This module has no docstring.
Semaphore/Mutex type
acquire(...) acquire the semaphore/lock
release(...) release the semaphore/lock
SEM_VALUE_MAX = 2147483647
handle = <member 'handle' of '_multiprocessing.SemLock' objects>
kind = <member 'kind' of '_multiprocessing.SemLock' objects>
maxvalue = <member 'maxvalue' of '_multiprocessing.SemLock' objects>
name = <member 'name' of '_multiprocessing.SemLock' objects>
sem_unlink(...)
flags = {'HAVE_SEM_OPEN': 1, 'HAVE_SEM_TIMEDWAIT': 1}