(in-package :cl-user)
(defpackage :thread-test
- (:use :cl :sb-thread))
+ (:use :cl :sb-thread :sb-ext))
(in-package :thread-test)
(use-package :test-util)
+(with-test (:name atomic-update
+ :skipped-on '(not :sb-thread))
+ (let ((x (cons :count 0))
+ (nthreads (ecase sb-vm:n-word-bits (32 100) (64 1000))))
+ (mapc #'sb-thread:join-thread
+ (loop repeat nthreads
+ collect (sb-thread:make-thread
+ (lambda ()
+ (loop repeat 1000
+ do (atomic-update (cdr x) #'1+)
+ (sleep 0.00001))))))
+ (assert (equal x `(:count ,@(* 1000 nthreads))))))
+
+(with-test (:name mutex-owner)
+ ;; Make sure basics are sane on unithreaded ports as well
+ (let ((mutex (make-mutex)))
+ (grab-mutex mutex)
+ (assert (eq *current-thread* (mutex-value mutex)))
+ (handler-bind ((warning #'error))
+ (release-mutex mutex))
+ (assert (not (mutex-value mutex)))))
+
;;; Terminating a thread that's waiting for the terminal.
#+sb-thread
;;; Condition-wait should not be interruptible under WITHOUT-INTERRUPTS
-#+sb-thread
-(with-test (:name without-interrupts+condition-wait
- :fails-on :sb-lutex)
+(with-test (:name :without-interrupts+condition-wait
+ :skipped-on '(not :sb-thread)
+ :fails-on '(and :win32 :sb-futex))
(let* ((lock (make-mutex))
(queue (make-waitqueue))
(thread (make-thread (lambda ()
(sleep 1)
(assert (not (thread-alive-p thread)))))
-;;; GET-MUTEX should not be interruptible under WITHOUT-INTERRUPTS
+;;; GRAB-MUTEX should not be interruptible under WITHOUT-INTERRUPTS
-#+sb-thread
-(with-test (:name without-interrupts+get-mutex)
+(with-test (:name :without-interrupts+grab-mutex :skipped-on '(not :sb-thread))
(let* ((lock (make-mutex))
- (bar (progn (get-mutex lock) nil))
+ (bar (progn (grab-mutex lock) nil))
(thread (make-thread (lambda ()
(sb-sys:without-interrupts
(with-mutex (lock)
(assert (eq :aborted (join-thread thread :default :aborted)))
(assert bar)))
-#+sb-thread
-(with-test (:name parallel-find-class)
+(with-test (:name :parallel-find-class :skipped-on '(not :sb-thread))
(let* ((oops nil)
(threads (loop repeat 10
collect (make-thread (lambda ()
(mapcar #'sb-thread:join-thread threads)
(assert (not oops))))
-#+sb-thread
-(with-test (:name :semaphore-multiple-waiters)
+(with-test (:name :semaphore-multiple-waiters :skipped-on '(not :sb-thread))
(let ((semaphore (make-semaphore :name "test sem")))
(labels ((make-readers (n i)
(values
(loop for r from 0 below n
collect
- (let ((r r))
- (sb-thread:make-thread (lambda ()
- (let ((sem semaphore))
- (dotimes (s i)
- (sb-thread:wait-on-semaphore sem))))
- :name "reader")))
+ (sb-thread:make-thread
+ (lambda ()
+ (let ((sem semaphore))
+ (dotimes (s i)
+ (sb-thread:wait-on-semaphore sem))))
+ :name "reader"))
(* n i)))
(make-writers (n readers i)
(let ((j (* readers i)))
(let ((writers
(loop for w from 0 below n
collect
- (let ((w w))
- (sb-thread:make-thread (lambda ()
- (let ((sem semaphore))
- (dotimes (s k)
- (sb-thread:signal-semaphore sem))))
- :name "writer")))))
+ (sb-thread:make-thread
+ (lambda ()
+ (let ((sem semaphore))
+ (dotimes (s k)
+ (sb-thread:signal-semaphore sem))))
+ :name "writer"))))
(assert (zerop rem))
writers)
(+ rem (* n k))))))
(sb-ext:timeout ()
:timeout)))))))
+;;;; Printing waitqueues
+
+(with-test (:name :waitqueue-circle-print :skipped-on '(not :sb-thread))
+ (let* ((*print-circle* nil)
+ (lock (sb-thread:make-mutex))
+ (wq (sb-thread:make-waitqueue)))
+ (sb-thread:with-recursive-lock (lock)
+ (sb-thread:condition-notify wq))
+ ;; Used to blow stack due to recursive structure.
+ (assert (princ-to-string wq))))
+
+;;;; SYMBOL-VALUE-IN-THREAD
+
+(with-test (:name :symbol-value-in-thread.1)
+ (let ((* (cons t t)))
+ (assert (eq * (symbol-value-in-thread '* *current-thread*)))
+ (setf (symbol-value-in-thread '* *current-thread*) 123)
+ (assert (= 123 (symbol-value-in-thread '* *current-thread*)))
+ (assert (= 123 *))))
+
+(with-test (:name :symbol-value-in-thread.2 :skipped-on '(not :sb-thread))
+ (let* ((parent *current-thread*)
+ (semaphore (make-semaphore))
+ (child (make-thread (lambda ()
+ (wait-on-semaphore semaphore)
+ (let ((old (symbol-value-in-thread 'this-is-new parent)))
+ (setf (symbol-value-in-thread 'this-is-new parent) :from-child)
+ old)))))
+ (progv '(this-is-new) '(42)
+ (signal-semaphore semaphore)
+ (assert (= 42 (join-thread child)))
+ (assert (eq :from-child (symbol-value 'this-is-new))))))
+
+;;; Disabled on Darwin due to deadlocks caused by apparent OS specific deadlocks,
+;;; wich _appear_ to be caused by malloc() and free() not being thread safe: an
+;;; interrupted malloc in one thread can apparently block a free in another.
+(with-test (:name :symbol-value-in-thread.3
+ :skipped-on '(not :sb-thread))
+ (let* ((parent *current-thread*)
+ (semaphore (make-semaphore))
+ (running t)
+ (noise (make-thread (lambda ()
+ (loop while running
+ do (setf * (make-array 1024))
+ ;; Busy-wait a bit so we don't TOTALLY flood the
+ ;; system with GCs: a GC occurring in the middle of
+ ;; S-V-I-T causes it to start over -- we want that
+ ;; to occur occasionally, but not _all_ the time.
+ (loop repeat (random 128)
+ do (setf ** *)))))))
+ (write-string "; ")
+ (dotimes (i #+win32 2000 #-win32 15000)
+ (when (zerop (mod i 200))
+ (write-char #\.)
+ (force-output))
+ (let* ((mom-mark (cons t t))
+ (kid-mark (cons t t))
+ (child (make-thread (lambda ()
+ (wait-on-semaphore semaphore)
+ (let ((old (symbol-value-in-thread 'this-is-new parent)))
+ (setf (symbol-value-in-thread 'this-is-new parent)
+ (make-array 24 :initial-element kid-mark))
+ old)))))
+ (progv '(this-is-new) (list (make-array 24 :initial-element mom-mark))
+ (signal-semaphore semaphore)
+ (assert (eq mom-mark (aref (join-thread child) 0)))
+ (assert (eq kid-mark (aref (symbol-value 'this-is-new) 0))))))
+ (setf running nil)
+ (join-thread noise)))
+
+(with-test (:name :symbol-value-in-thread.4 :skipped-on '(not :sb-thread))
+ (let* ((parent *current-thread*)
+ (semaphore (make-semaphore))
+ (child (make-thread (lambda ()
+ (wait-on-semaphore semaphore)
+ (symbol-value-in-thread 'this-is-new parent nil)))))
+ (signal-semaphore semaphore)
+ (assert (equal '(nil nil) (multiple-value-list (join-thread child))))))
+
+(with-test (:name :symbol-value-in-thread.5 :skipped-on '(not :sb-thread))
+ (let* ((parent *current-thread*)
+ (semaphore (make-semaphore))
+ (child (make-thread (lambda ()
+ (wait-on-semaphore semaphore)
+ (handler-case
+ (symbol-value-in-thread 'this-is-new parent)
+ (symbol-value-in-thread-error (e)
+ (list (thread-error-thread e)
+ (cell-error-name e)
+ (sb-thread::symbol-value-in-thread-error-info e))))))))
+ (signal-semaphore semaphore)
+ (assert (equal (list *current-thread* 'this-is-new (list :read :unbound-in-thread))
+ (join-thread child)))))
+
+(with-test (:name :symbol-value-in-thread.6 :skipped-on '(not :sb-thread))
+ (let* ((parent *current-thread*)
+ (semaphore (make-semaphore))
+ (name (gensym))
+ (child (make-thread (lambda ()
+ (wait-on-semaphore semaphore)
+ (handler-case
+ (setf (symbol-value-in-thread name parent) t)
+ (symbol-value-in-thread-error (e)
+ (list (thread-error-thread e)
+ (cell-error-name e)
+ (sb-thread::symbol-value-in-thread-error-info e))))))))
+ (signal-semaphore semaphore)
+ (let ((res (join-thread child))
+ (want (list *current-thread* name (list :write :no-tls-value))))
+ (unless (equal res want)
+ (error "wanted ~S, got ~S" want res)))))
+
+(with-test (:name :symbol-value-in-thread.7 :skipped-on '(not :sb-thread))
+ (let ((child (make-thread (lambda ())))
+ (error-occurred nil))
+ (join-thread child)
+ (handler-case
+ (symbol-value-in-thread 'this-is-new child)
+ (symbol-value-in-thread-error (e)
+ (setf error-occurred t)
+ (assert (eq child (thread-error-thread e)))
+ (assert (eq 'this-is-new (cell-error-name e)))
+ (assert (equal (list :read :thread-dead)
+ (sb-thread::symbol-value-in-thread-error-info e)))))
+ (assert error-occurred)))
+
+(with-test (:name :symbol-value-in-thread.8 :skipped-on '(not :sb-thread))
+ (let ((child (make-thread (lambda ())))
+ (error-occurred nil))
+ (join-thread child)
+ (handler-case
+ (setf (symbol-value-in-thread 'this-is-new child) t)
+ (symbol-value-in-thread-error (e)
+ (setf error-occurred t)
+ (assert (eq child (thread-error-thread e)))
+ (assert (eq 'this-is-new (cell-error-name e)))
+ (assert (equal (list :write :thread-dead)
+ (sb-thread::symbol-value-in-thread-error-info e)))))
+ (assert error-occurred)))
+
+(with-test (:name :deadlock-detection.1 :skipped-on '(not :sb-thread))
+ (loop
+ repeat 1000
+ do (flet ((test (ma mb sa sb)
+ (lambda ()
+ (handler-case
+ (sb-thread:with-mutex (ma)
+ (sb-thread:signal-semaphore sa)
+ (sb-thread:wait-on-semaphore sb)
+ (sb-thread:with-mutex (mb)
+ :ok))
+ (sb-thread:thread-deadlock (e)
+ (princ e)
+ :deadlock)))))
+ (let* ((m1 (sb-thread:make-mutex :name "M1"))
+ (m2 (sb-thread:make-mutex :name "M2"))
+ (s1 (sb-thread:make-semaphore :name "S1"))
+ (s2 (sb-thread:make-semaphore :name "S2"))
+ (t1 (sb-thread:make-thread (test m1 m2 s1 s2) :name "T1"))
+ (t2 (sb-thread:make-thread (test m2 m1 s2 s1) :name "T2")))
+ ;; One will deadlock, and the other will then complete normally.
+ (let ((res (list (sb-thread:join-thread t1)
+ (sb-thread:join-thread t2))))
+ (assert (or (equal '(:deadlock :ok) res)
+ (equal '(:ok :deadlock) res))))))))
+
+(with-test (:name :deadlock-detection.2 :skipped-on '(not :sb-thread))
+ (let* ((m1 (sb-thread:make-mutex :name "M1"))
+ (m2 (sb-thread:make-mutex :name "M2"))
+ (s1 (sb-thread:make-semaphore :name "S1"))
+ (s2 (sb-thread:make-semaphore :name "S2"))
+ (t1 (sb-thread:make-thread
+ (lambda ()
+ (sb-thread:with-mutex (m1)
+ (sb-thread:signal-semaphore s1)
+ (sb-thread:wait-on-semaphore s2)
+ (sb-thread:with-mutex (m2)
+ :ok)))
+ :name "T1")))
+ (prog (err)
+ :retry
+ (handler-bind ((sb-thread:thread-deadlock
+ (lambda (e)
+ (unless err
+ ;; Make sure we can print the condition
+ ;; while it's active
+ (let ((*print-circle* nil))
+ (setf err (princ-to-string e)))
+ (go :retry)))))
+ (when err
+ (sleep 1))
+ (assert (eq :ok (sb-thread:with-mutex (m2)
+ (unless err
+ (sb-thread:signal-semaphore s2)
+ (sb-thread:wait-on-semaphore s1)
+ (sleep 1))
+ (sb-thread:with-mutex (m1)
+ :ok)))))
+ (assert (stringp err)))
+ (assert (eq :ok (sb-thread:join-thread t1)))))
+
+(with-test (:name :deadlock-detection.3 :skipped-on '(not :sb-thread))
+ (let* ((m1 (sb-thread:make-mutex :name "M1"))
+ (m2 (sb-thread:make-mutex :name "M2"))
+ (s1 (sb-thread:make-semaphore :name "S1"))
+ (s2 (sb-thread:make-semaphore :name "S2"))
+ (t1 (sb-thread:make-thread
+ (lambda ()
+ (sb-thread:with-mutex (m1)
+ (sb-thread:signal-semaphore s1)
+ (sb-thread:wait-on-semaphore s2)
+ (sb-thread:with-mutex (m2)
+ :ok)))
+ :name "T1")))
+ ;; Currently we don't consider it a deadlock
+ ;; if there is a timeout in the chain.
+ (assert (eq :deadline
+ (handler-case
+ (sb-thread:with-mutex (m2)
+ (sb-thread:signal-semaphore s2)
+ (sb-thread:wait-on-semaphore s1)
+ (sleep 1)
+ (sb-sys:with-deadline (:seconds 0.1)
+ (sb-thread:with-mutex (m1)
+ :ok)))
+ (sb-sys:deadline-timeout ()
+ :deadline)
+ (sb-thread:thread-deadlock ()
+ :deadlock))))
+ (assert (eq :ok (join-thread t1)))))
+
+#+sb-thread
+(with-test (:name :pass-arguments-to-thread)
+ (assert (= 3 (join-thread (make-thread #'+ :arguments '(1 2))))))
+
+#+sb-thread
+(with-test (:name :pass-atom-to-thread)
+ (assert (= 1/2 (join-thread (make-thread #'/ :arguments 2)))))
+
+#+sb-thread
+(with-test (:name :pass-nil-to-thread)
+ (assert (= 1 (join-thread (make-thread #'* :arguments '())))))
+
+#+sb-thread
+(with-test (:name :pass-nothing-to-thread)
+ (assert (= 1 (join-thread (make-thread #'*)))))
+
+#+sb-thread
+(with-test (:name :pass-improper-list-to-thread)
+ (multiple-value-bind (value error)
+ (ignore-errors (make-thread #'+ :arguments '(1 . 1)))
+ (when value
+ (join-thread value))
+ (assert (and (null value)
+ error))))
+
+(with-test (:name (:wait-for :basics))
+ (assert (not (sb-ext:wait-for nil :timeout 0.1)))
+ (assert (eql 42 (sb-ext:wait-for 42)))
+ (let ((n 0))
+ (assert (eql 100 (sb-ext:wait-for (when (= 100 (incf n))
+ n))))))
+
+(with-test (:name (:wait-for :deadline))
+ (assert (eq :ok
+ (sb-sys:with-deadline (:seconds 10)
+ (assert (not (sb-ext:wait-for nil :timeout 0.1)))
+ :ok)))
+ (assert (eq :deadline
+ (handler-case
+ (sb-sys:with-deadline (:seconds 0.1)
+ (sb-ext:wait-for nil :timeout 10)
+ (error "oops"))
+ (sb-sys:deadline-timeout () :deadline)))))
+
+(with-test (:name (:condition-wait :timeout :one-thread))
+ (let ((mutex (make-mutex))
+ (waitqueue (make-waitqueue)))
+ (assert (not (with-mutex (mutex)
+ (condition-wait waitqueue mutex :timeout 0.01))))))
+
+(with-test (:name (:condition-wait :timeout :many-threads)
+ :skipped-on '(not :sb-thread))
+ (let* ((mutex (make-mutex))
+ (waitqueue (make-waitqueue))
+ (sem (make-semaphore))
+ (data nil)
+ (workers
+ (loop repeat 100
+ collect (make-thread
+ (lambda ()
+ (wait-on-semaphore sem)
+ (block thread
+ (with-mutex (mutex)
+ (loop until data
+ do (or (condition-wait waitqueue mutex :timeout 0.01)
+ (return-from thread nil)))
+ (assert (eq t (pop data)))
+ t)))))))
+ (loop repeat 50
+ do (with-mutex (mutex)
+ (push t data)
+ (condition-notify waitqueue)))
+ (signal-semaphore sem 100)
+ (let ((ok (count-if #'join-thread workers)))
+ (unless (eql 50 ok)
+ (error "Wanted 50, got ~S" ok)))))
+
+(with-test (:name (:wait-on-semaphore :timeout :one-thread))
+ (let ((sem (make-semaphore))
+ (n 0))
+ (signal-semaphore sem 10)
+ (loop repeat 100
+ do (when (wait-on-semaphore sem :timeout 0.001)
+ (incf n)))
+ (assert (= n 10))))
+
+(with-test (:name (:wait-on-semaphore :timeout :many-threads)
+ :skipped-on '(not :sb-thread))
+ (let* ((sem (make-semaphore))
+ (threads
+ (progn
+ (signal-semaphore sem 10)
+ (loop repeat 100
+ collect (make-thread
+ (lambda ()
+ (sleep (random 0.02))
+ (wait-on-semaphore sem :timeout 0.5)))))))
+ (loop repeat 5
+ do (signal-semaphore sem 2))
+ (let ((ok (count-if #'join-thread threads)))
+ (unless (eql 20 ok)
+ (error "Wanted 20, got ~S" ok)))))
+
+(with-test (:name (:join-thread :timeout)
+ :skipped-on '(not :sb-thread))
+ (assert (eq :error
+ (handler-case
+ (join-thread (make-join-thread (lambda () (sleep 10))) :timeout 0.01)
+ (join-thread-error ()
+ :error))))
+ (let ((cookie (cons t t)))
+ (assert (eq cookie
+ (join-thread (make-join-thread (lambda () (sleep 10)))
+ :timeout 0.01
+ :default cookie)))))
+
+(with-test (:name (:semaphore-notification :wait-on-semaphore :lp-1038034)
+ :skipped-on '(not :sb-thread)
+ :fails-on :sb-thread)
+ ;; Test robustness of semaphore acquisition and notification with
+ ;; asynchronous thread termination... Which we know is currently
+ ;; fragile.
+ (dotimes (run 180)
+ (let ((sem (make-semaphore)))
+ ;; In CRITICAL, WAIT-ON-SEMAPHORE and SLEEP can be interrupted
+ ;; by TERMINATE-THREAD below. But the SIGNAL-SEMAPHORE cleanup
+ ;; cannot be interrupted.
+ (flet ((critical (sleep)
+ (let ((note (make-semaphore-notification)))
+ (sb-sys:without-interrupts
+ (unwind-protect
+ (sb-sys:with-local-interrupts
+ (wait-on-semaphore sem :notification note)
+ (sleep sleep))
+ ;; Re-increment on exit if we decremented it.
+ (when (semaphore-notification-status note)
+ (signal-semaphore sem)))))))
+ ;; Create /parallel/ threads trying to acquire and then signal
+ ;; the semaphore. Try to asynchronously abort T2 just as T1 is
+ ;; exiting.
+ (destructuring-bind (t1 t2 t3)
+ (loop for i from 1
+ for sleep in '(0.01 0.02 0.02)
+ collect (make-thread #'critical :arguments sleep
+ :name (format nil "T~A" i)))
+ (signal-semaphore sem)
+ (sleep 0.01)
+ (ignore-errors
+ (terminate-thread t2))
+ (flet ((safe-join-thread (thread &key timeout)
+ (assert timeout)
+ (when (eq :timeout
+ (join-thread thread
+ :timeout timeout
+ :default :timeout))
+ (error "Hang in (join-thread ~A) ?" thread))))
+ (safe-join-thread t1 :timeout 10)
+ (safe-join-thread t3 :timeout 10)))))
+ (when (zerop (mod run 60))
+ (fresh-line)
+ (write-string "; "))
+ (write-char #\.)
+ (force-output)))
+
+(with-test (:name (:semaphore-notification :wait-on-semaphore)
+ :skipped-on '(not :sb-thread))
+ (let ((sem (make-semaphore))
+ (ok nil)
+ (n 0))
+ (flet ((critical ()
+ (let ((note (make-semaphore-notification)))
+ (sb-sys:without-interrupts
+ (unwind-protect
+ (progn
+ (sb-sys:with-local-interrupts
+ (wait-on-semaphore sem :notification note)
+ (sleep (random 0.1)))
+ (incf n))
+ ;; Re-increment on exit if we decremented it.
+ (when (semaphore-notification-status note)
+ (signal-semaphore sem))
+ ;; KLUDGE: Prevent interrupts after this point from
+ ;; unwinding us, so that we can reason about the counts.
+ #+sb-thread
+ (sb-thread::block-deferrable-signals))))))
+ (let* ((threads (loop for i from 1 upto 100
+ collect (make-join-thread #'critical :name (format nil "T~A" i))))
+ (safe nil)
+ (unsafe nil)
+ (interruptor (make-thread (lambda ()
+ (loop until ok)
+ (let (x)
+ (dolist (thread threads)
+ (cond (x
+ (push thread unsafe)
+ (sleep (random 0.1))
+ (ignore-errors
+ (terminate-thread thread)))
+ (t
+ (push thread safe)))
+ (setf x (not x))))))))
+ (signal-semaphore sem)
+ (setf ok t)
+ (join-thread interruptor)
+ (mapc #'join-thread safe)
+ (let ((k (count-if (lambda (th)
+ (join-thread th :default nil))
+ unsafe)))
+ (assert (= n (+ k (length safe))))
+ (assert unsafe))))))
+
+(with-test (:name (:semaphore-notification :try-sempahore)
+ :skipped-on '(not :sb-thread))
+ (let* ((sem (make-semaphore))
+ (note (make-semaphore-notification)))
+ (try-semaphore sem 1 note)
+ (assert (not (semaphore-notification-status note)))
+ (signal-semaphore sem)
+ (try-semaphore sem 1 note)
+ (assert (semaphore-notification-status note))))
+
+(with-test (:name (:return-from-thread :normal-thread)
+ :skipped-on '(not :sb-thread))
+ (let* ((thread (make-thread (lambda ()
+ (return-from-thread (values 1 2 3))
+ :foo)))
+ (values (multiple-value-list (join-thread thread))))
+ (unless (equal (list 1 2 3) values)
+ (error "got ~S, wanted (1 2 3)" values))))
+
+(with-test (:name (:return-from-thread :main-thread))
+ (assert (main-thread-p))
+ (assert (eq :oops
+ (handler-case
+ (return-from-thread t)
+ (thread-error ()
+ :oops)))))
+
+(with-test (:name (:abort-thread :normal-thread)
+ :skipped-on '(not :sb-thread))
+ (let ((thread (make-thread (lambda ()
+ (abort-thread)
+ :foo))))
+ (assert (eq :aborted! (join-thread thread :default :aborted!)))))
+
+(with-test (:name (:abort-thread :main-thread))
+ (assert (main-thread-p))
+ (assert (eq :oops
+ (handler-case
+ (abort-thread)
+ (thread-error ()
+ :oops)))))
+
+;; SB-THREAD:MAKE-THREAD used to lock SB-THREAD:*MAKE-THREAD-LOCK*
+;; before entering WITHOUT-INTERRUPTS. When a thread which was
+;; executing SB-THREAD:MAKE-THREAD was interrupted with code which
+;; also called SB-THREAD:MAKE-THREAD, it could happen that the first
+;; thread already owned SB-THREAD:*MAKE-THREAD-LOCK* and the
+;; interrupting code thus made a recursive lock attempt.
+;;
+;; See (:TIMER :DISPATCH-THREAD :MAKE-THREAD :BUG-1180102) in
+;; timer.impure.lisp.
+(with-test (:name (make-thread :interrupt-with make-thread :bug-1180102)
+ :skipped-on '(not :sb-thread))
+ (dotimes (i 100)
+ (let ((threads '())
+ (parent *current-thread*))
+ (dotimes (i 100)
+ (push (make-thread
+ (lambda ()
+ (interrupt-thread
+ parent
+ (lambda () (push (make-thread (lambda ())) threads)))))
+ threads)
+ (push (make-thread (lambda ())) threads))
+ (mapc #'join-thread threads))))
projects / sbcl.git / blobdiff