Sound like `delay/thread' might be doing everything you need.
On Oct 22, 2011, at 9:54 AM, Tony Garnock-Jones <[email protected]> wrote: > Hi all, > > What do people think of the idea of threads preserving their exit status? > > The exit status would be either > - a raised exception, or > - a normally-returned value, or > - nothing as yet, because the thread is still running. > > (thread-died-with-exception? thd) -> boolean? > Returns #t if thd died from a raised exception, #f if thd exited > through a normal return, or raises exn:fail:contract if thd hasn't > exited yet. > > (thread-exception thd) -> (or/c exn? false?) > Returns the exception that killed thd, #f if the thread returned > normally, or raises exn:fail:contract if thd hasn't exited yet. > > (thread-result thd) -> any? > Returns the value that thd's thunk returned, or raises > exn:fail:contract if either thd hasn't exited yet or thd died from > a raised exception. > > The existing (thread-dead?) and (thread-dead-evt) would be used > unchanged. (Hmm - if a thread was killed, what would > (thread-died-with-exception?) return?) > > Would it be difficult to implement? It'd require a change to the C code. > > Regards, > Tony > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/dev _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/dev
