From owner-freebsd-hackers  Mon Mar  6  6:54: 6 2000
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From: "Yevmenkin, Maksim N, CSCIO" <myevmenkin@att.com>
To: "'Titus von Boxberg'" <tboxberg@schuett-elektronik.de>,
	Daniel Eischen <eischen@vigrid.com>
Cc: freebsd-hackers@FreeBSD.ORG
Subject: RE: Pthread blocking I/O
Date: Mon, 6 Mar 2000 09:53:35 -0500 
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[...]
 
> 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. 

or
	- use other threads library
	- use non-blocking read
	- use select/poll with timeout

man pthread and see /usr/src/lib/libc_r/uthread
for details.

thanks,
emax


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