folly::EventBase::OnDestructionCallback::cancel

Attempts to cancel the callback.

Synopsis

Declared in <folly/io/async/EventBase.h>

bool
cancel();

Description

If the callback is running or has already finished running, cancellation will fail. If the callback is running when cancel() is called, cancel() will block until the callback completes.

Return Value

True if the callback was cancelled before running.

Created with MrDocs