreeBSD.ORG, luoqi@watermarkgroup.com,
	peter.jeremy@auss2.alcatel.com.au
In-Reply-To: <199904222326.TAA21462@pcnet1.pcnet.com> from "Daniel Eischen" at Apr 22, 99 07:26:54 pm
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Daniel Eischen wrote:

 > Mark Newton wrote:
 > >  > 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 :-)
     [ list of SysVR4 syscalls deleted ]
 > Seems like a good idea to me.  But are these all system calls, or are some
 > library routines?  Having lwp_self be a system call doesn't seem optimal.

They're all syscalls (or, at least, they all have syscall numbers 
reserved for them).

    - 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
"Network Man" - Anagram of "Mark Newton"  Mobile: +61-416-202-223


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