;;;; Tests for async signal safety.

;;;; This software is part of the SBCL system. See the README file for
;;;; more information.
;;;;
;;;; While most of SBCL is derived from the CMU CL system, the test
;;;; files (like this one) were written from scratch after the fork
;;;; from CMU CL.
;;;
;;;; This software is in the public domain and is provided with
;;;; absoluely no warranty. See the COPYING and CREDITS files for
;;;; more information.

(use-package :test-util)

(with-test (:name (:async-unwind :specials))
  (let ((*x0* nil) (*x1* nil) (*x2* nil) (*x3* nil) (*x4* nil))
    (declare (special *x0* *x1* *x2* *x3* *x4*))
    (loop repeat 10 do
          (loop repeat 10 do
                (catch 'again
                  (sb-ext:schedule-timer (sb-ext:make-timer
                                          (lambda ()
                                            (throw 'again nil)))
                                         (random 0.1))
                  (loop
                   (let ((*x0* (cons nil nil)) (*x1* (cons nil nil))
                         (*x2* (cons nil nil)) (*x3* (cons nil nil))
                         (*x4* (cons nil nil)))
                     (declare (special *x0* *x1* *x2* *x3* *x4*)))))
                (when (not (and (null *x0*) (null *x1*) (null *x2*) (null *x3*)
                                (null *x4*)))
                  (format t "~S ~S ~S ~S ~S~%" *x0* *x1* *x2* *x3* *x4*)
                  (assert nil)))
          (princ '*)
          (force-output))
    (terpri)))