BloombergLP::bdlcc::FixedQueue

This class provides a thread‐aware, lock‐free, fixed‐size queue of values.

Synopsis

Declared in <bdlcc_fixedqueue.h>

template<class TYPE>
class FixedQueue;

Name

Description

FixedQueue [constructor]

Create a thread‐aware lock‐free queue of the specified capacity.

Destroy this object.

Return the maximum number of elements that may be stored in this queue.

Disable this queue.

Enable queuing. If the queue is not disabled, this call has no effect.

Return true if this queue is empty (has no elements), or false otherwise.

Return true if this queue is enabled, and false otherwise. Note that the queue is created in the "enabled" state.

Return true if this queue is full (when the number of elements currently in this queue equals its capacity), or false otherwise.

DEPRECATED: Use numElements() instead.

Returns the number of elements currently in this queue.

popFront overloads

pushBack overloads

Remove all items from this queue.

DEPRECATED: Use capacity() instead.

Attempt to remove the front element without blocking.

tryPushBack overloads

Declare that this type uses a bslma allocator.

Name

Description

This class provides a destruction guard that pops an element from a FixedQueue.

This class provides a proctor that clears a FixedQueue on destruction unless released.

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