Carl Banks <pavlovevide...@gmail.com> writes: > I don't think your fantasy async-only all-green-thread langauge > implementation is possible anyway.
Erlang and GHC both work like that, quite successfully: http://shootout.alioth.debian.org/gp4/benchmark.php?test=threadring&lang=all > How would you wait on a pipe in one thread, a socket in another, a > semaphore in a third? You can select on pipes and sockets, I think. Not sure about semaphores. > (Are there any popular OSes that offer a unified polling interface to > all possible synchronizations?) And what do you do about drivers or > libraries that make underlying blocking calls? What if you have a > busy calculation going on in the background? I don't think the concept of "drivers" applies to user-mode programs. For FFI calls you would use an OS thread. The language runtime switches between busy computation threads on a timer tick. -- http://mail.python.org/mailman/listinfo/python-list
