diff options
Diffstat (limited to 'scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform')
6 files changed, 289 insertions, 0 deletions
diff --git a/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/__init__.py b/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/__init__.py new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/__init__.py diff --git a/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/auto.py b/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/auto.py new file mode 100644 index 00000000..b40ccd94 --- /dev/null +++ b/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/auto.py @@ -0,0 +1,45 @@ +#!/usr/bin/env python +# +# Copyright 2011 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Implementation of platform-specific functionality. + +For each function or class described in `tornado.platform.interface`, +the appropriate platform-specific implementation exists in this module. +Most code that needs access to this functionality should do e.g.:: + + from tornado.platform.auto import set_close_exec +""" + +from __future__ import absolute_import, division, print_function, with_statement + +import os + +if os.name == 'nt': + from .common import Waker + from .windows import set_close_exec +else: + from .posix import set_close_exec, Waker + +try: + # monotime monkey-patches the time module to have a monotonic function + # in versions of python before 3.3. + import monotime +except ImportError: + pass +try: + from time import monotonic as monotonic_time +except ImportError: + monotonic_time = None diff --git a/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/common.py b/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/common.py new file mode 100644 index 00000000..2d75dc1e --- /dev/null +++ b/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/common.py @@ -0,0 +1,91 @@ +"""Lowest-common-denominator implementations of platform functionality.""" +from __future__ import absolute_import, division, print_function, with_statement + +import errno +import socket + +from . import interface + + +class Waker(interface.Waker): + """Create an OS independent asynchronous pipe. + + For use on platforms that don't have os.pipe() (or where pipes cannot + be passed to select()), but do have sockets. This includes Windows + and Jython. + """ + def __init__(self): + # Based on Zope async.py: http://svn.zope.org/zc.ngi/trunk/src/zc/ngi/async.py + + self.writer = socket.socket() + # Disable buffering -- pulling the trigger sends 1 byte, + # and we want that sent immediately, to wake up ASAP. + self.writer.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1) + + count = 0 + while 1: + count += 1 + # Bind to a local port; for efficiency, let the OS pick + # a free port for us. + # Unfortunately, stress tests showed that we may not + # be able to connect to that port ("Address already in + # use") despite that the OS picked it. This appears + # to be a race bug in the Windows socket implementation. + # So we loop until a connect() succeeds (almost always + # on the first try). See the long thread at + # http://mail.zope.org/pipermail/zope/2005-July/160433.html + # for hideous details. + a = socket.socket() + a.bind(("127.0.0.1", 0)) + a.listen(1) + connect_address = a.getsockname() # assigned (host, port) pair + try: + self.writer.connect(connect_address) + break # success + except socket.error as detail: + if (not hasattr(errno, 'WSAEADDRINUSE') or + detail[0] != errno.WSAEADDRINUSE): + # "Address already in use" is the only error + # I've seen on two WinXP Pro SP2 boxes, under + # Pythons 2.3.5 and 2.4.1. + raise + # (10048, 'Address already in use') + # assert count <= 2 # never triggered in Tim's tests + if count >= 10: # I've never seen it go above 2 + a.close() + self.writer.close() + raise socket.error("Cannot bind trigger!") + # Close `a` and try again. Note: I originally put a short + # sleep() here, but it didn't appear to help or hurt. + a.close() + + self.reader, addr = a.accept() + self.reader.setblocking(0) + self.writer.setblocking(0) + a.close() + self.reader_fd = self.reader.fileno() + + def fileno(self): + return self.reader.fileno() + + def write_fileno(self): + return self.writer.fileno() + + def wake(self): + try: + self.writer.send(b"x") + except (IOError, socket.error): + pass + + def consume(self): + try: + while True: + result = self.reader.recv(1024) + if not result: + break + except (IOError, socket.error): + pass + + def close(self): + self.reader.close() + self.writer.close() diff --git a/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/interface.py b/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/interface.py new file mode 100644 index 00000000..07da6bab --- /dev/null +++ b/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/interface.py @@ -0,0 +1,63 @@ +#!/usr/bin/env python +# +# Copyright 2011 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Interfaces for platform-specific functionality. + +This module exists primarily for documentation purposes and as base classes +for other tornado.platform modules. Most code should import the appropriate +implementation from `tornado.platform.auto`. +""" + +from __future__ import absolute_import, division, print_function, with_statement + + +def set_close_exec(fd): + """Sets the close-on-exec bit (``FD_CLOEXEC``)for a file descriptor.""" + raise NotImplementedError() + + +class Waker(object): + """A socket-like object that can wake another thread from ``select()``. + + The `~tornado.ioloop.IOLoop` will add the Waker's `fileno()` to + its ``select`` (or ``epoll`` or ``kqueue``) calls. When another + thread wants to wake up the loop, it calls `wake`. Once it has woken + up, it will call `consume` to do any necessary per-wake cleanup. When + the ``IOLoop`` is closed, it closes its waker too. + """ + def fileno(self): + """Returns the read file descriptor for this waker. + + Must be suitable for use with ``select()`` or equivalent on the + local platform. + """ + raise NotImplementedError() + + def write_fileno(self): + """Returns the write file descriptor for this waker.""" + raise NotImplementedError() + + def wake(self): + """Triggers activity on the waker's file descriptor.""" + raise NotImplementedError() + + def consume(self): + """Called after the listen has woken up to do any necessary cleanup.""" + raise NotImplementedError() + + def close(self): + """Closes the waker's file descriptor(s).""" + raise NotImplementedError() diff --git a/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/posix.py b/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/posix.py new file mode 100644 index 00000000..ccffbb66 --- /dev/null +++ b/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/posix.py @@ -0,0 +1,70 @@ +#!/usr/bin/env python +# +# Copyright 2011 Facebook +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""Posix implementations of platform-specific functionality.""" + +from __future__ import absolute_import, division, print_function, with_statement + +import fcntl +import os + +from . import interface + + +def set_close_exec(fd): + flags = fcntl.fcntl(fd, fcntl.F_GETFD) + fcntl.fcntl(fd, fcntl.F_SETFD, flags | fcntl.FD_CLOEXEC) + + +def _set_nonblocking(fd): + flags = fcntl.fcntl(fd, fcntl.F_GETFL) + fcntl.fcntl(fd, fcntl.F_SETFL, flags | os.O_NONBLOCK) + + +class Waker(interface.Waker): + def __init__(self): + r, w = os.pipe() + _set_nonblocking(r) + _set_nonblocking(w) + set_close_exec(r) + set_close_exec(w) + self.reader = os.fdopen(r, "rb", 0) + self.writer = os.fdopen(w, "wb", 0) + + def fileno(self): + return self.reader.fileno() + + def write_fileno(self): + return self.writer.fileno() + + def wake(self): + try: + self.writer.write(b"x") + except IOError: + pass + + def consume(self): + try: + while True: + result = self.reader.read() + if not result: + break + except IOError: + pass + + def close(self): + self.reader.close() + self.writer.close() diff --git a/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/windows.py b/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/windows.py new file mode 100644 index 00000000..817bdca1 --- /dev/null +++ b/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/eventloop/minitornado/platform/windows.py @@ -0,0 +1,20 @@ +# NOTE: win32 support is currently experimental, and not recommended +# for production use. + + +from __future__ import absolute_import, division, print_function, with_statement +import ctypes +import ctypes.wintypes + +# See: http://msdn.microsoft.com/en-us/library/ms724935(VS.85).aspx +SetHandleInformation = ctypes.windll.kernel32.SetHandleInformation +SetHandleInformation.argtypes = (ctypes.wintypes.HANDLE, ctypes.wintypes.DWORD, ctypes.wintypes.DWORD) +SetHandleInformation.restype = ctypes.wintypes.BOOL + +HANDLE_FLAG_INHERIT = 0x00000001 + + +def set_close_exec(fd): + success = SetHandleInformation(fd, HANDLE_FLAG_INHERIT, 0) + if not success: + raise ctypes.GetLastError() |