Pythonic concurrency (was: Erlang (was Re: Good introduction to

[Will Ware]

> Cameron Laird wrote:
> > Is this true:  microthreads block on system calls (I/O
> > operations, most notoriously) and on invocations of
> > externally-coded extensions?

Just van Rossum (just at letterror.com) wrote:
> They do.

Yup, microthreads treat Python opcodes as atomic, including system I/O
calls and calls to C extensions. This is because Stackless Python is a
mechanism for tweaking the execution order of the Python virtual machine,
which steps thru Python opcodes. My earlier assertion was sloppy. My bad.
-- 
import string,time,os;print string.join((lambda x:x[:10]+x[8:])(map(
lambda x:string.center("*"*(lambda x:((x<24) ### Seasons Greetings, Will Ware
*(x-3))+3)(x),24),range(1,28, 2))),"\n") ################ wware at world.std.com