io-error and raise/strerr now include an &error condition.

scheme/ikarus.io.ss

@@ -1186,11 +1186,15 @@
              (eof-object? (lookahead-u8 p)))]
         [else (die 'port-eof? "not an input port" p)])))
 
+  ;;; FIXME: these hard coded constants should go away
   (define EAGAIN-error-code -6) ;;; from ikarus-errno.c
 
-  (define (io-error who id err . other-conditions)
+  (define io-error
+    (case-lambda
+      [(who id err base-condition)
        (raise 
-      (apply condition
+         (condition
+           base-condition
            (make-who-condition who)
            (make-message-condition (strerror err))
            (case err
@@ -1204,8 +1208,8 @@
              [(-45)    (make-i/o-file-does-not-exist-error id)]
              [else (if id
                      (make-irritants-condition (list id))
-                  (condition))])
-        other-conditions)))
+                     (condition))])))]
+      [(who id err) (io-error who id err (make-error))]))
 
   ;(define block-size 4096)
   ;(define block-size (* 4 4096))

scheme/ikarus.posix.ss

@@ -260,6 +260,7 @@
       [(who errno-code filename)
        (raise
          (condition
+           (make-error)
            (make-who-condition who)
            (make-message-condition (strerror errno-code))
            (if filename 

scheme/last-revision

@@ -1 +1 @@
-1499
+1500