Re: Some questions about concurrency (mostly)

[felix . winkelmann]

> I'm not doing any call/cc or non-local exit shenanigans, but the code
> uses srfi-18 threads and does I/O over TCP. As I understand it, srfi-18
> is implemented using continuations. Will that cause problems with my
> with-lock function? I'm thinking that a thread that has aquired the lock
> in the before-thunk and running the main thunk might hang waiting for
> I/O; will that cause it to exit the dynamic environment, run the
> after-thunk and release the lock?

Each thread has its own dynamic-wind chain, so unless you start
threads in the before/after threads, you should be fine.


felix