From owner-freebsd-hackers  Mon Mar  6 15:52: 9 2000
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Date: Mon, 6 Mar 2000 18:51:47 -0500 (EST)
From: Daniel Eischen <eischen@vigrid.com>
To: Wes Peters <wes@softweyr.com>
Cc: John Baldwin <jhb@FreeBSD.ORG>,
	"Yevmenkin, Maksim N, CSCIO" <myevmenkin@att.com>,
	freebsd-hackers@FreeBSD.ORG,
	Titus von Boxberg <tboxberg@schuett-elektronik.de>
Subject: Re: Pthread blocking I/O
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On Mon, 6 Mar 2000, Wes Peters wrote:
> John Baldwin wrote:
> > 
> > On 06-Mar-00 Yevmenkin, Maksim N, CSCIO wrote:
> > > [...]
> > >
> > >> What's the reason for locking the file descriptors
> > >> for *all* system calls? especially those I mentioned?
> > >>
> > >> Where is pthread_cancel() ?
> > >
> > > are you using -stable (3.x)? there is no ``pthread_cancel'' in -stable.
> > > use -current.
> > 
> > Bzzzzt!!! Wrong!
> > 
> > [system info elided...]
> > 
> > You do need a fairly recent -stable, but it's in there. :)
> 
> >From the manpage, I'd guess the magic date to be on or about Jan 17,
> 2000.

I used the CVS logs for src/lib/libc_r/uthread/uthread_cancel.c:

----------------------------
revision 1.2.2.1
date: 2000/01/04 10:42:19;  author: tg;  state: Exp;  lines: +1 -1
MFC: Cancellation functions.

Reviewed by:    deischen
=============================================================================

Some of the man pages and cancellation support came from OpenBSD
(David Leonard).  The man page appears to have been written on
Jan 17, 1999 for OpenBSD.  FreeBSD-current and -stable came much
later.

Dan Eischen
eischen@vigrid.com



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