tests/condition-wait-sigcont.lisp

   1 ;;;; prior to sbcl 0.9.15.39 a SIGSTOP and SIGCONT while waiting
   2 ;;;; on CONDITION-WAIT caused a spurious wakeup.
   3
   4 ;;;; This software is part of the SBCL system. See the README file for
   5 ;;;; more information.
   6 ;;;;
   7 ;;;; While most of SBCL is derived from the CMU CL system, the test
   8 ;;;; files (like this one) were written from scratch after the fork
   9 ;;;; from CMU CL.
  10 ;;;
  11 ;;;; This software is in the public domain and is provided with
  12 ;;;; absoluely no warranty. See the COPYING and CREDITS files for
  13 ;;;; more information.
  14
  15 (use-package :sb-thread)
  16
  17 (defvar *queue* (make-waitqueue))
  18 (defvar *lock* (make-mutex :name "lock"))
  19
  20 (with-mutex (*lock*)
  21   (write-line "/waiting")
  22   (force-output)
  23   (delete-file "condition-wait-sigcont.tmp")
  24   (condition-wait *queue* *lock*)
  25   (write-line "/woken")
  26   (force-output)
  27   (with-open-file (f "condition-wait-sigcont.tmp" :direction :output)
  28     (write-line "woken!" f)))
  29
  30 (write-line "/oops!")
  31 (force-output)
  32
  33 ;; sleep a bit so our runner can kill us
  34 (sleep 10)
  35 (quit)