本文整理匯總了Python中_subprocess.WAIT_OBJECT_0屬性的典型用法代碼示例。如果您正苦於以下問題：Python _subprocess.WAIT_OBJECT_0屬性的具體用法？Python _subprocess.WAIT_OBJECT_0怎麽用？Python _subprocess.WAIT_OBJECT_0使用的例子？那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類_subprocess的用法示例。
在下文中一共展示了_subprocess.WAIT_OBJECT_0屬性的5個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: _internal_poll
# 需要導入模塊: import _subprocess [as 別名]
# 或者: from _subprocess import WAIT_OBJECT_0 [as 別名]
def _internal_poll(
self, _deadstate=None,
_WaitForSingleObject=_subprocess.WaitForSingleObject,
_WAIT_OBJECT_0=_subprocess.WAIT_OBJECT_0,
_GetExitCodeProcess=_subprocess.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2: _internal_poll
# 需要導入模塊: import _subprocess [as 別名]
# 或者: from _subprocess import WAIT_OBJECT_0 [as 別名]
def _internal_poll(self, _deadstate=None,
_WaitForSingleObject=_subprocess.WaitForSingleObject,
_WAIT_OBJECT_0=_subprocess.WAIT_OBJECT_0,
_GetExitCodeProcess=_subprocess.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: wait
# 需要導入模塊: import _subprocess [as 別名]
# 或者: from _subprocess import WAIT_OBJECT_0 [as 別名]
def wait(self, timeout=None):
if self.returncode is None:
if timeout is None:
msecs = _subprocess.INFINITE
else:
msecs = max(0, int(timeout * 1000 + 0.5))
res = _subprocess.WaitForSingleObject(int(self._handle), msecs)
if res == _subprocess.WAIT_OBJECT_0:
code = _subprocess.GetExitCodeProcess(self._handle)
if code == TERMINATE:
code = -signal.SIGTERM
self.returncode = code
return self.returncode 示例4: run
# 需要導入模塊: import _subprocess [as 別名]
# 或者: from _subprocess import WAIT_OBJECT_0 [as 別名]
def run(self):
""" Run the poll loop. This method never returns.
"""
try:
from _winapi import WAIT_OBJECT_0, INFINITE
except ImportError:
from _subprocess import WAIT_OBJECT_0, INFINITE
# Build the list of handle to listen on.
handles = []
if self.interrupt_handle:
handles.append(self.interrupt_handle)
if self.parent_handle:
handles.append(self.parent_handle)
arch = platform.architecture()[0]
c_int = ctypes.c_int64 if arch.startswith('64') else ctypes.c_int
# Listen forever.
while True:
result = ctypes.windll.kernel32.WaitForMultipleObjects(
len(handles), # nCount
(c_int * len(handles))(*handles), # lpHandles
False, # bWaitAll
INFINITE) # dwMilliseconds
if WAIT_OBJECT_0 <= result < len(handles):
handle = handles[result - WAIT_OBJECT_0]
if handle == self.interrupt_handle:
interrupt_main()
elif handle == self.parent_handle:
os._exit(1)
elif result < 0:
# wait failed, just give up and stop polling.
warn("""Parent poll failed. If the frontend dies,
the kernel may be left running. Please let us know
about your system (bitness, Python, etc.) at
ipython-dev@scipy.org""")
return 示例5: wait
# 需要導入模塊: import _subprocess [as 別名]
# 或者: from _subprocess import WAIT_OBJECT_0 [as 別名]
def wait(handles, timeout=None):
"""Backward compat for python2.7
This function wait for either:
* one connection is ready for read,
* one process handle has exited or got killed,
* timeout is reached. Note that this function has a precision of 2
msec.
"""
if timeout is not None:
deadline = monotonic() + timeout
while True:
# We cannot use select as in windows it only support sockets
ready = []
for h in handles:
if type(h) in [int, long]:
if WaitForSingleObject(h, 0) == WAIT_OBJECT_0:
ready += [h]
elif h.poll(0):
ready.append(h)
if len(ready) > 0:
return ready
sleep(.001)
if timeout is not None and deadline - monotonic() <= 0:
return []