mercurial/selectors2.py

34638:021607b4ef49

from __future__ import absolute_import

import collections
import errno
import math
import platform
import select
import socket
import sys
import time

namedtuple = collections.namedtuple
Mapping = collections.Mapping

try:

            return select.select(r, w, [], timeout)

    __all__.append('SelectSelector')

    # Jython has a different implementation of .fileno() for socket objects.
    if platform.system() == 'Java':
        class _JythonSelectorMapping(object):
            """ This is an implementation of _SelectorMapping that is built
            for use specifically with Jython, which does not provide a hashable
            value from socket.socket.fileno(). """

    """ This function serves as a first call for DefaultSelector to
    detect if the select module is being monkey-patched incorrectly
    by eventlet, greenlet, and preserve proper behavior. """
    global _DEFAULT_SELECTOR
    if _DEFAULT_SELECTOR is None:
        if platform.system() == 'Java':  # Platform-specific: Jython
            _DEFAULT_SELECTOR = JythonSelectSelector
        elif _can_allocate('kqueue'):
            _DEFAULT_SELECTOR = KqueueSelector
        elif _can_allocate('devpoll'):
            _DEFAULT_SELECTOR = DevpollSelector

34639:a568a46751b6

from __future__ import absolute_import

import collections
import errno
import math
import select
import socket
import sys
import time

from . import pycompat

namedtuple = collections.namedtuple
Mapping = collections.Mapping

try:

            return select.select(r, w, [], timeout)

    __all__.append('SelectSelector')

    # Jython has a different implementation of .fileno() for socket objects.
    if pycompat.isjython:
        class _JythonSelectorMapping(object):
            """ This is an implementation of _SelectorMapping that is built
            for use specifically with Jython, which does not provide a hashable
            value from socket.socket.fileno(). """

    """ This function serves as a first call for DefaultSelector to
    detect if the select module is being monkey-patched incorrectly
    by eventlet, greenlet, and preserve proper behavior. """
    global _DEFAULT_SELECTOR
    if _DEFAULT_SELECTOR is None:
        if pycompat.isjython:
            _DEFAULT_SELECTOR = JythonSelectSelector
        elif _can_allocate('kqueue'):
            _DEFAULT_SELECTOR = KqueueSelector
        elif _can_allocate('devpoll'):
            _DEFAULT_SELECTOR = DevpollSelector