| 1 | n/a | from test import support |
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| 2 | n/a | import unittest |
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| 3 | n/a | import dummy_threading as _threading |
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| 4 | n/a | import time |
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| 5 | n/a | |
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| 6 | n/a | class DummyThreadingTestCase(unittest.TestCase): |
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| 7 | n/a | |
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| 8 | n/a | class TestThread(_threading.Thread): |
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| 9 | n/a | |
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| 10 | n/a | def run(self): |
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| 11 | n/a | global running |
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| 12 | n/a | global sema |
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| 13 | n/a | global mutex |
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| 14 | n/a | # Uncomment if testing another module, such as the real 'threading' |
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| 15 | n/a | # module. |
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| 16 | n/a | #delay = random.random() * 2 |
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| 17 | n/a | delay = 0 |
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| 18 | n/a | if support.verbose: |
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| 19 | n/a | print('task', self.name, 'will run for', delay, 'sec') |
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| 20 | n/a | sema.acquire() |
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| 21 | n/a | mutex.acquire() |
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| 22 | n/a | running += 1 |
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| 23 | n/a | if support.verbose: |
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| 24 | n/a | print(running, 'tasks are running') |
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| 25 | n/a | mutex.release() |
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| 26 | n/a | time.sleep(delay) |
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| 27 | n/a | if support.verbose: |
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| 28 | n/a | print('task', self.name, 'done') |
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| 29 | n/a | mutex.acquire() |
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| 30 | n/a | running -= 1 |
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| 31 | n/a | if support.verbose: |
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| 32 | n/a | print(self.name, 'is finished.', running, 'tasks are running') |
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| 33 | n/a | mutex.release() |
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| 34 | n/a | sema.release() |
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| 35 | n/a | |
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| 36 | n/a | def setUp(self): |
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| 37 | n/a | self.numtasks = 10 |
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| 38 | n/a | global sema |
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| 39 | n/a | sema = _threading.BoundedSemaphore(value=3) |
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| 40 | n/a | global mutex |
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| 41 | n/a | mutex = _threading.RLock() |
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| 42 | n/a | global running |
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| 43 | n/a | running = 0 |
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| 44 | n/a | self.threads = [] |
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| 45 | n/a | |
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| 46 | n/a | def test_tasks(self): |
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| 47 | n/a | for i in range(self.numtasks): |
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| 48 | n/a | t = self.TestThread(name="<thread %d>"%i) |
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| 49 | n/a | self.threads.append(t) |
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| 50 | n/a | t.start() |
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| 51 | n/a | |
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| 52 | n/a | if support.verbose: |
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| 53 | n/a | print('waiting for all tasks to complete') |
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| 54 | n/a | for t in self.threads: |
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| 55 | n/a | t.join() |
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| 56 | n/a | if support.verbose: |
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| 57 | n/a | print('all tasks done') |
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| 58 | n/a | |
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| 59 | n/a | if __name__ == '__main__': |
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| 60 | n/a | unittest.main() |
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