Matt Wette <matthew.we...@verizon.net> writes: >> On Mar 28, 2016, at 12:04 PM, Andy Wingo <wi...@pobox.com> wrote: >> I am working on improving our port implementation to take advantage of >> the opportunity to break ABI in 2.2. I am wondering how much I can >> break C API as well -- there are some changes that would allow better >> user-space threading > > I made an attempt to use soft ports, but backed out after I could not > figure a way to extra data I wanted to associate with my port. > > Addition of an access function to user-defined data would enlarge the > cases for which soft ports could be used.
Object properties can be used to associate extra information with any object that has identity, which includes ports. See 'make-object-property' in the Guile manual. Mark