tests/signals.impure.lisp

   1 ;;;; Tests for async signal safety.
   2
   3 ;;;; This software is part of the SBCL system. See the README file for
   4 ;;;; more information.
   5 ;;;;
   6 ;;;; While most of SBCL is derived from the CMU CL system, the test
   7 ;;;; files (like this one) were written from scratch after the fork
   8 ;;;; from CMU CL.
   9 ;;;
  10 ;;;; This software is in the public domain and is provided with
  11 ;;;; absoluely no warranty. See the COPYING and CREDITS files for
  12 ;;;; more information.
  13
  14 (use-package :test-util)
  15
  16 (with-test (:name (:async-unwind :specials))
  17   (let ((*x0* nil) (*x1* nil) (*x2* nil) (*x3* nil) (*x4* nil))
  18     (declare (special *x0* *x1* *x2* *x3* *x4*))
  19     (loop repeat 10 do
  20           (loop repeat 10 do
  21                 (catch 'again
  22                   (sb-ext:schedule-timer (sb-ext:make-timer
  23                                           (lambda ()
  24                                             (throw 'again nil)))
  25                                          (random 0.1))
  26                   (loop
  27                    (let ((*x0* (cons nil nil)) (*x1* (cons nil nil))
  28                          (*x2* (cons nil nil)) (*x3* (cons nil nil))
  29                          (*x4* (cons nil nil)))
  30                      (declare (special *x0* *x1* *x2* *x3* *x4*)))))
  31                 (when (not (and (null *x0*) (null *x1*) (null *x2*) (null *x3*)
  32                                 (null *x4*)))
  33                   (format t "~S ~S ~S ~S ~S~%" *x0* *x1* *x2* *x3* *x4*)
  34                   (assert nil)))
  35           (princ '*)
  36           (force-output))
  37     (terpri)))