Python subprocess._eintr_retry_call() Examples
The following are 6
code examples of subprocess._eintr_retry_call().
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Example #1
Source File: test_subprocess.py From ironpython2 with Apache License 2.0 | 5 votes |
def test_eintr_retry_call(self): record_calls = [] def fake_os_func(*args): record_calls.append(args) if len(record_calls) == 2: raise OSError(errno.EINTR, "fake interrupted system call") return tuple(reversed(args)) self.assertEqual((999, 256), subprocess._eintr_retry_call(fake_os_func, 256, 999)) self.assertEqual([(256, 999)], record_calls) # This time there will be an EINTR so it will loop once. self.assertEqual((666,), subprocess._eintr_retry_call(fake_os_func, 666)) self.assertEqual([(256, 999), (666,), (666,)], record_calls)
Example #2
Source File: test_subprocess.py From BinderFilter with MIT License | 5 votes |
def test_eintr_retry_call(self): record_calls = [] def fake_os_func(*args): record_calls.append(args) if len(record_calls) == 2: raise OSError(errno.EINTR, "fake interrupted system call") return tuple(reversed(args)) self.assertEqual((999, 256), subprocess._eintr_retry_call(fake_os_func, 256, 999)) self.assertEqual([(256, 999)], record_calls) # This time there will be an EINTR so it will loop once. self.assertEqual((666,), subprocess._eintr_retry_call(fake_os_func, 666)) self.assertEqual([(256, 999), (666,), (666,)], record_calls)
Example #3
Source File: test_subprocess.py From oss-ftp with MIT License | 5 votes |
def test_eintr_retry_call(self): record_calls = [] def fake_os_func(*args): record_calls.append(args) if len(record_calls) == 2: raise OSError(errno.EINTR, "fake interrupted system call") return tuple(reversed(args)) self.assertEqual((999, 256), subprocess._eintr_retry_call(fake_os_func, 256, 999)) self.assertEqual([(256, 999)], record_calls) # This time there will be an EINTR so it will loop once. self.assertEqual((666,), subprocess._eintr_retry_call(fake_os_func, 666)) self.assertEqual([(256, 999), (666,), (666,)], record_calls)
Example #4
Source File: test_subprocess.py From ironpython3 with Apache License 2.0 | 5 votes |
def test_eintr_retry_call(self): record_calls = [] def fake_os_func(*args): record_calls.append(args) if len(record_calls) == 2: raise OSError(errno.EINTR, "fake interrupted system call") return tuple(reversed(args)) self.assertEqual((999, 256), subprocess._eintr_retry_call(fake_os_func, 256, 999)) self.assertEqual([(256, 999)], record_calls) # This time there will be an EINTR so it will loop once. self.assertEqual((666,), subprocess._eintr_retry_call(fake_os_func, 666)) self.assertEqual([(256, 999), (666,), (666,)], record_calls)
Example #5
Source File: test_subprocess.py From gcblue with BSD 3-Clause "New" or "Revised" License | 5 votes |
def test_eintr_retry_call(self): record_calls = [] def fake_os_func(*args): record_calls.append(args) if len(record_calls) == 2: raise OSError(errno.EINTR, "fake interrupted system call") return tuple(reversed(args)) self.assertEqual((999, 256), subprocess._eintr_retry_call(fake_os_func, 256, 999)) self.assertEqual([(256, 999)], record_calls) # This time there will be an EINTR so it will loop once. self.assertEqual((666,), subprocess._eintr_retry_call(fake_os_func, 666)) self.assertEqual([(256, 999), (666,), (666,)], record_calls)
Example #6
Source File: subprocess42.py From luci-py with Apache License 2.0 | 4 votes |
def wait(self, timeout=None, poll_initial_interval=0.001, poll_max_interval=0.05): # pylint: disable=arguments-differ """Implements python3's timeout support. Raises: - TimeoutExpired when more than timeout seconds were spent waiting for the process. """ assert timeout is None or isinstance(timeout, (int, float)), timeout if timeout is None: super(Popen, self).wait() elif self.returncode is None: if sys.platform == 'win32': WAIT_TIMEOUT = 258 result = subprocess._subprocess.WaitForSingleObject( self._handle, int(timeout * 1000)) if result == WAIT_TIMEOUT: raise TimeoutExpired(self.args, timeout) self.returncode = subprocess._subprocess.GetExitCodeProcess( self._handle) else: # If you think the following code is horrible, it's because it is # inspired by python3's stdlib. end = time.time() + timeout delay = poll_initial_interval while True: try: pid, sts = subprocess._eintr_retry_call( os.waitpid, self.pid, os.WNOHANG) except OSError as e: if e.errno != errno.ECHILD: raise pid = self.pid sts = 0 if pid == self.pid: # This sets self.returncode. self._handle_exitstatus(sts) break remaining = end - time.time() if remaining <= 0: raise TimeoutExpired(self.args, timeout) delay = min(delay * 2, remaining, poll_max_interval) time.sleep(delay) if not self.end: # communicate() uses wait() internally. self.end = time.time() self._cleanup() return self.returncode