On 1/13/07, Daishi Kato <address@hidden> wrote:
> Hi,
>
> That was something that I could not notice either at first.
> Another issue for me is that I want to declare fixnum
> when all other procedures are fixnum arithmetic.
> So, I wished thread-sleep-millis!
> Any workaround for this? Maybe making a tiny egg for this?
>
I have added it (called `thread-sleep!/ms') to srfi-18. Here is the patch:
diff -rN -u old-chicken/srfi-18.scm new-chicken/srfi-18.scm
--- old-chicken/srfi-18.scm 2007-01-15 20:18:45.000000000 +0100
+++ new-chicken/srfi-18.scm 2007-01-15 20:18:45.000000000 +0100
@@ -281,16 +281,25 @@
(##sys#setslot thread 3 'ready)
(##sys#add-to-ready-queue thread) ) )
-(define thread-sleep!
- (lambda (tm)
- (unless tm (##sys#signal-hook #:type-error 'thread-sleep!
"invalid timeout argument" tm))
+(define thread-sleep!)
+(define thread-sleep!/ms)
+
+(let ()
+ (define (sleep limit loc)
(##sys#call-with-current-continuation
(lambda (return)
- (let ([limit (##sys#compute-time-limit tm)]
- [ct ##sys#current-thread] )
+ (let ((ct ##sys#current-thread))
(##sys#setslot ct 1 (lambda () (return (##core#undefined))))
(##sys#thread-block-for-timeout! ct limit)
- (##sys#schedule) ) ) ) ) )
+ (##sys#schedule) ) ) ) )
+ (set! thread-sleep!
+ (lambda (tm)
+ (unless tm (##sys#signal-hook #:type-error 'thread-sleep!
"invalid timeout argument" tm))
+ (sleep (##sys#compute-time-limit tm)) ) )
+ (set! thread-sleep!/ms
+ (lambda (ms)
+ (##sys#check-exact ms 'thread-sleep!/ms)
+ (sleep (fx+ (##sys#fudge 16) ms)) ) ) )
cheers,
felix