3 ;;;; This software is part of the SBCL system. See the README file for
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
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.
20 (setq *x* (make-string 100000))))
22 ;; check that WITHOUT-INTERRUPTS doesn't block the gc trigger
23 (sb-sys:without-interrupts (cons-madly))
25 ;; check that WITHOUT-INTERRUPTS doesn't block SIG_STOP_FOR_GC
27 (sb-sys:without-interrupts
28 (let ((thread (sb-thread:make-thread (lambda () (sb-ext:gc)))))
29 (loop while (sb-thread:thread-alive-p thread))))
31 (let ((gc-happend nil))
32 (push (lambda () (setq gc-happend t)) sb-ext:*after-gc-hooks*)
34 ;; check that WITHOUT-GCING defers explicit gc
37 (assert (not gc-happend)))
40 ;; check that WITHOUT-GCING defers SIG_STOP_FOR_GC
42 (let ((in-without-gcing nil))
44 (sb-thread:make-thread (lambda ()
45 (loop while (not in-without-gcing))
48 (setq in-without-gcing t)
50 (assert (not gc-happend)))
51 ;; give the hook time to run
55 ;;; SB-EXT:GENERATION-* accessors returned bogus values for generation > 0
56 (with-test (:name :bug-529014 :skipped-on '(not :gencgc))
57 (loop for i from 0 to sb-vm:+pseudo-static-generation+
58 do (assert (= (sb-ext:generation-bytes-consed-between-gcs i)
59 (truncate (sb-ext:bytes-consed-between-gcs)
60 sb-vm:+highest-normal-generation+)))
61 ;; FIXME: These parameters are a) tunable in the source and b)
62 ;; duplicated multiple times there and now here. It would be good to
63 ;; OAOO-ify them (probably to src/compiler/generic/params.lisp).
64 (assert (= (sb-ext:generation-minimum-age-before-gc i) 0.75))
65 (assert (= (sb-ext:generation-number-of-gcs-before-promotion i) 1))))
68 ;; Kludge or not? I don't know whether the smaller allocation size
69 ;; for sb-safepoint is a legitimate correction to the test case, or
70 ;; rather hides the actual bug this test is checking for... It's also
71 ;; not clear to me whether the issue is actually safepoint-specific.
72 ;; But the main problem safepoint-related bugs tend to introduce is a
73 ;; delay in the GC triggering -- and if bug-936304 fails, it also
74 ;; causes bug-981106 to fail, even though there is a full GC in
75 ;; between, which makes it seem unlikely to me that the problem is
76 ;; delay- (and hence safepoint-) related. --DFL
77 (let* ((x (make-array (truncate #-sb-safepoint (* 0.2 (dynamic-space-size))
78 #+sb-safepoint (* 0.1 (dynamic-space-size))
79 sb-vm:n-word-bytes))))
82 (with-test (:name :bug-936304)
85 (assert (eq :ok (handler-case
87 (loop repeat 50 do (stress-gc))
92 (with-test (:name :bug-981106)
97 (dotimes (runs 100 :ok)
98 (let* ((n (truncate (dynamic-space-size) 1200))
100 (with-output-to-string (string)
102 (write-sequence "hi there!" string))))))
103 (assert (eql len (* n (length "hi there!"))))))
104 (storage-condition ()
107 (with-test (:name :gc-logfile)
108 (assert (not (gc-logfile)))
109 (let ((p #p"gc.log"))
110 (assert (not (probe-file p)))
111 (assert (equal p (setf (gc-logfile) p)))
113 (let ((p2 (gc-logfile)))
114 (assert (equal (truename p2) (truename p))))
115 (assert (not (setf (gc-logfile) nil)))
116 (assert (not (gc-logfile)))