sentinel A numeric handle of a system object which will become “ready” when the process ends. You

cmd Command that was used to spawn the child process.

broken A boolean that is True if the barrier is in the broken state.

subprocess.check_output(args, *, stdin=None, stderr=None, shell=False, universal_newlines=False, timeout=None) Run command with

start() Start the process’s activity. This must be called at most once per process object. It

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

is_alive() Return whether the process is alive. Roughly, a process object is alive from the

Popen.returncode The child return code, set by poll() and wait() (and indirectly by communicate())

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

name A string used for identification purposes only. It has no semantics. Multiple threads may be given the same name. The initial