本文整理汇总了Python中_winapi.CreatePipe方法的典型用法代码示例。如果您正苦于以下问题：Python _winapi.CreatePipe方法的具体用法？Python _winapi.CreatePipe怎么用？Python _winapi.CreatePipe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_winapi的用法示例。
在下文中一共展示了_winapi.CreatePipe方法的2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: __init__
# 需要导入模块: import _winapi [as 别名]
# 或者: from _winapi import CreatePipe [as 别名]
def __init__(self, process_obj):
prep_data = spawn.get_preparation_data(process_obj._name)
# read end of pipe will be "stolen" by the child process
# -- see spawn_main() in spawn.py.
rhandle, whandle = _winapi.CreatePipe(None, 0)
wfd = msvcrt.open_osfhandle(whandle, 0)
cmd = spawn.get_command_line(parent_pid=os.getpid(),
pipe_handle=rhandle)
cmd = ' '.join('"%s"' % x for x in cmd)
with open(wfd, 'wb', closefd=True) as to_child:
# start process
try:
hp, ht, pid, tid = _winapi.CreateProcess(
spawn.get_executable(), cmd,
None, None, False, 0, None, None, None)
_winapi.CloseHandle(ht)
except:
_winapi.CloseHandle(rhandle)
raise
# set attributes of self
self.pid = pid
self.returncode = None
self._handle = hp
self.sentinel = int(hp)
util.Finalize(self, _winapi.CloseHandle, (self.sentinel,))
# send information to child
context.set_spawning_popen(self)
try:
reduction.dump(prep_data, to_child)
reduction.dump(process_obj, to_child)
finally:
context.set_spawning_popen(None) 示例2: __init__
# 需要导入模块: import _winapi [as 别名]
# 或者: from _winapi import CreatePipe [as 别名]
def __init__(self, process_obj):
prep_data = spawn.get_preparation_data(process_obj._name)
# read end of pipe will be "stolen" by the child process
# -- see spawn_main() in spawn.py.
rhandle, whandle = _winapi.CreatePipe(None, 0)
wfd = msvcrt.open_osfhandle(whandle, 0)
cmd = spawn.get_command_line(parent_pid=os.getpid(),
pipe_handle=rhandle)
cmd = ' '.join('"%s"' % x for x in cmd)
with open(wfd, 'wb', closefd=True) as to_child:
# start process
try:
hp, ht, pid, tid = _winapi.CreateProcess(
spawn.get_executable(), cmd,
None, None, False, 0, None, None, None)
_winapi.CloseHandle(ht)
except:
_winapi.CloseHandle(rhandle)
raise
# set attributes of self
self.pid = pid
self.returncode = None
self._handle = hp
self.sentinel = int(hp)
self.finalizer = util.Finalize(self, _winapi.CloseHandle, (self.sentinel,))
# send information to child
set_spawning_popen(self)
try:
reduction.dump(prep_data, to_child)
reduction.dump(process_obj, to_child)
finally:
set_spawning_popen(None)