cpython-lru_cache-weakref: Lib/test/test

annotate Lib/test/test_threading.py @ 58765:2ba7677bfa95 legacy-trunk

testCopysign was defined twice in test_math; combine the definitions

author	Mark Dickinson <dickinsm@gmail.com>
date	Sat, 06 Feb 2010 23:11:25 +0000
parents	6ffcdafa0118
children	eabfa778b076

rev	line source
19405 9de83dda9f09 add a few test cases for threading module. Skip Montanaro <skip@pobox.com> parents: diff changeset	1 # Very rudimentary test of threading module
9de83dda9f09 add a few test cases for threading module. Skip Montanaro <skip@pobox.com> parents: diff changeset	2
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	3 import test.test_support
24364 aa0d2d51fbde Get rid of relative imports in all unittests. Now anything that Barry Warsaw <barry@python.org> parents: 19413 diff changeset	4 from test.test_support import verbose
19405 9de83dda9f09 add a few test cases for threading module. Skip Montanaro <skip@pobox.com> parents: diff changeset	5 import random
47438 7eaaad09b6cd Adds a Thread.getIdent() method to provide the _get_ident() value for Gregory P. Smith <greg@mad-scientist.com> parents: 46280 diff changeset	6 import re
41960 588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	7 import sys
19405 9de83dda9f09 add a few test cases for threading module. Skip Montanaro <skip@pobox.com> parents: diff changeset	8 import threading
34363 35f31790c6f9 threading._DummyThread.__init__(): document obscure new code. Tim Peters <tim.peters@gmail.com> parents: 34362 diff changeset	9 import thread
19405 9de83dda9f09 add a few test cases for threading module. Skip Montanaro <skip@pobox.com> parents: diff changeset	10 import time
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	11 import unittest
45477 241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	12 import weakref
19405 9de83dda9f09 add a few test cases for threading module. Skip Montanaro <skip@pobox.com> parents: diff changeset	13
57129 cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	14 from test import lock_tests
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	15
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	16 # A trivial mutable counter.
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	17 class Counter(object):
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	18 def __init__(self):
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	19 self.value = 0
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	20 def inc(self):
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	21 self.value += 1
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	22 def dec(self):
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	23 self.value -= 1
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	24 def get(self):
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	25 return self.value
19405 9de83dda9f09 add a few test cases for threading module. Skip Montanaro <skip@pobox.com> parents: diff changeset	26
9de83dda9f09 add a few test cases for threading module. Skip Montanaro <skip@pobox.com> parents: diff changeset	27 class TestThread(threading.Thread):
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	28 def __init__(self, name, testcase, sema, mutex, nrunning):
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	29 threading.Thread.__init__(self, name=name)
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	30 self.testcase = testcase
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	31 self.sema = sema
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	32 self.mutex = mutex
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	33 self.nrunning = nrunning
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	34
19405 9de83dda9f09 add a few test cases for threading module. Skip Montanaro <skip@pobox.com> parents: diff changeset	35 def run(self):
45975 8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	36 delay = random.random() / 10000.0
19405 9de83dda9f09 add a few test cases for threading module. Skip Montanaro <skip@pobox.com> parents: diff changeset	37 if verbose:
45975 8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	38 print 'task %s will run for %.1f usec' % (
48288 e143a8f35241 backport threading property changes Benjamin Peterson <benjamin@python.org> parents: 48287 diff changeset	39 self.name, delay * 1e6)
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	40
45975 8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	41 with self.sema:
8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	42 with self.mutex:
8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	43 self.nrunning.inc()
8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	44 if verbose:
8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	45 print self.nrunning.get(), 'tasks are running'
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52593 diff changeset	46 self.testcase.assertTrue(self.nrunning.get() <= 3)
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	47
45975 8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	48 time.sleep(delay)
8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	49 if verbose:
48288 e143a8f35241 backport threading property changes Benjamin Peterson <benjamin@python.org> parents: 48287 diff changeset	50 print 'task', self.name, 'done'
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	51
45975 8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	52 with self.mutex:
8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	53 self.nrunning.dec()
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52593 diff changeset	54 self.testcase.assertTrue(self.nrunning.get() >= 0)
45975 8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	55 if verbose:
8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	56 print '%s is finished. %d tasks are running' % (
48288 e143a8f35241 backport threading property changes Benjamin Peterson <benjamin@python.org> parents: 48287 diff changeset	57 self.name, self.nrunning.get())
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	58
56882 5f61bd3aa427 Suppress transient refleaks in test_threading. Antoine Pitrou <solipsis@pitrou.net> parents: 56686 diff changeset	59 class BaseTestCase(unittest.TestCase):
5f61bd3aa427 Suppress transient refleaks in test_threading. Antoine Pitrou <solipsis@pitrou.net> parents: 56686 diff changeset	60 def setUp(self):
5f61bd3aa427 Suppress transient refleaks in test_threading. Antoine Pitrou <solipsis@pitrou.net> parents: 56686 diff changeset	61 self._threads = test.test_support.threading_setup()
5f61bd3aa427 Suppress transient refleaks in test_threading. Antoine Pitrou <solipsis@pitrou.net> parents: 56686 diff changeset	62
5f61bd3aa427 Suppress transient refleaks in test_threading. Antoine Pitrou <solipsis@pitrou.net> parents: 56686 diff changeset	63 def tearDown(self):
5f61bd3aa427 Suppress transient refleaks in test_threading. Antoine Pitrou <solipsis@pitrou.net> parents: 56686 diff changeset	64 test.test_support.threading_cleanup(*self._threads)
5f61bd3aa427 Suppress transient refleaks in test_threading. Antoine Pitrou <solipsis@pitrou.net> parents: 56686 diff changeset	65 test.test_support.reap_children()
5f61bd3aa427 Suppress transient refleaks in test_threading. Antoine Pitrou <solipsis@pitrou.net> parents: 56686 diff changeset	66
5f61bd3aa427 Suppress transient refleaks in test_threading. Antoine Pitrou <solipsis@pitrou.net> parents: 56686 diff changeset	67
5f61bd3aa427 Suppress transient refleaks in test_threading. Antoine Pitrou <solipsis@pitrou.net> parents: 56686 diff changeset	68 class ThreadTests(BaseTestCase):
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	69
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	70 # Create a bunch of threads, let each do some work, wait until all are
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	71 # done.
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	72 def test_various_ops(self):
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	73 # This takes about n/3 seconds to run (about n/3 clumps of tasks,
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	74 # times about 1 second per clump).
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	75 NUMTASKS = 10
19405 9de83dda9f09 add a few test cases for threading module. Skip Montanaro <skip@pobox.com> parents: diff changeset	76
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	77 # no more than 3 of the 10 can run at once
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	78 sema = threading.BoundedSemaphore(value=3)
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	79 mutex = threading.RLock()
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	80 numrunning = Counter()
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	81
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	82 threads = []
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	83
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	84 for i in range(NUMTASKS):
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	85 t = TestThread("<thread %d>"%i, self, sema, mutex, numrunning)
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	86 threads.append(t)
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52593 diff changeset	87 self.assertEqual(t.ident, None)
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52593 diff changeset	88 self.assertTrue(re.match('<TestThread\(.*, initial\)>', repr(t)))
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	89 t.start()
19405 9de83dda9f09 add a few test cases for threading module. Skip Montanaro <skip@pobox.com> parents: diff changeset	90
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	91 if verbose:
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	92 print 'waiting for all tasks to complete'
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	93 for t in threads:
34363 35f31790c6f9 threading._DummyThread.__init__(): document obscure new code. Tim Peters <tim.peters@gmail.com> parents: 34362 diff changeset	94 t.join(NUMTASKS)
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52593 diff changeset	95 self.assertTrue(not t.is_alive())
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52593 diff changeset	96 self.assertNotEqual(t.ident, 0)
52593 587fcfbe08b6 fix Thread.ident when it is the main thread or a dummy thread #5632 Benjamin Peterson <benjamin@python.org> parents: 52579 diff changeset	97 self.assertFalse(t.ident is None)
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52593 diff changeset	98 self.assertTrue(re.match('<TestThread\(.*, \w+ -?\d+\)>', repr(t)))
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	99 if verbose:
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	100 print 'all tasks done'
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	101 self.assertEqual(numrunning.get(), 0)
19405 9de83dda9f09 add a few test cases for threading module. Skip Montanaro <skip@pobox.com> parents: diff changeset	102
52593 587fcfbe08b6 fix Thread.ident when it is the main thread or a dummy thread #5632 Benjamin Peterson <benjamin@python.org> parents: 52579 diff changeset	103 def test_ident_of_no_threading_threads(self):
587fcfbe08b6 fix Thread.ident when it is the main thread or a dummy thread #5632 Benjamin Peterson <benjamin@python.org> parents: 52579 diff changeset	104 # The ident still must work for the main thread and dummy threads.
587fcfbe08b6 fix Thread.ident when it is the main thread or a dummy thread #5632 Benjamin Peterson <benjamin@python.org> parents: 52579 diff changeset	105 self.assertFalse(threading.currentThread().ident is None)
587fcfbe08b6 fix Thread.ident when it is the main thread or a dummy thread #5632 Benjamin Peterson <benjamin@python.org> parents: 52579 diff changeset	106 def f():
587fcfbe08b6 fix Thread.ident when it is the main thread or a dummy thread #5632 Benjamin Peterson <benjamin@python.org> parents: 52579 diff changeset	107 ident.append(threading.currentThread().ident)
587fcfbe08b6 fix Thread.ident when it is the main thread or a dummy thread #5632 Benjamin Peterson <benjamin@python.org> parents: 52579 diff changeset	108 done.set()
587fcfbe08b6 fix Thread.ident when it is the main thread or a dummy thread #5632 Benjamin Peterson <benjamin@python.org> parents: 52579 diff changeset	109 done = threading.Event()
587fcfbe08b6 fix Thread.ident when it is the main thread or a dummy thread #5632 Benjamin Peterson <benjamin@python.org> parents: 52579 diff changeset	110 ident = []
587fcfbe08b6 fix Thread.ident when it is the main thread or a dummy thread #5632 Benjamin Peterson <benjamin@python.org> parents: 52579 diff changeset	111 thread.start_new_thread(f, ())
587fcfbe08b6 fix Thread.ident when it is the main thread or a dummy thread #5632 Benjamin Peterson <benjamin@python.org> parents: 52579 diff changeset	112 done.wait()
587fcfbe08b6 fix Thread.ident when it is the main thread or a dummy thread #5632 Benjamin Peterson <benjamin@python.org> parents: 52579 diff changeset	113 self.assertFalse(ident[0] is None)
57138 6f5f481d619c Kill a small potential leak in test_threading. Antoine Pitrou <solipsis@pitrou.net> parents: 57129 diff changeset	114 # Kill the "immortal" _DummyThread
6f5f481d619c Kill a small potential leak in test_threading. Antoine Pitrou <solipsis@pitrou.net> parents: 57129 diff changeset	115 del threading._active[ident[0]]
52593 587fcfbe08b6 fix Thread.ident when it is the main thread or a dummy thread #5632 Benjamin Peterson <benjamin@python.org> parents: 52579 diff changeset	116
38802 6e0c0c7cf068 Increase the small thread stack size to get the test Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38794 diff changeset	117 # run with a small(ish) thread stack size (256kB)
38794 f7d23bca599f Patch #1454481: Make thread stack size runtime tunable. Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38592 diff changeset	118 def test_various_ops_small_stack(self):
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable. Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38592 diff changeset	119 if verbose:
38802 6e0c0c7cf068 Increase the small thread stack size to get the test Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38794 diff changeset	120 print 'with 256kB thread stack size...'
39389 fc101cc354a7 test_threading now skips testing alternate thread stack sizes on Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38802 diff changeset	121 try:
fc101cc354a7 test_threading now skips testing alternate thread stack sizes on Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38802 diff changeset	122 threading.stack_size(262144)
fc101cc354a7 test_threading now skips testing alternate thread stack sizes on Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38802 diff changeset	123 except thread.error:
fc101cc354a7 test_threading now skips testing alternate thread stack sizes on Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38802 diff changeset	124 if verbose:
fc101cc354a7 test_threading now skips testing alternate thread stack sizes on Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38802 diff changeset	125 print 'platform does not support changing thread stack size'
fc101cc354a7 test_threading now skips testing alternate thread stack sizes on Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38802 diff changeset	126 return
38794 f7d23bca599f Patch #1454481: Make thread stack size runtime tunable. Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38592 diff changeset	127 self.test_various_ops()
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable. Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38592 diff changeset	128 threading.stack_size(0)
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable. Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38592 diff changeset	129
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable. Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38592 diff changeset	130 # run with a large thread stack size (1MB)
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable. Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38592 diff changeset	131 def test_various_ops_large_stack(self):
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable. Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38592 diff changeset	132 if verbose:
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable. Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38592 diff changeset	133 print 'with 1MB thread stack size...'
39389 fc101cc354a7 test_threading now skips testing alternate thread stack sizes on Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38802 diff changeset	134 try:
fc101cc354a7 test_threading now skips testing alternate thread stack sizes on Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38802 diff changeset	135 threading.stack_size(0x100000)
fc101cc354a7 test_threading now skips testing alternate thread stack sizes on Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38802 diff changeset	136 except thread.error:
fc101cc354a7 test_threading now skips testing alternate thread stack sizes on Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38802 diff changeset	137 if verbose:
fc101cc354a7 test_threading now skips testing alternate thread stack sizes on Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38802 diff changeset	138 print 'platform does not support changing thread stack size'
fc101cc354a7 test_threading now skips testing alternate thread stack sizes on Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38802 diff changeset	139 return
38794 f7d23bca599f Patch #1454481: Make thread stack size runtime tunable. Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38592 diff changeset	140 self.test_various_ops()
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable. Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38592 diff changeset	141 threading.stack_size(0)
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable. Andrew MacIntyre <andymac@bullseye.apana.org.au> parents: 38592 diff changeset	142
34363 35f31790c6f9 threading._DummyThread.__init__(): document obscure new code. Tim Peters <tim.peters@gmail.com> parents: 34362 diff changeset	143 def test_foreign_thread(self):
35f31790c6f9 threading._DummyThread.__init__(): document obscure new code. Tim Peters <tim.peters@gmail.com> parents: 34362 diff changeset	144 # Check that a "foreign" thread can use the threading module.
35f31790c6f9 threading._DummyThread.__init__(): document obscure new code. Tim Peters <tim.peters@gmail.com> parents: 34362 diff changeset	145 def f(mutex):
57157 fbf41b1124d8 Issue #7282: Fix a memory leak when an RLock was used in a thread other Antoine Pitrou <solipsis@pitrou.net> parents: 57138 diff changeset	146 # Calling current_thread() forces an entry for the foreign
34363 35f31790c6f9 threading._DummyThread.__init__(): document obscure new code. Tim Peters <tim.peters@gmail.com> parents: 34362 diff changeset	147 # thread to get made in the threading._active map.
57157 fbf41b1124d8 Issue #7282: Fix a memory leak when an RLock was used in a thread other Antoine Pitrou <solipsis@pitrou.net> parents: 57138 diff changeset	148 threading.current_thread()
34363 35f31790c6f9 threading._DummyThread.__init__(): document obscure new code. Tim Peters <tim.peters@gmail.com> parents: 34362 diff changeset	149 mutex.release()
35f31790c6f9 threading._DummyThread.__init__(): document obscure new code. Tim Peters <tim.peters@gmail.com> parents: 34362 diff changeset	150
35f31790c6f9 threading._DummyThread.__init__(): document obscure new code. Tim Peters <tim.peters@gmail.com> parents: 34362 diff changeset	151 mutex = threading.Lock()
35f31790c6f9 threading._DummyThread.__init__(): document obscure new code. Tim Peters <tim.peters@gmail.com> parents: 34362 diff changeset	152 mutex.acquire()
35f31790c6f9 threading._DummyThread.__init__(): document obscure new code. Tim Peters <tim.peters@gmail.com> parents: 34362 diff changeset	153 tid = thread.start_new_thread(f, (mutex,))
35f31790c6f9 threading._DummyThread.__init__(): document obscure new code. Tim Peters <tim.peters@gmail.com> parents: 34362 diff changeset	154 # Wait for the thread to finish.
35f31790c6f9 threading._DummyThread.__init__(): document obscure new code. Tim Peters <tim.peters@gmail.com> parents: 34362 diff changeset	155 mutex.acquire()
58460 17891566a478 use assert[Not]In where appropriate Ezio Melotti <ezio.melotti@gmail.com> parents: 57157 diff changeset	156 self.assertIn(tid, threading._active)
58472 6ffcdafa0118 use assert[Not]IsInstance where appropriate Ezio Melotti <ezio.melotti@gmail.com> parents: 58460 diff changeset	157 self.assertIsInstance(threading._active[tid], threading._DummyThread)
34363 35f31790c6f9 threading._DummyThread.__init__(): document obscure new code. Tim Peters <tim.peters@gmail.com> parents: 34362 diff changeset	158 del threading._active[tid]
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	159
39431 de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	160 # PyThreadState_SetAsyncExc() is a CPython-only gimmick, not (currently)
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	161 # exposed at the Python level. This test relies on ctypes to get at it.
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	162 def test_PyThreadState_SetAsyncExc(self):
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	163 try:
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	164 import ctypes
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	165 except ImportError:
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	166 if verbose:
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	167 print "test_PyThreadState_SetAsyncExc can't import ctypes"
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	168 return # can't do anything
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	169
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	170 set_async_exc = ctypes.pythonapi.PyThreadState_SetAsyncExc
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	171
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	172 class AsyncExc(Exception):
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	173 pass
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	174
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	175 exception = ctypes.py_object(AsyncExc)
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	176
56598 a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	177 # First check it works when setting the exception from the same thread.
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	178 tid = thread.get_ident()
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	179
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	180 try:
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	181 result = set_async_exc(ctypes.c_long(tid), exception)
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	182 # The exception is async, so we might have to keep the VM busy until
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	183 # it notices.
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	184 while True:
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	185 pass
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	186 except AsyncExc:
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	187 pass
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	188 else:
56600 25ef6f4818a0 Add a comment about unreachable code, and fix a typo Antoine Pitrou <solipsis@pitrou.net> parents: 56598 diff changeset	189 # This code is unreachable but it reflects the intent. If we wanted
25ef6f4818a0 Add a comment about unreachable code, and fix a typo Antoine Pitrou <solipsis@pitrou.net> parents: 56598 diff changeset	190 # to be smarter the above loop wouldn't be infinite.
56598 a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	191 self.fail("AsyncExc not raised")
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	192 try:
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	193 self.assertEqual(result, 1) # one thread state modified
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	194 except UnboundLocalError:
56600 25ef6f4818a0 Add a comment about unreachable code, and fix a typo Antoine Pitrou <solipsis@pitrou.net> parents: 56598 diff changeset	195 # The exception was raised too quickly for us to get the result.
56598 a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	196 pass
a0e41dfb972b Add a test for same-thread asynchronous exceptions (see #1779233). Antoine Pitrou <solipsis@pitrou.net> parents: 55002 diff changeset	197
39431 de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	198 # `worker_started` is set by the thread when it's inside a try/except
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	199 # block waiting to catch the asynchronously set AsyncExc exception.
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	200 # `worker_saw_exception` is set by the thread upon catching that
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	201 # exception.
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	202 worker_started = threading.Event()
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	203 worker_saw_exception = threading.Event()
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	204
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	205 class Worker(threading.Thread):
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	206 def run(self):
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	207 self.id = thread.get_ident()
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	208 self.finished = False
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	209
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	210 try:
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	211 while True:
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	212 worker_started.set()
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	213 time.sleep(0.1)
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	214 except AsyncExc:
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	215 self.finished = True
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	216 worker_saw_exception.set()
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	217
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	218 t = Worker()
48288 e143a8f35241 backport threading property changes Benjamin Peterson <benjamin@python.org> parents: 48287 diff changeset	219 t.daemon = True # so if this fails, we don't hang Python at shutdown
39434 be107b04c252 test_PyThreadState_SetAsyncExc(): This is failing on some Tim Peters <tim.peters@gmail.com> parents: 39431 diff changeset	220 t.start()
39431 de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	221 if verbose:
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	222 print " started worker thread"
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	223
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	224 # Try a thread id that doesn't make sense.
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	225 if verbose:
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	226 print " trying nonsensical thread id"
39434 be107b04c252 test_PyThreadState_SetAsyncExc(): This is failing on some Tim Peters <tim.peters@gmail.com> parents: 39431 diff changeset	227 result = set_async_exc(ctypes.c_long(-1), exception)
39431 de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	228 self.assertEqual(result, 0) # no thread states modified
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	229
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	230 # Now raise an exception in the worker thread.
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	231 if verbose:
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	232 print " waiting for worker thread to get started"
52579 b5aa8aa78c0f #1674032: return value of flag from Event.wait(). OKed by Guido. Georg Brandl <georg@python.org> parents: 49361 diff changeset	233 ret = worker_started.wait()
b5aa8aa78c0f #1674032: return value of flag from Event.wait(). OKed by Guido. Georg Brandl <georg@python.org> parents: 49361 diff changeset	234 self.assertTrue(ret)
39431 de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	235 if verbose:
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	236 print " verifying worker hasn't exited"
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52593 diff changeset	237 self.assertTrue(not t.finished)
39431 de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	238 if verbose:
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	239 print " attempting to raise asynch exception in worker"
39434 be107b04c252 test_PyThreadState_SetAsyncExc(): This is failing on some Tim Peters <tim.peters@gmail.com> parents: 39431 diff changeset	240 result = set_async_exc(ctypes.c_long(t.id), exception)
39431 de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	241 self.assertEqual(result, 1) # one thread state modified
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	242 if verbose:
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	243 print " waiting for worker to say it caught the exception"
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	244 worker_saw_exception.wait(timeout=10)
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52593 diff changeset	245 self.assertTrue(t.finished)
39431 de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	246 if verbose:
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	247 print " all OK -- joining worker"
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	248 if t.finished:
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	249 t.join()
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	250 # else the thread is still running, and we have no way to kill it
de9e1a5dca93 Followup to bug #1069160. Tim Peters <tim.peters@gmail.com> parents: 39389 diff changeset	251
44063 4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	252 def test_finalize_runnning_thread(self):
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	253 # Issue 1402: the PyGILState_Ensure / _Release functions may be called
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	254 # very late on python exit: on deallocation of a running thread for
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	255 # example.
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	256 try:
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	257 import ctypes
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	258 except ImportError:
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	259 if verbose:
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	260 print("test_finalize_with_runnning_thread can't import ctypes")
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	261 return # can't do anything
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	262
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	263 import subprocess
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	264 rc = subprocess.call([sys.executable, "-c", """if 1:
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	265 import ctypes, sys, time, thread
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	266
45975 8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	267 # This lock is used as a simple event variable.
8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	268 ready = thread.allocate_lock()
8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	269 ready.acquire()
8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	270
44063 4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	271 # Module globals are cleared before __del__ is run
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	272 # So we save the functions in class dict
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	273 class C:
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	274 ensure = ctypes.pythonapi.PyGILState_Ensure
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	275 release = ctypes.pythonapi.PyGILState_Release
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	276 def __del__(self):
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	277 state = self.ensure()
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	278 self.release(state)
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	279
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	280 def waitingThread():
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	281 x = C()
45975 8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	282 ready.release()
44063 4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	283 time.sleep(100)
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	284
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	285 thread.start_new_thread(waitingThread, ())
45975 8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	286 ready.acquire() # Be sure the other thread is waiting.
44063 4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	287 sys.exit(42)
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	288 """])
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	289 self.assertEqual(rc, 42)
4417ab5b351e Issue #1402: PyInterpreterState_Clear() may still invoke user code Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 41960 diff changeset	290
46280 76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	291 def test_finalize_with_trace(self):
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	292 # Issue1733757
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	293 # Avoid a deadlock when sys.settrace steps into threading._shutdown
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	294 import subprocess
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	295 rc = subprocess.call([sys.executable, "-c", """if 1:
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	296 import sys, threading
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	297
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	298 # A deadlock-killer, to prevent the
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	299 # testsuite to hang forever
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	300 def killer():
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	301 import os, time
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	302 time.sleep(2)
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	303 print 'program blocked; aborting'
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	304 os._exit(2)
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	305 t = threading.Thread(target=killer)
48288 e143a8f35241 backport threading property changes Benjamin Peterson <benjamin@python.org> parents: 48287 diff changeset	306 t.daemon = True
46280 76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	307 t.start()
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	308
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	309 # This is the trace function
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	310 def func(frame, event, arg):
47598 c349f9fbc704 give the threading API PEP 8 names Benjamin Peterson <benjamin@python.org> parents: 47438 diff changeset	311 threading.current_thread()
46280 76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	312 return func
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	313
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	314 sys.settrace(func)
76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	315 """])
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52593 diff changeset	316 self.assertFalse(rc == 2, "interpreted was blocked")
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52593 diff changeset	317 self.assertTrue(rc == 0, "Unexpected error")
46280 76f577a9ec03 #1733757: the interpreter would hang on shutdown, if the function set by sys.settrace Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 46146 diff changeset	318
56645 12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	319 def test_join_nondaemon_on_shutdown(self):
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	320 # Issue 1722344
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	321 # Raising SystemExit skipped threading._shutdown
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	322 import subprocess
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	323 p = subprocess.Popen([sys.executable, "-c", """if 1:
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	324 import threading
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	325 from time import sleep
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	326
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	327 def child():
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	328 sleep(1)
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	329 # As a non-daemon thread we SHOULD wake up and nothing
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	330 # should be torn down yet
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	331 print "Woke up, sleep function is:", sleep
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	332
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	333 threading.Thread(target=child).start()
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	334 raise SystemExit
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	335 """],
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	336 stdout=subprocess.PIPE,
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	337 stderr=subprocess.PIPE)
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	338 stdout, stderr = p.communicate()
56686 92dde282153d Fix Windows buildbot failure Antoine Pitrou <solipsis@pitrou.net> parents: 56649 diff changeset	339 self.assertEqual(stdout.strip(),
92dde282153d Fix Windows buildbot failure Antoine Pitrou <solipsis@pitrou.net> parents: 56649 diff changeset	340 "Woke up, sleep function is: <built-in function sleep>")
56649 3cfd20cd6459 Test wouldn't work in debug mode. Antoine Pitrou <solipsis@pitrou.net> parents: 56645 diff changeset	341 stderr = re.sub(r"^\[\d+ refs\]", "", stderr, re.MULTILINE).strip()
56645 12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	342 self.assertEqual(stderr, "")
12079c3d4b77 Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which Antoine Pitrou <solipsis@pitrou.net> parents: 56600 diff changeset	343
44870 fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	344 def test_enumerate_after_join(self):
fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	345 # Try hard to trigger #1703448: a thread is still returned in
fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	346 # threading.enumerate() after it has been join()ed.
fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	347 enum = threading.enumerate
fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	348 old_interval = sys.getcheckinterval()
fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	349 try:
45975 8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	350 for i in xrange(1, 100):
8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	351 # Try a couple times at each thread-switching interval
8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	352 # to get more interleavings.
8ef05aceef2b Speed test_threading up from 14s to .5s, and avoid a deadlock on certain Jeffrey Yasskin <jyasskin@gmail.com> parents: 45478 diff changeset	353 sys.setcheckinterval(i // 5)
44870 fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	354 t = threading.Thread(target=lambda: None)
fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	355 t.start()
fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	356 t.join()
fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	357 l = enum()
58460 17891566a478 use assert[Not]In where appropriate Ezio Melotti <ezio.melotti@gmail.com> parents: 57157 diff changeset	358 self.assertNotIn(t, l,
44870 fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	359 "#1703448 triggered after %d trials: %s" % (i, l))
fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	360 finally:
fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	361 sys.setcheckinterval(old_interval)
fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	362
45477 241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	363 def test_no_refcycle_through_target(self):
241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	364 class RunSelfFunction(object):
45478 9f183ae3458b Followup to r61011: Also avoid the reference cycle when the Thread's target Jeffrey Yasskin <jyasskin@gmail.com> parents: 45477 diff changeset	365 def __init__(self, should_raise):
45477 241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	366 # The links in this refcycle from Thread back to self
241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	367 # should be cleaned up when the thread completes.
45478 9f183ae3458b Followup to r61011: Also avoid the reference cycle when the Thread's target Jeffrey Yasskin <jyasskin@gmail.com> parents: 45477 diff changeset	368 self.should_raise = should_raise
45477 241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	369 self.thread = threading.Thread(target=self._run,
241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	370 args=(self,),
241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	371 kwargs={'yet_another':self})
241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	372 self.thread.start()
241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	373
241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	374 def _run(self, other_ref, yet_another):
45478 9f183ae3458b Followup to r61011: Also avoid the reference cycle when the Thread's target Jeffrey Yasskin <jyasskin@gmail.com> parents: 45477 diff changeset	375 if self.should_raise:
9f183ae3458b Followup to r61011: Also avoid the reference cycle when the Thread's target Jeffrey Yasskin <jyasskin@gmail.com> parents: 45477 diff changeset	376 raise SystemExit
45477 241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	377
45478 9f183ae3458b Followup to r61011: Also avoid the reference cycle when the Thread's target Jeffrey Yasskin <jyasskin@gmail.com> parents: 45477 diff changeset	378 cyclic_object = RunSelfFunction(should_raise=False)
45477 241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	379 weak_cyclic_object = weakref.ref(cyclic_object)
241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	380 cyclic_object.thread.join()
241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	381 del cyclic_object
46146 10a39a662e69 Kill a race in test_threading in which the exception info in a thread finishing Jeffrey Yasskin <jyasskin@gmail.com> parents: 45975 diff changeset	382 self.assertEquals(None, weak_cyclic_object(),
10a39a662e69 Kill a race in test_threading in which the exception info in a thread finishing Jeffrey Yasskin <jyasskin@gmail.com> parents: 45975 diff changeset	383 msg=('%d references still around' %
10a39a662e69 Kill a race in test_threading in which the exception info in a thread finishing Jeffrey Yasskin <jyasskin@gmail.com> parents: 45975 diff changeset	384 sys.getrefcount(weak_cyclic_object())))
45477 241cf81a0508 Prevent classes like: Jeffrey Yasskin <jyasskin@gmail.com> parents: 44870 diff changeset	385
45478 9f183ae3458b Followup to r61011: Also avoid the reference cycle when the Thread's target Jeffrey Yasskin <jyasskin@gmail.com> parents: 45477 diff changeset	386 raising_cyclic_object = RunSelfFunction(should_raise=True)
9f183ae3458b Followup to r61011: Also avoid the reference cycle when the Thread's target Jeffrey Yasskin <jyasskin@gmail.com> parents: 45477 diff changeset	387 weak_raising_cyclic_object = weakref.ref(raising_cyclic_object)
9f183ae3458b Followup to r61011: Also avoid the reference cycle when the Thread's target Jeffrey Yasskin <jyasskin@gmail.com> parents: 45477 diff changeset	388 raising_cyclic_object.thread.join()
9f183ae3458b Followup to r61011: Also avoid the reference cycle when the Thread's target Jeffrey Yasskin <jyasskin@gmail.com> parents: 45477 diff changeset	389 del raising_cyclic_object
46146 10a39a662e69 Kill a race in test_threading in which the exception info in a thread finishing Jeffrey Yasskin <jyasskin@gmail.com> parents: 45975 diff changeset	390 self.assertEquals(None, weak_raising_cyclic_object(),
10a39a662e69 Kill a race in test_threading in which the exception info in a thread finishing Jeffrey Yasskin <jyasskin@gmail.com> parents: 45975 diff changeset	391 msg=('%d references still around' %
10a39a662e69 Kill a race in test_threading in which the exception info in a thread finishing Jeffrey Yasskin <jyasskin@gmail.com> parents: 45975 diff changeset	392 sys.getrefcount(weak_raising_cyclic_object())))
45478 9f183ae3458b Followup to r61011: Also avoid the reference cycle when the Thread's target Jeffrey Yasskin <jyasskin@gmail.com> parents: 45477 diff changeset	393
44870 fe7d423474de - Fix Issue #1703448: A joined thread could show up in the Gregory P. Smith <greg@mad-scientist.com> parents: 44063 diff changeset	394
56882 5f61bd3aa427 Suppress transient refleaks in test_threading. Antoine Pitrou <solipsis@pitrou.net> parents: 56686 diff changeset	395 class ThreadJoinOnShutdown(BaseTestCase):
47985 09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	396
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	397 def _run_and_join(self, script):
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	398 script = """if 1:
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	399 import sys, os, time, threading
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	400
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	401 # a thread, which waits for the main program to terminate
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	402 def joiningfunc(mainthread):
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	403 mainthread.join()
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	404 print 'end of thread'
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	405 \n""" + script
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	406
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	407 import subprocess
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	408 p = subprocess.Popen([sys.executable, "-c", script], stdout=subprocess.PIPE)
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	409 rc = p.wait()
47999 45233d4c18d2 try to fix test_threading on the Windows bot Benjamin Peterson <benjamin@python.org> parents: 47985 diff changeset	410 data = p.stdout.read().replace('\r', '')
45233d4c18d2 try to fix test_threading on the Windows bot Benjamin Peterson <benjamin@python.org> parents: 47985 diff changeset	411 self.assertEqual(data, "end of main\nend of thread\n")
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52593 diff changeset	412 self.assertFalse(rc == 2, "interpreter was blocked")
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52593 diff changeset	413 self.assertTrue(rc == 0, "Unexpected error")
47985 09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	414
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	415 def test_1_join_on_shutdown(self):
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	416 # The usual case: on exit, wait for a non-daemon thread
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	417 script = """if 1:
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	418 import os
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	419 t = threading.Thread(target=joiningfunc,
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	420 args=(threading.current_thread(),))
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	421 t.start()
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	422 time.sleep(0.1)
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	423 print 'end of main'
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	424 """
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	425 self._run_and_join(script)
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	426
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	427
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	428 def test_2_join_in_forked_process(self):
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	429 # Like the test above, but from a forked interpreter
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	430 import os
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	431 if not hasattr(os, 'fork'):
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	432 return
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	433 script = """if 1:
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	434 childpid = os.fork()
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	435 if childpid != 0:
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	436 os.waitpid(childpid, 0)
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	437 sys.exit(0)
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	438
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	439 t = threading.Thread(target=joiningfunc,
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	440 args=(threading.current_thread(),))
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	441 t.start()
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	442 print 'end of main'
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	443 """
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	444 self._run_and_join(script)
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	445
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	446 def test_3_join_in_forked_from_thread(self):
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	447 # Like the test above, but fork() was called from a worker thread
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	448 # In the forked process, the main Thread object must be marked as stopped.
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	449 import os
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	450 if not hasattr(os, 'fork'):
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	451 return
49361 eed4d533332f Works around issue3863: freebsd4/5/6 and os2emx are known to have OS bugs when Gregory P. Smith <greg@mad-scientist.com> parents: 48288 diff changeset	452 # Skip platforms with known problems forking from a worker thread.
eed4d533332f Works around issue3863: freebsd4/5/6 and os2emx are known to have OS bugs when Gregory P. Smith <greg@mad-scientist.com> parents: 48288 diff changeset	453 # See http://bugs.python.org/issue3863.
eed4d533332f Works around issue3863: freebsd4/5/6 and os2emx are known to have OS bugs when Gregory P. Smith <greg@mad-scientist.com> parents: 48288 diff changeset	454 if sys.platform in ('freebsd4', 'freebsd5', 'freebsd6', 'os2emx'):
eed4d533332f Works around issue3863: freebsd4/5/6 and os2emx are known to have OS bugs when Gregory P. Smith <greg@mad-scientist.com> parents: 48288 diff changeset	455 print >>sys.stderr, ('Skipping test_3_join_in_forked_from_thread'
eed4d533332f Works around issue3863: freebsd4/5/6 and os2emx are known to have OS bugs when Gregory P. Smith <greg@mad-scientist.com> parents: 48288 diff changeset	456 ' due to known OS bugs on'), sys.platform
eed4d533332f Works around issue3863: freebsd4/5/6 and os2emx are known to have OS bugs when Gregory P. Smith <greg@mad-scientist.com> parents: 48288 diff changeset	457 return
47985 09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	458 script = """if 1:
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	459 main_thread = threading.current_thread()
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	460 def worker():
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	461 childpid = os.fork()
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	462 if childpid != 0:
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	463 os.waitpid(childpid, 0)
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	464 sys.exit(0)
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	465
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	466 t = threading.Thread(target=joiningfunc,
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	467 args=(main_thread,))
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	468 print 'end of main'
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	469 t.start()
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	470 t.join() # Should not block: main_thread is already stopped
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	471
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	472 w = threading.Thread(target=worker)
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	473 w.start()
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	474 """
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	475 self._run_and_join(script)
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	476
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	477
56882 5f61bd3aa427 Suppress transient refleaks in test_threading. Antoine Pitrou <solipsis@pitrou.net> parents: 56686 diff changeset	478 class ThreadingExceptionTests(BaseTestCase):
41960 588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	479 # A RuntimeError should be raised if Thread.start() is called
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	480 # multiple times.
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	481 def test_start_thread_again(self):
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	482 thread = threading.Thread()
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	483 thread.start()
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	484 self.assertRaises(RuntimeError, thread.start)
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	485
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	486 def test_joining_current_thread(self):
47598 c349f9fbc704 give the threading API PEP 8 names Benjamin Peterson <benjamin@python.org> parents: 47438 diff changeset	487 current_thread = threading.current_thread()
c349f9fbc704 give the threading API PEP 8 names Benjamin Peterson <benjamin@python.org> parents: 47438 diff changeset	488 self.assertRaises(RuntimeError, current_thread.join);
41960 588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	489
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	490 def test_joining_inactive_thread(self):
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	491 thread = threading.Thread()
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	492 self.assertRaises(RuntimeError, thread.join)
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	493
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	494 def test_daemonize_active_thread(self):
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	495 thread = threading.Thread()
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	496 thread.start()
48288 e143a8f35241 backport threading property changes Benjamin Peterson <benjamin@python.org> parents: 48287 diff changeset	497 self.assertRaises(RuntimeError, setattr, thread, "daemon", True)
41960 588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	498
588686d4c2cf Patch #1731049: make threading.py use a proper "raise" when checking internal state, rather than assert statements (which get stripped out by -O). Collin Winter <collinw@gmail.com> parents: 39434 diff changeset	499
57129 cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	500 class LockTests(lock_tests.LockTests):
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	501 locktype = staticmethod(threading.Lock)
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	502
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	503 class RLockTests(lock_tests.RLockTests):
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	504 locktype = staticmethod(threading.RLock)
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	505
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	506 class EventTests(lock_tests.EventTests):
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	507 eventtype = staticmethod(threading.Event)
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	508
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	509 class ConditionAsRLockTests(lock_tests.RLockTests):
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	510 # An Condition uses an RLock by default and exports its API.
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	511 locktype = staticmethod(threading.Condition)
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	512
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	513 class ConditionTests(lock_tests.ConditionTests):
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	514 condtype = staticmethod(threading.Condition)
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	515
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	516 class SemaphoreTests(lock_tests.SemaphoreTests):
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	517 semtype = staticmethod(threading.Semaphore)
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	518
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	519 class BoundedSemaphoreTests(lock_tests.BoundedSemaphoreTests):
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	520 semtype = staticmethod(threading.BoundedSemaphore)
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	521
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	522
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	523 def test_main():
57129 cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	524 test.test_support.run_unittest(LockTests, RLockTests, EventTests,
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	525 ConditionAsRLockTests, ConditionTests,
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	526 SemaphoreTests, BoundedSemaphoreTests,
cd360ac58cd2 Issue #7270: Add some dedicated unit tests for multi-thread synchronization Antoine Pitrou <solipsis@pitrou.net> parents: 56882 diff changeset	527 ThreadTests,
47985 09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	528 ThreadJoinOnShutdown,
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	529 ThreadingExceptionTests,
09beb96ba20d Apply patch for 874900: threading module can deadlock after fork Jesse Noller <jnoller@gmail.com> parents: 47598 diff changeset	530 )
34362 cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	531
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	532 if __name__ == "__main__":
cc27b249755d Converted to a unittest. Added checks that the bounded semaphore actually Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	533 test_main()

Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_threading.py @ 58765:2ba7677bfa95 legacy-trunk