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Diffstat (limited to 'lib/python2.7/multiprocessing/dummy/connection.py')
| -rw-r--r-- | lib/python2.7/multiprocessing/dummy/connection.py | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/lib/python2.7/multiprocessing/dummy/connection.py b/lib/python2.7/multiprocessing/dummy/connection.py deleted file mode 100644 index 50dc9ff..0000000 --- a/lib/python2.7/multiprocessing/dummy/connection.py +++ /dev/null @@ -1,87 +0,0 @@ -# -# Analogue of `multiprocessing.connection` which uses queues instead of sockets -# -# multiprocessing/dummy/connection.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. -# - -__all__ = [ 'Client', 'Listener', 'Pipe' ] - -from Queue import Queue - - -families = [None] - - -class Listener(object): - - def __init__(self, address=None, family=None, backlog=1): - self._backlog_queue = Queue(backlog) - - def accept(self): - return Connection(*self._backlog_queue.get()) - - def close(self): - self._backlog_queue = None - - address = property(lambda self: self._backlog_queue) - - -def Client(address): - _in, _out = Queue(), Queue() - address.put((_out, _in)) - return Connection(_in, _out) - - -def Pipe(duplex=True): - a, b = Queue(), Queue() - return Connection(a, b), Connection(b, a) - - -class Connection(object): - - def __init__(self, _in, _out): - self._out = _out - self._in = _in - self.send = self.send_bytes = _out.put - self.recv = self.recv_bytes = _in.get - - def poll(self, timeout=0.0): - if self._in.qsize() > 0: - return True - if timeout <= 0.0: - return False - self._in.not_empty.acquire() - self._in.not_empty.wait(timeout) - self._in.not_empty.release() - return self._in.qsize() > 0 - - def close(self): - pass |