n_waiting The number of threads currently waiting in the barrier.

subprocess.getoutput(cmd) Return output (stdout and stderr) of executing cmd in a shell. Like

clear() Reset the internal flag to false. Subsequently, threads calling wait() will block until set()

timeout Timeout in seconds.

_getvalue() Return a copy of the referent. If the referent is unpicklable then this will raise

Lock() Create a shared

class sched.scheduler(timefunc=time.monotonic, delayfunc=time.sleep) The scheduler class defines a generic interface

class multiprocessing.Semaphore([value]) A semaphore object: a close analog of

Queue.put_nowait(item) Equivalent to put(item, False).

multiprocessing.connection.Client(address[, family[, authenticate[, authkey]]]) Attempt to set up a connection to the listener