Hi, On Thu 08 Mar 2012 03:29, Mark H Weaver <m...@netris.org> writes:
>> commit 283ab48d3f20a5c5281cafc29f0c30c8d8ace9ee >> Author: Andy Wingo <wingo-e+axbwqsrlaavxtiumw...@public.gmane.org> >> Date: Wed Mar 7 19:01:56 2012 +0100 >> >> faster (make-prompt-tag); default-prompt-tag is a parameter >> >> * module/ice-9/boot-9.scm (default-prompt-tag): Once parameters have >> booted, redefine as a parameter. > > I fear that making 'default-prompt-tag' a parameter might slow things > down quite a bit on platforms with a slow implementation of thread local > storage. Not the case! It shouldn't depend on thread-local storage at all actually since the VM already has a handle on the current thread and dynamic state. > What's the anticipated use case for this? Parameterizing default prompts? It allows users to re-set the user/system process boundary for a dynamic extent. Andy -- http://wingolog.org/
