Stowage/cpython
2
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-31 05:31:20 +00:00
Code Issues Projects Releases Packages Wiki Activity

Submit Nick's patch for issue 3589, reviewed by jnoller

Browse source
This commit is contained in:
Jesse Noller 2008-09-01 16:47:25 +00:00
parent 34bfda55d2
commit 27cc8e1dd2
4 changed files with 32 additions and 132 deletions
Download patch file Download diff file Expand all files Collapse all files

23
Lib/multiprocessing/synchronize.py
View file

@ -65,7 +65,9 @@ def __setstate__(self, state):
#
class Semaphore(SemLock):
'''
A semaphore object
'''
def __init__(self, value=1):
SemLock.__init__(self, SEMAPHORE, value, SEM_VALUE_MAX)
@ -84,7 +86,9 @@ def __repr__(self):
#
class BoundedSemaphore(Semaphore):
'''
A bounded semaphore object
'''
def __init__(self, value=1):
SemLock.__init__(self, SEMAPHORE, value, value)
@ -101,7 +105,9 @@ def __repr__(self):
#
class Lock(SemLock):
'''
A non-recursive lock object
'''
def __init__(self):
SemLock.__init__(self, SEMAPHORE, 1, 1)
@ -126,7 +132,9 @@ def __repr__(self):
#
class RLock(SemLock):
'''
A recursive lock object
'''
def __init__(self):
SemLock.__init__(self, RECURSIVE_MUTEX, 1, 1)
@ -152,6 +160,9 @@ def __repr__(self):
#
class Condition(object):
'''
A condition object
'''
def __init__(self, lock=None):
self._lock = lock or RLock()
@ -252,7 +263,9 @@ def notify_all(self):
#
class Event(object):
'''
An event object
'''
def __init__(self):
self._cond = Condition(Lock())
self._flag = Semaphore(0)