This class provides a guard that, upon its destruction, will remove (pop) the indicated element from the FixedQueue object supplied at construction. Note that this guard is used to provide exception safety when popping an element from a FixedQueue object.

Synopsis

Declared in <bdlcc_fixedqueue.h>

template<class VAL>
class FixedQueue_PopGuard;

Member Functions

Name

Description

FixedQueue_PopGuard [constructor]

Create a guard that, upon its destruction, will update the state of the specified queue to remove (pop) the element at the specified index having the specified generation, and destroy that popped object. The behavior is undefined unless index and generation refer to a valid element in queue that the current thread has acquired a reservation to pop (using FixedQueueIndexManager::reservePopIndex).

~FixedQueue_PopGuard [destructor]

Update the state of the FixedQueue object supplied at construction to remove (pop) the indicated element, and destroy the popped object.

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