def __enter__(self):
self.critical = Semaphore(1)
self._errormon = ErrorMonitor()
self._slavemon = SlaveMonitor(self._errormon)
shared = sharedmem.empty((),
dtype=[
('ordered', 'intp'),
('barrier', 'intp'),
('dynamic', 'intp'),
])
self._barrier = Barrier(self.num_threads, shared['barrier'][...])
self._Ordered = MetaOrdered(self, shared['ordered'][...], Semaphore(1))
self._StaticForLoop = MetaStaticForLoop(self)
self._DynamicForLoop = MetaDynamicForLoop(self, Semaphore(1),
shared['dynamic'][...])
for param in self._variables:
param.beforefork(self)
self._fork()
for param in self._variables:
param.afterfork(self)
if self.master:
self._errormon.start()
self._slavemon.start()
LongJump.listen(self)
return self
def __init__(self, n, count):
self.n = n
self.count = count
self.count[...] = 0
self.mutex = Semaphore(1)
self.turnstile = Semaphore(0)
self.turnstile2 = Semaphore(0)
def __init__(self, maxsize=0):
Queue.__init__(self, maxsize)
self._unfinished_tasks = Semaphore(0)
self._cond = Condition()
def Semaphore(value=1):
"""
Returns a semaphore object
"""
from multiprocessing.synchronize import Semaphore
return Semaphore(value)
def Semaphore(value=1):
from multiprocessing.synchronize import Semaphore
return Semaphore(value)
