Python threading.BrokenBarrierError() Examples

The following are 30 code examples for showing how to use threading.BrokenBarrierError(). These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.

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Example 1
Project: eventsourcing   Author: johnbywater   File: runner.py    License: BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up
def run(self) -> None:
        while not self.stop_event.is_set():

            try:
                self.fetch_barrier.wait()
                self.execute_barrier.wait()
                self.execute_barrier.wait()
                self.call_commands()
            except BrokenBarrierError:
                self.fetch_barrier.abort()
                self.execute_barrier.abort()
                self.stop_event.set()
            else:
                tick_time = time.time()
                process_time = time.process_time()
                if self.last_tick_time:
                    self.do_tick(process_time, tick_time)

                self.last_tick_time = tick_time
                self.last_process_time = process_time
                self.tick_count += 1

                if self.tick_interval:
                    sleep_interval = self.tick_interval - self.tick_adjustment
                    sleep(max(sleep_interval, 0)) 
Example 2
Project: Fluid-Designer   Author: Microvellum   File: lock_tests.py    License: GNU General Public License v3.0 6 votes vote down vote up
def test_abort(self):
        """
        Test that an abort will put the barrier in a broken state
        """
        results1 = []
        results2 = []
        def f():
            try:
                i = self.barrier.wait()
                if i == self.N//2:
                    raise RuntimeError
                self.barrier.wait()
                results1.append(True)
            except threading.BrokenBarrierError:
                results2.append(True)
            except RuntimeError:
                self.barrier.abort()
                pass

        self.run_threads(f)
        self.assertEqual(len(results1), 0)
        self.assertEqual(len(results2), self.N-1)
        self.assertTrue(self.barrier.broken) 
Example 3
Project: Fluid-Designer   Author: Microvellum   File: _test_multiprocessing.py    License: GNU General Public License v3.0 6 votes vote down vote up
def _test_reset_f(cls, barrier, results1, results2, results3):
        i = barrier.wait()
        if i == cls.N//2:
            # Wait until the other threads are all in the barrier.
            while barrier.n_waiting < cls.N-1:
                time.sleep(0.001)
            barrier.reset()
        else:
            try:
                barrier.wait()
                results1.append(True)
            except threading.BrokenBarrierError:
                results2.append(True)
        # Now, pass the barrier again
        barrier.wait()
        results3.append(True) 
Example 4
Project: Fluid-Designer   Author: Microvellum   File: _test_multiprocessing.py    License: GNU General Public License v3.0 6 votes vote down vote up
def _test_abort_and_reset_f(cls, barrier, barrier2,
                                results1, results2, results3):
        try:
            i = barrier.wait()
            if i == cls.N//2:
                raise RuntimeError
            barrier.wait()
            results1.append(True)
        except threading.BrokenBarrierError:
            results2.append(True)
        except RuntimeError:
            barrier.abort()
        # Synchronize and reset the barrier.  Must synchronize first so
        # that everyone has left it when we reset, and after so that no
        # one enters it before the reset.
        if barrier2.wait() == cls.N//2:
            barrier.reset()
        barrier2.wait()
        barrier.wait()
        results3.append(True) 
Example 5
Project: ironpython3   Author: IronLanguages   File: lock_tests.py    License: Apache License 2.0 6 votes vote down vote up
def test_abort(self):
        """
        Test that an abort will put the barrier in a broken state
        """
        results1 = []
        results2 = []
        def f():
            try:
                i = self.barrier.wait()
                if i == self.N//2:
                    raise RuntimeError
                self.barrier.wait()
                results1.append(True)
            except threading.BrokenBarrierError:
                results2.append(True)
            except RuntimeError:
                self.barrier.abort()
                pass

        self.run_threads(f)
        self.assertEqual(len(results1), 0)
        self.assertEqual(len(results2), self.N-1)
        self.assertTrue(self.barrier.broken) 
Example 6
Project: ironpython3   Author: IronLanguages   File: _test_multiprocessing.py    License: Apache License 2.0 6 votes vote down vote up
def _test_reset_f(cls, barrier, results1, results2, results3):
        i = barrier.wait()
        if i == cls.N//2:
            # Wait until the other threads are all in the barrier.
            while barrier.n_waiting < cls.N-1:
                time.sleep(0.001)
            barrier.reset()
        else:
            try:
                barrier.wait()
                results1.append(True)
            except threading.BrokenBarrierError:
                results2.append(True)
        # Now, pass the barrier again
        barrier.wait()
        results3.append(True) 
Example 7
Project: ironpython3   Author: IronLanguages   File: _test_multiprocessing.py    License: Apache License 2.0 6 votes vote down vote up
def _test_abort_and_reset_f(cls, barrier, barrier2,
                                results1, results2, results3):
        try:
            i = barrier.wait()
            if i == cls.N//2:
                raise RuntimeError
            barrier.wait()
            results1.append(True)
        except threading.BrokenBarrierError:
            results2.append(True)
        except RuntimeError:
            barrier.abort()
        # Synchronize and reset the barrier.  Must synchronize first so
        # that everyone has left it when we reset, and after so that no
        # one enters it before the reset.
        if barrier2.wait() == cls.N//2:
            barrier.reset()
        barrier2.wait()
        barrier.wait()
        results3.append(True) 
Example 8
Project: Project-New-Reign---Nemesis-Main   Author: ShikyoKira   File: lock_tests.py    License: GNU General Public License v3.0 6 votes vote down vote up
def test_abort(self):
        """
        Test that an abort will put the barrier in a broken state
        """
        results1 = []
        results2 = []
        def f():
            try:
                i = self.barrier.wait()
                if i == self.N//2:
                    raise RuntimeError
                self.barrier.wait()
                results1.append(True)
            except threading.BrokenBarrierError:
                results2.append(True)
            except RuntimeError:
                self.barrier.abort()
                pass

        self.run_threads(f)
        self.assertEqual(len(results1), 0)
        self.assertEqual(len(results2), self.N-1)
        self.assertTrue(self.barrier.broken) 
Example 9
def _test_reset_f(cls, barrier, results1, results2, results3):
        i = barrier.wait()
        if i == cls.N//2:
            # Wait until the other threads are all in the barrier.
            while barrier.n_waiting < cls.N-1:
                time.sleep(0.001)
            barrier.reset()
        else:
            try:
                barrier.wait()
                results1.append(True)
            except threading.BrokenBarrierError:
                results2.append(True)
        # Now, pass the barrier again
        barrier.wait()
        results3.append(True) 
Example 10
def _test_abort_and_reset_f(cls, barrier, barrier2,
                                results1, results2, results3):
        try:
            i = barrier.wait()
            if i == cls.N//2:
                raise RuntimeError
            barrier.wait()
            results1.append(True)
        except threading.BrokenBarrierError:
            results2.append(True)
        except RuntimeError:
            barrier.abort()
        # Synchronize and reset the barrier.  Must synchronize first so
        # that everyone has left it when we reset, and after so that no
        # one enters it before the reset.
        if barrier2.wait() == cls.N//2:
            barrier.reset()
        barrier2.wait()
        barrier.wait()
        results3.append(True) 
Example 11
Project: android_universal   Author: bkerler   File: lock_tests.py    License: MIT License 6 votes vote down vote up
def test_abort(self):
        """
        Test that an abort will put the barrier in a broken state
        """
        results1 = []
        results2 = []
        def f():
            try:
                i = self.barrier.wait()
                if i == self.N//2:
                    raise RuntimeError
                self.barrier.wait()
                results1.append(True)
            except threading.BrokenBarrierError:
                results2.append(True)
            except RuntimeError:
                self.barrier.abort()
                pass

        self.run_threads(f)
        self.assertEqual(len(results1), 0)
        self.assertEqual(len(results2), self.N-1)
        self.assertTrue(self.barrier.broken) 
Example 12
Project: Fluid-Designer   Author: Microvellum   File: lock_tests.py    License: GNU General Public License v3.0 5 votes vote down vote up
def test_reset(self):
        """
        Test that a 'reset' on a barrier frees the waiting threads
        """
        results1 = []
        results2 = []
        results3 = []
        def f():
            i = self.barrier.wait()
            if i == self.N//2:
                # Wait until the other threads are all in the barrier.
                while self.barrier.n_waiting < self.N-1:
                    time.sleep(0.001)
                self.barrier.reset()
            else:
                try:
                    self.barrier.wait()
                    results1.append(True)
                except threading.BrokenBarrierError:
                    results2.append(True)
            # Now, pass the barrier again
            self.barrier.wait()
            results3.append(True)

        self.run_threads(f)
        self.assertEqual(len(results1), 0)
        self.assertEqual(len(results2), self.N-1)
        self.assertEqual(len(results3), self.N) 
Example 13
Project: Fluid-Designer   Author: Microvellum   File: lock_tests.py    License: GNU General Public License v3.0 5 votes vote down vote up
def test_abort_and_reset(self):
        """
        Test that a barrier can be reset after being broken.
        """
        results1 = []
        results2 = []
        results3 = []
        barrier2 = self.barriertype(self.N)
        def f():
            try:
                i = self.barrier.wait()
                if i == self.N//2:
                    raise RuntimeError
                self.barrier.wait()
                results1.append(True)
            except threading.BrokenBarrierError:
                results2.append(True)
            except RuntimeError:
                self.barrier.abort()
                pass
            # Synchronize and reset the barrier.  Must synchronize first so
            # that everyone has left it when we reset, and after so that no
            # one enters it before the reset.
            if barrier2.wait() == self.N//2:
                self.barrier.reset()
            barrier2.wait()
            self.barrier.wait()
            results3.append(True)

        self.run_threads(f)
        self.assertEqual(len(results1), 0)
        self.assertEqual(len(results2), self.N-1)
        self.assertEqual(len(results3), self.N) 
Example 14
Project: Fluid-Designer   Author: Microvellum   File: lock_tests.py    License: GNU General Public License v3.0 5 votes vote down vote up
def test_timeout(self):
        """
        Test wait(timeout)
        """
        def f():
            i = self.barrier.wait()
            if i == self.N // 2:
                # One thread is late!
                time.sleep(1.0)
            # Default timeout is 2.0, so this is shorter.
            self.assertRaises(threading.BrokenBarrierError,
                              self.barrier.wait, 0.5)
        self.run_threads(f) 
Example 15
Project: Fluid-Designer   Author: Microvellum   File: lock_tests.py    License: GNU General Public License v3.0 5 votes vote down vote up
def test_default_timeout(self):
        """
        Test the barrier's default timeout
        """
        # create a barrier with a low default timeout
        barrier = self.barriertype(self.N, timeout=0.3)
        def f():
            i = barrier.wait()
            if i == self.N // 2:
                # One thread is later than the default timeout of 0.3s.
                time.sleep(1.0)
            self.assertRaises(threading.BrokenBarrierError, barrier.wait)
        self.run_threads(f) 
Example 16
Project: Fluid-Designer   Author: Microvellum   File: _test_multiprocessing.py    License: GNU General Public License v3.0 5 votes vote down vote up
def _test_timeout_f(cls, barrier, results):
        i = barrier.wait()
        if i == cls.N//2:
            # One thread is late!
            time.sleep(1.0)
        try:
            barrier.wait(0.5)
        except threading.BrokenBarrierError:
            results.append(True) 
Example 17
Project: Fluid-Designer   Author: Microvellum   File: _test_multiprocessing.py    License: GNU General Public License v3.0 5 votes vote down vote up
def _test_default_timeout_f(cls, barrier, results):
        i = barrier.wait(cls.defaultTimeout)
        if i == cls.N//2:
            # One thread is later than the default timeout
            time.sleep(1.0)
        try:
            barrier.wait()
        except threading.BrokenBarrierError:
            results.append(True) 
Example 18
Project: ironpython3   Author: IronLanguages   File: lock_tests.py    License: Apache License 2.0 5 votes vote down vote up
def test_reset(self):
        """
        Test that a 'reset' on a barrier frees the waiting threads
        """
        results1 = []
        results2 = []
        results3 = []
        def f():
            i = self.barrier.wait()
            if i == self.N//2:
                # Wait until the other threads are all in the barrier.
                while self.barrier.n_waiting < self.N-1:
                    time.sleep(0.001)
                self.barrier.reset()
            else:
                try:
                    self.barrier.wait()
                    results1.append(True)
                except threading.BrokenBarrierError:
                    results2.append(True)
            # Now, pass the barrier again
            self.barrier.wait()
            results3.append(True)

        self.run_threads(f)
        self.assertEqual(len(results1), 0)
        self.assertEqual(len(results2), self.N-1)
        self.assertEqual(len(results3), self.N) 
Example 19
Project: ironpython3   Author: IronLanguages   File: lock_tests.py    License: Apache License 2.0 5 votes vote down vote up
def test_abort_and_reset(self):
        """
        Test that a barrier can be reset after being broken.
        """
        results1 = []
        results2 = []
        results3 = []
        barrier2 = self.barriertype(self.N)
        def f():
            try:
                i = self.barrier.wait()
                if i == self.N//2:
                    raise RuntimeError
                self.barrier.wait()
                results1.append(True)
            except threading.BrokenBarrierError:
                results2.append(True)
            except RuntimeError:
                self.barrier.abort()
                pass
            # Synchronize and reset the barrier.  Must synchronize first so
            # that everyone has left it when we reset, and after so that no
            # one enters it before the reset.
            if barrier2.wait() == self.N//2:
                self.barrier.reset()
            barrier2.wait()
            self.barrier.wait()
            results3.append(True)

        self.run_threads(f)
        self.assertEqual(len(results1), 0)
        self.assertEqual(len(results2), self.N-1)
        self.assertEqual(len(results3), self.N) 
Example 20
Project: ironpython3   Author: IronLanguages   File: lock_tests.py    License: Apache License 2.0 5 votes vote down vote up
def test_timeout(self):
        """
        Test wait(timeout)
        """
        def f():
            i = self.barrier.wait()
            if i == self.N // 2:
                # One thread is late!
                time.sleep(1.0)
            # Default timeout is 2.0, so this is shorter.
            self.assertRaises(threading.BrokenBarrierError,
                              self.barrier.wait, 0.5)
        self.run_threads(f) 
Example 21
Project: ironpython3   Author: IronLanguages   File: lock_tests.py    License: Apache License 2.0 5 votes vote down vote up
def test_default_timeout(self):
        """
        Test the barrier's default timeout
        """
        # create a barrier with a low default timeout
        barrier = self.barriertype(self.N, timeout=0.3)
        def f():
            i = barrier.wait()
            if i == self.N // 2:
                # One thread is later than the default timeout of 0.3s.
                time.sleep(1.0)
            self.assertRaises(threading.BrokenBarrierError, barrier.wait)
        self.run_threads(f) 
Example 22
Project: ironpython3   Author: IronLanguages   File: _test_multiprocessing.py    License: Apache License 2.0 5 votes vote down vote up
def _test_timeout_f(cls, barrier, results):
        i = barrier.wait()
        if i == cls.N//2:
            # One thread is late!
            time.sleep(1.0)
        try:
            barrier.wait(0.5)
        except threading.BrokenBarrierError:
            results.append(True) 
Example 23
Project: ironpython3   Author: IronLanguages   File: _test_multiprocessing.py    License: Apache License 2.0 5 votes vote down vote up
def _test_default_timeout_f(cls, barrier, results):
        i = barrier.wait(cls.defaultTimeout)
        if i == cls.N//2:
            # One thread is later than the default timeout
            time.sleep(1.0)
        try:
            barrier.wait()
        except threading.BrokenBarrierError:
            results.append(True) 
Example 24
Project: Project-New-Reign---Nemesis-Main   Author: ShikyoKira   File: lock_tests.py    License: GNU General Public License v3.0 5 votes vote down vote up
def test_reset(self):
        """
        Test that a 'reset' on a barrier frees the waiting threads
        """
        results1 = []
        results2 = []
        results3 = []
        def f():
            i = self.barrier.wait()
            if i == self.N//2:
                # Wait until the other threads are all in the barrier.
                while self.barrier.n_waiting < self.N-1:
                    time.sleep(0.001)
                self.barrier.reset()
            else:
                try:
                    self.barrier.wait()
                    results1.append(True)
                except threading.BrokenBarrierError:
                    results2.append(True)
            # Now, pass the barrier again
            self.barrier.wait()
            results3.append(True)

        self.run_threads(f)
        self.assertEqual(len(results1), 0)
        self.assertEqual(len(results2), self.N-1)
        self.assertEqual(len(results3), self.N) 
Example 25
Project: Project-New-Reign---Nemesis-Main   Author: ShikyoKira   File: lock_tests.py    License: GNU General Public License v3.0 5 votes vote down vote up
def test_abort_and_reset(self):
        """
        Test that a barrier can be reset after being broken.
        """
        results1 = []
        results2 = []
        results3 = []
        barrier2 = self.barriertype(self.N)
        def f():
            try:
                i = self.barrier.wait()
                if i == self.N//2:
                    raise RuntimeError
                self.barrier.wait()
                results1.append(True)
            except threading.BrokenBarrierError:
                results2.append(True)
            except RuntimeError:
                self.barrier.abort()
                pass
            # Synchronize and reset the barrier.  Must synchronize first so
            # that everyone has left it when we reset, and after so that no
            # one enters it before the reset.
            if barrier2.wait() == self.N//2:
                self.barrier.reset()
            barrier2.wait()
            self.barrier.wait()
            results3.append(True)

        self.run_threads(f)
        self.assertEqual(len(results1), 0)
        self.assertEqual(len(results2), self.N-1)
        self.assertEqual(len(results3), self.N) 
Example 26
Project: Project-New-Reign---Nemesis-Main   Author: ShikyoKira   File: lock_tests.py    License: GNU General Public License v3.0 5 votes vote down vote up
def test_timeout(self):
        """
        Test wait(timeout)
        """
        def f():
            i = self.barrier.wait()
            if i == self.N // 2:
                # One thread is late!
                time.sleep(1.0)
            # Default timeout is 2.0, so this is shorter.
            self.assertRaises(threading.BrokenBarrierError,
                              self.barrier.wait, 0.5)
        self.run_threads(f) 
Example 27
Project: Project-New-Reign---Nemesis-Main   Author: ShikyoKira   File: lock_tests.py    License: GNU General Public License v3.0 5 votes vote down vote up
def test_default_timeout(self):
        """
        Test the barrier's default timeout
        """
        # create a barrier with a low default timeout
        barrier = self.barriertype(self.N, timeout=0.3)
        def f():
            i = barrier.wait()
            if i == self.N // 2:
                # One thread is later than the default timeout of 0.3s.
                time.sleep(1.0)
            self.assertRaises(threading.BrokenBarrierError, barrier.wait)
        self.run_threads(f) 
Example 28
def _test_timeout_f(cls, barrier, results):
        i = barrier.wait()
        if i == cls.N//2:
            # One thread is late!
            time.sleep(1.0)
        try:
            barrier.wait(0.5)
        except threading.BrokenBarrierError:
            results.append(True) 
Example 29
def _test_default_timeout_f(cls, barrier, results):
        i = barrier.wait(cls.defaultTimeout)
        if i == cls.N//2:
            # One thread is later than the default timeout
            time.sleep(1.0)
        try:
            barrier.wait()
        except threading.BrokenBarrierError:
            results.append(True) 
Example 30
Project: android_universal   Author: bkerler   File: lock_tests.py    License: MIT License 5 votes vote down vote up
def test_reset(self):
        """
        Test that a 'reset' on a barrier frees the waiting threads
        """
        results1 = []
        results2 = []
        results3 = []
        def f():
            i = self.barrier.wait()
            if i == self.N//2:
                # Wait until the other threads are all in the barrier.
                while self.barrier.n_waiting < self.N-1:
                    time.sleep(0.001)
                self.barrier.reset()
            else:
                try:
                    self.barrier.wait()
                    results1.append(True)
                except threading.BrokenBarrierError:
                    results2.append(True)
            # Now, pass the barrier again
            self.barrier.wait()
            results3.append(True)

        self.run_threads(f)
        self.assertEqual(len(results1), 0)
        self.assertEqual(len(results2), self.N-1)
        self.assertEqual(len(results3), self.N)