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0.8.0.78.vector-nil-string.11:
[sbcl.git]
/
src
/
code
/
target-unithread.lisp
diff --git
a/src/code/target-unithread.lisp
b/src/code/target-unithread.lisp
index
c684a3c
..
e11ec9d
100644
(file)
--- a/
src/code/target-unithread.lisp
+++ b/
src/code/target-unithread.lisp
@@
-91,8
+91,15
@@
(setf old-value t1))))
(defmacro with-mutex ((mutex &key value (wait-p t)) &body body)
(setf old-value t1))))
(defmacro with-mutex ((mutex &key value (wait-p t)) &body body)
- (declare (ignore mutex value wait-p))
- `(progn ,@body))
+ (cond ((not wait-p)
+ `(unless (mutex-value ,mutex)
+ (unwind-protect
+ (progn
+ (setf (mutex-value ,mutex) (or ,value t))
+ ,@body)
+ (setf (mutex-value ,mutex) nil))))
+ (t
+ `(progn ,@body))))
;;; what's the best thing to do with these on unithread?
#+NIl
;;; what's the best thing to do with these on unithread?
#+NIl