本文整理汇总了Python中_winapi.WaitForSingleObject方法的典型用法代码示例。如果您正苦于以下问题：Python _winapi.WaitForSingleObject方法的具体用法？Python _winapi.WaitForSingleObject怎么用？Python _winapi.WaitForSingleObject使用的例子？那么, 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_winapi的用法示例。
在下文中一共展示了_winapi.WaitForSingleObject方法的6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: wait
# 需要导入模块: import _winapi [as 别名]
# 或者: from _winapi import WaitForSingleObject [as 别名]
def wait(self, timeout=None, endtime=None):
"""Wait for child process to terminate. Returns returncode
attribute."""
if endtime is not None:
timeout = self._remaining_time(endtime)
if timeout is None:
timeout_millis = _winapi.INFINITE
else:
timeout_millis = int(timeout * 1000)
if self.returncode is None:
result = _winapi.WaitForSingleObject(self._handle,
timeout_millis)
if result == _winapi.WAIT_TIMEOUT:
raise TimeoutExpired(self.args, timeout)
self.returncode = _winapi.GetExitCodeProcess(self._handle)
return self.returncode 示例2: _internal_poll
# 需要导入模块: import _winapi [as 别名]
# 或者: from _winapi import WaitForSingleObject [as 别名]
def _internal_poll(self, _deadstate=None,
_WaitForSingleObject=_winapi.WaitForSingleObject,
_WAIT_OBJECT_0=_winapi.WAIT_OBJECT_0,
_GetExitCodeProcess=_winapi.GetExitCodeProcess):
"""Check if child process has terminated. Returns returncode
attribute.
This method is called by __del__, so it can only refer to objects
in its local scope.
"""
if self.returncode is None:
if _WaitForSingleObject(self._handle, 0) == _WAIT_OBJECT_0:
self.returncode = _GetExitCodeProcess(self._handle)
return self.returncode 示例3: _poll
# 需要导入模块: import _winapi [as 别名]
# 或者: from _winapi import WaitForSingleObject [as 别名]
def _poll(self):
# non-blocking wait: use a timeout of 0 millisecond
return (_winapi.WaitForSingleObject(self._handle, 0) ==
_winapi.WAIT_OBJECT_0) 示例4: wait
# 需要导入模块: import _winapi [as 别名]
# 或者: from _winapi import WaitForSingleObject [as 别名]
def wait(self, timeout=None):
if self.returncode is None:
if timeout is None:
msecs = _winapi.INFINITE
else:
msecs = max(0, int(timeout * 1000 + 0.5))
res = _winapi.WaitForSingleObject(int(self._handle), msecs)
if res == _winapi.WAIT_OBJECT_0:
code = _winapi.GetExitCodeProcess(self._handle)
if code == TERMINATE:
code = -signal.SIGTERM
self.returncode = code
return self.returncode 示例5: _wait
# 需要导入模块: import _winapi [as 别名]
# 或者: from _winapi import WaitForSingleObject [as 别名]
def _wait(self, timeout):
"""Internal implementation of wait() on Windows."""
if timeout is None:
timeout_millis = _winapi.INFINITE
else:
timeout_millis = int(timeout * 1000)
if self.returncode is None:
# API note: Returns immediately if timeout_millis == 0.
result = _winapi.WaitForSingleObject(self._handle,
timeout_millis)
if result == _winapi.WAIT_TIMEOUT:
raise TimeoutExpired(self.args, timeout)
self.returncode = _winapi.GetExitCodeProcess(self._handle)
return self.returncode 示例6: _pid_alive
# 需要导入模块: import _winapi [as 别名]
# 或者: from _winapi import WaitForSingleObject [as 别名]
def _pid_alive(pid):
"""Check if the process with this PID is alive or not.
Args:
pid: The pid to check.
Returns:
This returns false if the process is dead. Otherwise, it returns true.
"""
no_such_process = errno.EINVAL if sys.platform == "win32" else errno.ESRCH
alive = True
try:
if sys.platform == "win32":
SYNCHRONIZE = 0x00100000 # access mask defined in <winnt.h>
handle = _winapi.OpenProcess(SYNCHRONIZE, False, pid)
try:
alive = (_winapi.WaitForSingleObject(handle, 0) !=
_winapi.WAIT_OBJECT_0)
finally:
_winapi.CloseHandle(handle)
else:
os.kill(pid, 0)
except OSError as ex:
if ex.errno != no_such_process:
raise
alive = False
return alive