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tbb::strict_ppl::concurrent_queue< T, A > Class Template Reference
Containers

A high-performance thread-safe non-blocking concurrent queue. More...

`#include <concurrent_queue.h>`

Inheritance diagram for tbb::strict_ppl::concurrent_queue< T, A >:

## Public Types
typedef T | value_type
| Element type in the queue.
typedef T & | reference
| Reference type.
typedef const T & | const_reference
| Const reference type.
typedef size_t | size_type
| Integral type for representing size of the queue.
typedef ptrdiff_t | difference_type
| Difference type for iterator.
typedef A | allocator_type
| Allocator type.
typedef internal::concurrent_queue_iterator < concurrent_queue, T > | iterator
typedef internal::concurrent_queue_iterator < concurrent_queue, const T > | const_iterator

## Public Member Functions
| concurrent_queue (const allocator_type &a=allocator_type())
| Construct empty queue.
template<typename InputIterator >
| concurrent_queue (InputIterator begin, InputIterator end, const allocator_type &a=allocator_type())
| [begin,end) constructor
| concurrent_queue (const concurrent_queue &src, const allocator_type &a=allocator_type())
| Copy constructor.
| concurrent_queue (concurrent_queue &&src)
| Move constructors.
| concurrent_queue (concurrent_queue &&src, const allocator_type &a)
| ~concurrent_queue ()
| Destroy queue.
void | push (const T &source)
| Enqueue an item at tail of queue.
void | push (T &&source)
template<typename... Arguments>
void | emplace (Arguments &&...args)
bool | try_pop (T &result)
| Attempt to dequeue an item from head of queue. More...
size_type | unsafe_size () const
| Return the number of items in the queue; thread unsafe.
bool | empty () const
| Equivalent to size()==0.
void | clear ()
| Clear the queue. not thread-safe.
allocator_type | get_allocator () const
| Return allocator object.
iterator | unsafe_begin ()
iterator | unsafe_end ()
const_iterator | unsafe_begin () const
const_iterator | unsafe_end () const

## Friends
template<typename Container , typename Value >
class | internal::concurrent_queue_iterator

## Detailed Description

### template<typename T, typename A = cache_aligned_allocator<T>>
class tbb::strict_ppl::concurrent_queue< T, A >

A high-performance thread-safe non-blocking concurrent queue.

Multiple threads may each push and pop concurrently. Assignment construction is not allowed.

## Member Function Documentation

template<typename T , typename A = cache_aligned_allocator<T>>

bool tbb::strict_ppl::concurrent_queue< T, A >::try_pop | ( | T & | result) |  |
| inline

Attempt to dequeue an item from head of queue.

Does not wait for item to become available. Returns true if successful; false otherwise.

The documentation for this class was generated from the following file:

- concurrent_queue.h

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