diff options
Diffstat (limited to 'Lib/multiprocessing/process.py')
| -rw-r--r-- | Lib/multiprocessing/process.py | 47 |
1 files changed, 19 insertions, 28 deletions
diff --git a/Lib/multiprocessing/process.py b/Lib/multiprocessing/process.py index 3262b50..893507b 100644 --- a/Lib/multiprocessing/process.py +++ b/Lib/multiprocessing/process.py @@ -4,32 +4,7 @@ # multiprocessing/process.py # # Copyright (c) 2006-2008, R Oudkerk -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in the -# documentation and/or other materials provided with the distribution. -# 3. Neither the name of author nor the names of any contributors may be -# used to endorse or promote products derived from this software -# without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND -# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE -# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -# SUCH DAMAGE. +# Licensed to PSF under a Contributor Agreement. # __all__ = ['Process', 'current_process', 'active_children'] @@ -92,12 +67,16 @@ class Process(object): ''' _Popen = None - def __init__(self, group=None, target=None, name=None, args=(), kwargs={}): + def __init__(self, group=None, target=None, name=None, args=(), kwargs={}, + *, daemon=None): assert group is None, 'group argument must be None for now' count = next(_current_process._counter) self._identity = _current_process._identity + (count,) self._authkey = _current_process._authkey - self._daemonic = _current_process._daemonic + if daemon is not None: + self._daemonic = daemon + else: + self._daemonic = _current_process._daemonic self._tempdir = _current_process._tempdir self._parent_pid = os.getpid() self._popen = None @@ -130,6 +109,7 @@ class Process(object): else: from .forking import Popen self._popen = Popen(self) + self._sentinel = self._popen.sentinel _current_process._children.add(self) def terminate(self): @@ -216,6 +196,17 @@ class Process(object): pid = ident + @property + def sentinel(self): + ''' + Return a file descriptor (Unix) or handle (Windows) suitable for + waiting for process termination. + ''' + try: + return self._sentinel + except AttributeError: + raise ValueError("process not started") + def __repr__(self): if self is _current_process: status = 'started' |