Part of twisted.internet.defer View Source View In Hierarchy
| Instance Variables | locked | True when this Lock has been acquired, false at all other
times. Do not change this value, but it is useful to examine for the
equivalent of a "non-blocking" acquisition.
|
| Method | acquire | Attempt to acquire the lock. Returns a Deferred that
fires on lock acquisition with the DeferredLock
as the value. If the lock is locked, then the Deferred is placed at the
end of a waiting list.
|
| Method | release | Release the lock. If there is a waiting list, then the first Deferred in
that waiting list will be called back.
|
Inherited from _ConcurrencyPrimitive:
| Method | __init__ | Undocumented |
| Method | run | Acquire, run, release. |
| Method | _releaseAndReturn | Undocumented |
Deferred that
fires on lock acquisition with the DeferredLock
as the value. If the lock is locked, then the Deferred is placed at the
end of a waiting list.
| Returns | a Deferred which
fires on lock acquisition.
(type: a Deferred
) | |