Re: Concurrency

[Stefan Monnier <monnier@iro.umontreal.ca>]

> Here's a quick rundown of the new primitives.

> (run-in-thread FUNC)
>   Take a no-argument function as an argument.
>   Makes a new thread and calls the function.

> (with-new-thread FORM)
>   A convenience macro that takes a form, wraps it in a lambda,
>   and calls run-in-thread.

> (yield)
>   Yield control.
>   Emacs has semi-cooperative threading.  Thread switches happen during
>   I/O or by explicit yield.

> (make-mutex)
>   Make a new lock and return it

> (mutex-lock MUTEX)
>   Acquire a mutex.  If already held by this thread, returns.

I.e. it's a "recursive/reentrant mutex".

>   If the mutex is held by some other thread, blocks until it is
>   available.

> (mutex-unlock MUTEX)
>   Release the lock.

Sounds good.  Could someone complete the above with a description of how
let-bindings work (and/or how they interact with buffer-local bindings)?
Also, a list of bugs/problem/issues would be handy,


        Stefan


PS: And place this info in a file in the `concurrent' branch.