Class mutex

Instance Methods

__init__(self)
Create a new mutex -- initially unlocked.

test(self)
Test the locked bit of the mutex.

testandset(self)
Atomic test-and-set -- grab the lock if it is not set, return True if it succeeded.

lock(self, function, argument)
Lock a mutex, call the function with supplied argument when it is acquired.

unlock(self)
Unlock a mutex.

Method Details

Lock a mutex, call the function with supplied argument when it is acquired. If the mutex is already locked, place function and argument in the queue.

Unlock a mutex. If the queue is not empty, call the next function with its argument.