X-Git-Url: https://jxself.org/git/?p=8sync.git;a=blobdiff_plain;f=8sync%2Fagenda.scm;h=b41500dec5f502ce6a2d6188f3a2ceb4b056bbe7;hp=da578a77f25a0ad839ba80f379ded4bac102d697;hb=5dc2dceda9fab1eb92295989e8e8940fbd56a12c;hpb=9adac66bf1a1cf8e363aef54ddc7c14120c8f0c6

diff --git a/8sync/agenda.scm b/8sync/agenda.scm
index da578a7..b41500d 100644
--- a/8sync/agenda.scm
+++ b/8sync/agenda.scm
@@ -60,10 +60,8 @@
 
             run-it wrap wrap-apply run run-at run-delay
 
-            8sync-delay
-            8sync-run 8sync-run-at 8sync-run-delay
             8sync
-            8sleep
+            8sleep 8usleep
             
             ;; used for introspecting the error, but a method for making
             ;; is not exposed
@@ -471,11 +469,25 @@ forge ahead in our current function!"
             (make-run-request (lambda () body ...) #f))))))
 
 ;; TODO: Rewrite when we move to this being just `sleep'.
-(define (8sleep time)
+(define (8sleep secs)
+  "Like sleep, but asynchronous."
   (8sync-abort-to-prompt
    (make-async-request
     (lambda (kont)
-      (make-run-request (lambda () (kont #f)) (tdelta time))))))
+      (make-run-request (lambda () (kont #f)) (tdelta secs))))))
+
+(define (8usleep usecs)
+  "Like usleep, but asynchronous."
+  (define (usecs->time-pair)
+    (if (< 1000000)
+        (cons 0 usecs)
+        (let* ((sec (floor (/ usecs 1000000)))
+               (msec (- usecs (* sec 1000000))))
+          (cons sec msec))))
+  (8sync-abort-to-prompt
+   (make-async-request
+    (lambda (kont)
+      (make-run-request (lambda () (kont #f)) (tdelta usecs->time-pair))))))
 
 ;; Voluntarily yield execution
 (define (yield)  ; @@: should this be define-inlinable?