/usr/lib/python3/dist-packages/gevent/thread.py is in python3-gevent 1.1.0-2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | """Implementation of the standard :mod:`thread` module that spawns greenlets.
.. note::
This module is a helper for :mod:`gevent.monkey` and is not intended to be
used directly. For spawning greenlets in your applications, prefer
:class:`Greenlet` class.
"""
from __future__ import absolute_import
import sys
__implements__ = ['allocate_lock',
'get_ident',
'exit',
'LockType',
'stack_size',
'start_new_thread',
'_local']
__imports__ = ['error']
if sys.version_info[0] <= 2:
import thread as __thread__
else:
import _thread as __thread__
__target__ = '_thread'
__imports__ += ['RLock',
'TIMEOUT_MAX',
'allocate',
'exit_thread',
'interrupt_main',
'start_new']
error = __thread__.error
from gevent.hub import getcurrent, GreenletExit, PY3
from gevent.greenlet import Greenlet
from gevent.lock import BoundedSemaphore
from gevent.local import local as _local
def get_ident(gr=None):
if gr is None:
return id(getcurrent())
else:
return id(gr)
def start_new_thread(function, args=(), kwargs={}):
greenlet = Greenlet.spawn(function, *args, **kwargs)
return get_ident(greenlet)
class LockType(BoundedSemaphore):
# Change the ValueError into the appropriate thread error
# and any other API changes we need to make to match behaviour
_OVER_RELEASE_ERROR = __thread__.error
if PY3:
_TIMEOUT_MAX = __thread__.TIMEOUT_MAX
def acquire(self, blocking=True, timeout=-1):
# Transform the default -1 argument into the None that our
# semaphore implementation expects, and raise the same error
# the stdlib implementation does.
if timeout == -1:
timeout = None
if not blocking and timeout is not None:
raise ValueError("can't specify a timeout for a non-blocking call")
if timeout is not None:
if timeout < 0:
# in C: if(timeout < 0 && timeout != -1)
raise ValueError("timeout value must be strictly positive")
if timeout > self._TIMEOUT_MAX:
raise OverflowError('timeout value is too large')
return BoundedSemaphore.acquire(self, blocking, timeout)
allocate_lock = LockType
def exit():
raise GreenletExit
if hasattr(__thread__, 'stack_size'):
_original_stack_size = __thread__.stack_size
def stack_size(size=None):
if size is None:
return _original_stack_size()
if size > _original_stack_size():
return _original_stack_size(size)
else:
pass
# not going to decrease stack_size, because otherwise other greenlets in this thread will suffer
else:
__implements__.remove('stack_size')
for name in __imports__[:]:
try:
value = getattr(__thread__, name)
globals()[name] = value
except AttributeError:
__imports__.remove(name)
__all__ = __implements__ + __imports__
__all__.remove('_local')
# XXX interrupt_main
# XXX _count()
|