本文整理汇总了Python中_emerge.AsynchronousLock.AsynchronousLock.poll方法的典型用法代码示例。如果您正苦于以下问题：Python AsynchronousLock.poll方法的具体用法？Python AsynchronousLock.poll怎么用？Python AsynchronousLock.poll使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类_emerge.AsynchronousLock.AsynchronousLock的用法示例。
在下文中一共展示了AsynchronousLock.poll方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _testAsynchronousLockWaitKill
# 需要导入模块: from _emerge.AsynchronousLock import AsynchronousLock [as 别名]
# 或者: from _emerge.AsynchronousLock.AsynchronousLock import poll [as 别名]
def _testAsynchronousLockWaitKill(self):
scheduler = global_event_loop()
tempdir = tempfile.mkdtemp()
try:
path = os.path.join(tempdir, 'lock_me')
lock1 = AsynchronousLock(path=path, scheduler=scheduler)
lock1.start()
self.assertEqual(lock1.wait(), os.EX_OK)
self.assertEqual(lock1.returncode, os.EX_OK)
lock2 = AsynchronousLock(path=path, scheduler=scheduler,
_force_async=True, _force_process=True)
lock2.start()
# lock2 should be waiting for lock1 to release
self.assertEqual(lock2.poll(), None)
self.assertEqual(lock2.returncode, None)
# Kill lock2's process and then check wait() and
# returncode results. This is intended to simulate
# a SIGINT sent via the controlling tty.
self.assertEqual(lock2._imp is not None, True)
self.assertEqual(lock2._imp._proc is not None, True)
self.assertEqual(lock2._imp._proc.pid is not None, True)
lock2._imp._kill_test = True
os.kill(lock2._imp._proc.pid, signal.SIGTERM)
self.assertEqual(lock2.wait() == os.EX_OK, False)
self.assertEqual(lock2.returncode == os.EX_OK, False)
self.assertEqual(lock2.returncode is None, False)
lock1.unlock()
finally:
shutil.rmtree(tempdir)示例2: _testAsynchronousLockWait
# 需要导入模块: from _emerge.AsynchronousLock import AsynchronousLock [as 别名]
# 或者: from _emerge.AsynchronousLock.AsynchronousLock import poll [as 别名]
def _testAsynchronousLockWait(self):
scheduler = global_event_loop()
tempdir = tempfile.mkdtemp()
try:
path = os.path.join(tempdir, 'lock_me')
lock1 = AsynchronousLock(path=path, scheduler=scheduler)
lock1.start()
self.assertEqual(lock1.wait(), os.EX_OK)
self.assertEqual(lock1.returncode, os.EX_OK)
# lock2 requires _force_async=True since the portage.locks
# module is not designed to work as intended here if the
# same process tries to lock the same file more than
# one time concurrently.
lock2 = AsynchronousLock(path=path, scheduler=scheduler,
_force_async=True, _force_process=True)
lock2.start()
# lock2 should be waiting for lock1 to release
self.assertEqual(lock2.poll(), None)
self.assertEqual(lock2.returncode, None)
lock1.unlock()
self.assertEqual(lock2.wait(), os.EX_OK)
self.assertEqual(lock2.returncode, os.EX_OK)
lock2.unlock()
finally:
shutil.rmtree(tempdir)示例3: _testAsynchronousLockWaitCancel
# 需要导入模块: from _emerge.AsynchronousLock import AsynchronousLock [as 别名]
# 或者: from _emerge.AsynchronousLock.AsynchronousLock import poll [as 别名]
def _testAsynchronousLockWaitCancel(self):
scheduler = global_event_loop()
tempdir = tempfile.mkdtemp()
try:
path = os.path.join(tempdir, 'lock_me')
lock1 = AsynchronousLock(path=path, scheduler=scheduler)
lock1.start()
self.assertEqual(lock1.wait(), os.EX_OK)
self.assertEqual(lock1.returncode, os.EX_OK)
lock2 = AsynchronousLock(path=path, scheduler=scheduler,
_force_async=True, _force_process=True)
lock2.start()
# lock2 should be waiting for lock1 to release
self.assertEqual(lock2.poll(), None)
self.assertEqual(lock2.returncode, None)
# Cancel lock2 and then check wait() and returncode results.
lock2.cancel()
self.assertEqual(lock2.wait() == os.EX_OK, False)
self.assertEqual(lock2.returncode == os.EX_OK, False)
self.assertEqual(lock2.returncode is None, False)
lock1.unlock()
finally:
shutil.rmtree(tempdir)