Intel(R) Threading Building Blocks Doxygen Documentation version 4.2.3
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tbb::concurrent_vector< T, A > Class Template Reference

Concurrent vector container. More...

#include <concurrent_vector.h>

Inheritance diagram for tbb::concurrent_vector< T, A >:
Collaboration diagram for tbb::concurrent_vector< T, A >:

Classes

class  generic_range_type
 
class  internal_loop_guide
 Exception-aware helper class for filling a segment by exception-danger operators of user class. More...
 
class  is_integer_tag
 True/false function override helper. More...
 
struct  push_back_helper
 

Public Types

typedef internal::concurrent_vector_base_v3::size_type size_type
 
typedef internal::allocator_base< T, A >::allocator_type allocator_type
 
typedef T value_type
 
typedef ptrdiff_t difference_type
 
typedef T & reference
 
typedef const T & const_reference
 
typedef T * pointer
 
typedef const T * const_pointer
 
typedef internal::vector_iterator< concurrent_vector, T > iterator
 
typedef internal::vector_iterator< concurrent_vector, const T > const_iterator
 
typedef std::reverse_iterator< iteratorreverse_iterator
 
typedef std::reverse_iterator< const_iteratorconst_reverse_iterator
 
typedef generic_range_type< iteratorrange_type
 
typedef generic_range_type< const_iteratorconst_range_type
 

Public Member Functions

 concurrent_vector (const allocator_type &a=allocator_type())
 Construct empty vector. More...
 
 concurrent_vector (std::initializer_list< T > init_list, const allocator_type &a=allocator_type())
 Constructor from initializer_list. More...
 
 concurrent_vector (const concurrent_vector &vector, const allocator_type &a=allocator_type())
 Copying constructor. More...
 
 concurrent_vector (concurrent_vector &&source)
 Move constructor. More...
 
 concurrent_vector (concurrent_vector &&source, const allocator_type &a)
 
template<class M >
__TBB_DEPRECATED concurrent_vector (const concurrent_vector< T, M > &vector, const allocator_type &a=allocator_type())
 Copying constructor for vector with different allocator type. More...
 
 concurrent_vector (size_type n)
 Construction with initial size specified by argument n. More...
 
 concurrent_vector (size_type n, const_reference t, const allocator_type &a=allocator_type())
 Construction with initial size specified by argument n, initialization by copying of t, and given allocator instance. More...
 
template<class I >
 concurrent_vector (I first, I last, const allocator_type &a=allocator_type())
 Construction with copying iteration range and given allocator instance. More...
 
concurrent_vectoroperator= (const concurrent_vector &vector)
 Assignment. More...
 
concurrent_vectoroperator= (concurrent_vector &&other)
 Move assignment. More...
 
template<class M >
__TBB_DEPRECATED concurrent_vectoroperator= (const concurrent_vector< T, M > &vector)
 Assignment for vector with different allocator type. More...
 
concurrent_vectoroperator= (std::initializer_list< T > init_list)
 Assignment for initializer_list. More...
 
iterator grow_by (size_type delta)
 Grow by "delta" elements. More...
 
iterator grow_by (size_type delta, const_reference t)
 Grow by "delta" elements using copying constructor. More...
 
template<typename I >
iterator grow_by (I first, I last)
 
iterator grow_by (std::initializer_list< T > init_list)
 
iterator grow_to_at_least (size_type n)
 Append minimal sequence of elements such that size()>=n. More...
 
iterator grow_to_at_least (size_type n, const_reference t)
 
iterator push_back (const_reference item)
 Push item. More...
 
iterator push_back (T &&item)
 Push item, move-aware. More...
 
template<typename... Args>
iterator emplace_back (Args &&... args)
 Push item, create item "in place" with provided arguments. More...
 
reference operator[] (size_type index)
 Get reference to element at given index. More...
 
const_reference operator[] (size_type index) const
 Get const reference to element at given index. More...
 
reference at (size_type index)
 Get reference to element at given index. Throws exceptions on errors. More...
 
const_reference at (size_type index) const
 Get const reference to element at given index. Throws exceptions on errors. More...
 
range_type range (size_t grainsize=1)
 Get range for iterating with parallel algorithms. More...
 
const_range_type range (size_t grainsize=1) const
 Get const range for iterating with parallel algorithms. More...
 
size_type size () const
 Return size of vector. It may include elements under construction. More...
 
bool empty () const
 Return false if vector is not empty or has elements under construction at least. More...
 
size_type capacity () const
 Maximum size to which array can grow without allocating more memory. Concurrent allocations are not included in the value. More...
 
void reserve (size_type n)
 Allocate enough space to grow to size n without having to allocate more memory later. More...
 
void resize (size_type n)
 Resize the vector. Not thread-safe. More...
 
void resize (size_type n, const_reference t)
 Resize the vector, copy t for new elements. Not thread-safe. More...
 
void shrink_to_fit ()
 Optimize memory usage and fragmentation. More...
 
size_type max_size () const
 Upper bound on argument to reserve. More...
 
iterator begin ()
 start iterator More...
 
iterator end ()
 end iterator More...
 
const_iterator begin () const
 start const iterator More...
 
const_iterator end () const
 end const iterator More...
 
const_iterator cbegin () const
 start const iterator More...
 
const_iterator cend () const
 end const iterator More...
 
reverse_iterator rbegin ()
 reverse start iterator More...
 
reverse_iterator rend ()
 reverse end iterator More...
 
const_reverse_iterator rbegin () const
 reverse start const iterator More...
 
const_reverse_iterator rend () const
 reverse end const iterator More...
 
const_reverse_iterator crbegin () const
 reverse start const iterator More...
 
const_reverse_iterator crend () const
 reverse end const iterator More...
 
reference front ()
 the first item More...
 
const_reference front () const
 the first item const More...
 
reference back ()
 the last item More...
 
const_reference back () const
 the last item const More...
 
allocator_type get_allocator () const
 return allocator object More...
 
void assign (size_type n, const_reference t)
 assign n items by copying t item More...
 
template<class I >
void assign (I first, I last)
 assign range [first, last) More...
 
void assign (std::initializer_list< T > init_list)
 assigns an initializer list More...
 
void swap (concurrent_vector &vector)
 swap two instances More...
 
void clear ()
 Clear container while keeping memory allocated. More...
 
 ~concurrent_vector ()
 Clear and destroy vector. More...
 
const internal::concurrent_vector_base_v3internal_vector_base () const
 
template<typename I >
void copy_range (void *dst, const void *p_type_erased_iterator, size_type n)
 

Private Member Functions

void internal_free_segments (segment_t table[], segment_index_t k, segment_index_t first_block)
 Free k segments from table. More...
 
T & internal_subscript (size_type index) const
 Get reference to element at given index. More...
 
T & internal_subscript_with_exceptions (size_type index) const
 Get reference to element at given index with errors checks. More...
 
void internal_assign_n (size_type n, const_pointer p)
 assign n items by copying t More...
 
template<class I >
void internal_assign_range (I first, I last, is_integer_tag< true > *)
 assign integer items by copying when arguments are treated as iterators. See C++ Standard 2003 23.1.1p9 More...
 
template<class I >
void internal_assign_range (I first, I last, is_integer_tag< false > *)
 inline proxy assign by iterators More...
 
template<class I >
void internal_assign_iterators (I first, I last)
 assign by iterators More...
 
- Private Member Functions inherited from tbb::internal::concurrent_vector_base_v3
 concurrent_vector_base_v3 ()
 
__TBB_EXPORTED_METHOD ~concurrent_vector_base_v3 ()
 
void __TBB_EXPORTED_METHOD internal_reserve (size_type n, size_type element_size, size_type max_size)
 
size_type __TBB_EXPORTED_METHOD internal_capacity () const
 
void internal_grow (size_type start, size_type finish, size_type element_size, internal_array_op2 init, const void *src)
 
size_type __TBB_EXPORTED_METHOD internal_grow_by (size_type delta, size_type element_size, internal_array_op2 init, const void *src)
 
void *__TBB_EXPORTED_METHOD internal_push_back (size_type element_size, size_type &index)
 
segment_index_t __TBB_EXPORTED_METHOD internal_clear (internal_array_op1 destroy)
 
void *__TBB_EXPORTED_METHOD internal_compact (size_type element_size, void *table, internal_array_op1 destroy, internal_array_op2 copy)
 
void __TBB_EXPORTED_METHOD internal_copy (const concurrent_vector_base_v3 &src, size_type element_size, internal_array_op2 copy)
 
void __TBB_EXPORTED_METHOD internal_assign (const concurrent_vector_base_v3 &src, size_type element_size, internal_array_op1 destroy, internal_array_op2 assign, internal_array_op2 copy)
 
void __TBB_EXPORTED_METHOD internal_throw_exception (size_type) const
 Obsolete. More...
 
void __TBB_EXPORTED_METHOD internal_swap (concurrent_vector_base_v3 &v)
 
void __TBB_EXPORTED_METHOD internal_resize (size_type n, size_type element_size, size_type max_size, const void *src, internal_array_op1 destroy, internal_array_op2 init)
 
size_type __TBB_EXPORTED_METHOD internal_grow_to_at_least_with_result (size_type new_size, size_type element_size, internal_array_op2 init, const void *src)
 
void __TBB_EXPORTED_METHOD internal_grow_to_at_least (size_type new_size, size_type element_size, internal_array_op2 init, const void *src)
 Deprecated entry point for backwards compatibility to TBB 2.1. More...
 

Static Private Member Functions

static voidinternal_allocator (internal::concurrent_vector_base_v3 &vb, size_t k)
 Allocate k items. More...
 
static void __TBB_EXPORTED_FUNC initialize_array (void *begin, const void *, size_type n)
 Construct n instances of T, starting at "begin". More...
 
static void __TBB_EXPORTED_FUNC initialize_array_by (void *begin, const void *src, size_type n)
 Copy-construct n instances of T, starting at "begin". More...
 
static void __TBB_EXPORTED_FUNC copy_array (void *dst, const void *src, size_type n)
 Copy-construct n instances of T by copying single element pointed to by src, starting at "dst". More...
 
static void __TBB_EXPORTED_FUNC move_array (void *dst, const void *src, size_type n)
 Move-construct n instances of T, starting at "dst" by copying according element of src array. More...
 
static void __TBB_EXPORTED_FUNC move_assign_array (void *dst, const void *src, size_type n)
 Move-assign (using operator=) n instances of T, starting at "dst" by assigning according element of src array. More...
 
template<typename Iterator >
static void __TBB_EXPORTED_FUNC copy_range (void *dst, const void *p_type_erased_iterator, size_type n)
 Copy-construct n instances of T, starting at "dst" by iterator range of [p_type_erased_iterator, p_type_erased_iterator+n). More...
 
static void __TBB_EXPORTED_FUNC assign_array (void *dst, const void *src, size_type n)
 Assign (using operator=) n instances of T, starting at "dst" by assigning according element of src array. More...
 
static void __TBB_EXPORTED_FUNC destroy_array (void *begin, size_type n)
 Destroy n instances of T, starting at "begin". More...
 
- Static Private Member Functions inherited from tbb::internal::concurrent_vector_base_v3
static segment_index_t segment_index_of (size_type index)
 
static segment_index_t segment_base (segment_index_t k)
 
static segment_index_t segment_base_index_of (segment_index_t &index)
 
static size_type segment_size (segment_index_t k)
 
static bool is_first_element_in_segment (size_type element_index)
 

Friends

template<typename C , typename U >
class internal::vector_iterator
 

Additional Inherited Members

- Protected Types inherited from tbb::internal::allocator_base< T, A >
typedef tbb::internal::allocator_rebind< A, T >::type allocator_type
 
- Protected Member Functions inherited from tbb::internal::allocator_base< T, A >
 allocator_base (const allocator_type &a=allocator_type())
 
- Protected Attributes inherited from tbb::internal::allocator_base< T, A >
allocator_type my_allocator
 
- Private Types inherited from tbb::internal::concurrent_vector_base_v3
enum  { default_initial_segments = 1 , pointers_per_short_table = 3 , pointers_per_long_table = sizeof(segment_index_t) * 8 }
 
typedef size_t segment_index_t
 
typedef size_t size_type
 
typedef void(__TBB_EXPORTED_FUNCinternal_array_op1) (void *begin, size_type n)
 An operation on an n-element array starting at begin. More...
 
typedef void(__TBB_EXPORTED_FUNCinternal_array_op2) (void *dst, const void *src, size_type n)
 An operation on n-element destination array and n-element source array. More...
 
- Private Attributes inherited from tbb::internal::concurrent_vector_base_v3
void *(* vector_allocator_ptr )(concurrent_vector_base_v3 &, size_t)
 allocator function pointer More...
 
atomic< size_typemy_first_block
 count of segments in the first block More...
 
atomic< size_typemy_early_size
 Requested size of vector. More...
 
atomic< segment_t * > my_segment
 Pointer to the segments table. More...
 
segment_t my_storage [pointers_per_short_table]
 embedded storage of segment pointers More...
 

Detailed Description

template<typename T, class A>
class tbb::concurrent_vector< T, A >

Concurrent vector container.

concurrent_vector is a container having the following main properties:

  • It provides random indexed access to its elements. The index of the first element is 0.
  • It ensures safe concurrent growing its size (different threads can safely append new elements).
  • Adding new elements does not invalidate existing iterators and does not change indices of existing items.
Compatibility
The class meets all Container Requirements and Reversible Container Requirements from C++ Standard (See ISO/IEC 14882:2003(E), clause 23.1). But it doesn't meet Sequence Requirements due to absence of insert() and erase() methods.
Exception Safety
Methods working with memory allocation and/or new elements construction can throw an exception if allocator fails to allocate memory or element's default constructor throws one. Concurrent vector's element of type T must conform to the following requirements:
  • Throwing an exception is forbidden for destructor of T.
  • Default constructor of T must not throw an exception OR its non-virtual destructor must safely work when its object memory is zero-initialized.
Otherwise, the program's behavior is undefined.
If an exception happens inside growth or assignment operation, an instance of the vector becomes invalid unless it is stated otherwise in the method documentation. Invalid state means:
  • There are no guarantees that all items were initialized by a constructor. The rest of items is zero-filled, including item where exception happens.
  • An invalid vector instance cannot be repaired; it is unable to grow anymore.
  • Size and capacity reported by the vector are incorrect, and calculated as if the failed operation were successful.
  • Attempt to access not allocated elements using operator[] or iterators results in access violation or segmentation fault exception, and in case of using at() method a C++ exception is thrown.
If a concurrent grow operation successfully completes, all the elements it has added to the vector will remain valid and accessible even if one of subsequent grow operations fails.
Fragmentation
Unlike an STL vector, a concurrent_vector does not move existing elements if it needs to allocate more memory. The container is divided into a series of contiguous arrays of elements. The first reservation, growth, or assignment operation determines the size of the first array. Using small number of elements as initial size incurs fragmentation that may increase element access time. Internal layout can be optimized by method compact() that merges several smaller arrays into one solid.
Changes since TBB 2.1
  • Fixed guarantees of concurrent_vector::size() and grow_to_at_least() methods to assure elements are allocated.
  • Methods end()/rbegin()/back() are partly thread-safe since they use size() to get the end of vector
  • Added resize() methods (not thread-safe)
  • Added cbegin/cend/crbegin/crend methods
  • Changed return type of methods grow* and push_back to iterator
Changes since TBB 2.0
  • Implemented exception-safety guarantees
  • Added template argument for allocator
  • Added allocator argument in constructors
  • Faster index calculation
  • First growth call specifies a number of segments to be merged in the first allocation.
  • Fixed memory blow up for swarm of vector's instances of small size
  • Added grow_by(size_type n, const_reference t) growth using copying constructor to init new items.
  • Added STL-like constructors.
  • Added operators ==, < and derivatives
  • Added at() method, approved for using after an exception was thrown inside the vector
  • Added get_allocator() method.
  • Added assign() methods
  • Added compact() method to defragment first segments
  • Added swap() method
  • range() defaults on grainsize = 1 supporting auto grainsize algorithms.

Definition at line 550 of file concurrent_vector.h.

Member Typedef Documentation

◆ allocator_type

template<typename T , class A >
typedef internal::allocator_base<T,A>::allocator_type tbb::concurrent_vector< T, A >::allocator_type

Definition at line 575 of file concurrent_vector.h.

◆ const_iterator

template<typename T , class A >
typedef internal::vector_iterator<concurrent_vector,const T> tbb::concurrent_vector< T, A >::const_iterator

Definition at line 585 of file concurrent_vector.h.

◆ const_pointer

template<typename T , class A >
typedef const T* tbb::concurrent_vector< T, A >::const_pointer

Definition at line 582 of file concurrent_vector.h.

◆ const_range_type

template<typename T , class A >
typedef generic_range_type<const_iterator> tbb::concurrent_vector< T, A >::const_range_type

Definition at line 601 of file concurrent_vector.h.

◆ const_reference

template<typename T , class A >
typedef const T& tbb::concurrent_vector< T, A >::const_reference

Definition at line 580 of file concurrent_vector.h.

◆ const_reverse_iterator

template<typename T , class A >
typedef std::reverse_iterator<const_iterator> tbb::concurrent_vector< T, A >::const_reverse_iterator

Definition at line 590 of file concurrent_vector.h.

◆ difference_type

template<typename T , class A >
typedef ptrdiff_t tbb::concurrent_vector< T, A >::difference_type

Definition at line 578 of file concurrent_vector.h.

◆ iterator

template<typename T , class A >
typedef internal::vector_iterator<concurrent_vector,T> tbb::concurrent_vector< T, A >::iterator

Definition at line 584 of file concurrent_vector.h.

◆ pointer

template<typename T , class A >
typedef T* tbb::concurrent_vector< T, A >::pointer

Definition at line 581 of file concurrent_vector.h.

◆ range_type

template<typename T , class A >
typedef generic_range_type<iterator> tbb::concurrent_vector< T, A >::range_type

Definition at line 600 of file concurrent_vector.h.

◆ reference

template<typename T , class A >
typedef T& tbb::concurrent_vector< T, A >::reference

Definition at line 579 of file concurrent_vector.h.

◆ reverse_iterator

template<typename T , class A >
typedef std::reverse_iterator<iterator> tbb::concurrent_vector< T, A >::reverse_iterator

Definition at line 589 of file concurrent_vector.h.

◆ size_type

template<typename T , class A >
typedef internal::concurrent_vector_base_v3::size_type tbb::concurrent_vector< T, A >::size_type

Definition at line 574 of file concurrent_vector.h.

◆ value_type

template<typename T , class A >
typedef T tbb::concurrent_vector< T, A >::value_type

Definition at line 577 of file concurrent_vector.h.

Constructor & Destructor Documentation

◆ concurrent_vector() [1/9]

template<typename T , class A >
tbb::concurrent_vector< T, A >::concurrent_vector ( const allocator_type a = allocator_type())
inlineexplicit

Construct empty vector.

Definition at line 608 of file concurrent_vector.h.

609 : internal::allocator_base<T, A>(a), internal::concurrent_vector_base()
610 {
612 }
concurrent_vector_base_v3 concurrent_vector_base
static void * internal_allocator(internal::concurrent_vector_base_v3 &vb, size_t k)
Allocate k items.
void *(* vector_allocator_ptr)(concurrent_vector_base_v3 &, size_t)
allocator function pointer

References tbb::concurrent_vector< T, A >::internal_allocator(), and tbb::internal::concurrent_vector_base_v3::vector_allocator_ptr.

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◆ concurrent_vector() [2/9]

template<typename T , class A >
tbb::concurrent_vector< T, A >::concurrent_vector ( std::initializer_list< T >  init_list,
const allocator_type a = allocator_type() 
)
inline

Constructor from initializer_list.

Definition at line 618 of file concurrent_vector.h.

619 : internal::allocator_base<T, A>(a), internal::concurrent_vector_base()
620 {
622 __TBB_TRY {
623 internal_assign_iterators(init_list.begin(), init_list.end());
624 } __TBB_CATCH(...) {
625 segment_t *table = my_segment.load<relaxed>();;
628 }
629
630 }
#define __TBB_CATCH(e)
Definition: tbb_stddef.h:284
#define __TBB_TRY
Definition: tbb_stddef.h:283
#define __TBB_RETHROW()
Definition: tbb_stddef.h:286
@ relaxed
No ordering.
Definition: atomic.h:61
void internal_free_segments(segment_t table[], segment_index_t k, segment_index_t first_block)
Free k segments from table.
static void __TBB_EXPORTED_FUNC destroy_array(void *begin, size_type n)
Destroy n instances of T, starting at "begin".
void internal_assign_iterators(I first, I last)
assign by iterators
segment_index_t __TBB_EXPORTED_METHOD internal_clear(internal_array_op1 destroy)
atomic< segment_t * > my_segment
Pointer to the segments table.
atomic< size_type > my_first_block
count of segments in the first block

References __TBB_CATCH, __TBB_RETHROW, __TBB_TRY, tbb::concurrent_vector< T, A >::destroy_array(), tbb::concurrent_vector< T, A >::internal_allocator(), tbb::concurrent_vector< T, A >::internal_assign_iterators(), tbb::internal::concurrent_vector_base_v3::internal_clear(), tbb::concurrent_vector< T, A >::internal_free_segments(), tbb::internal::concurrent_vector_base_v3::my_first_block, tbb::internal::concurrent_vector_base_v3::my_segment, tbb::relaxed, and tbb::internal::concurrent_vector_base_v3::vector_allocator_ptr.

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◆ concurrent_vector() [3/9]

template<typename T , class A >
tbb::concurrent_vector< T, A >::concurrent_vector ( const concurrent_vector< T, A > &  vector,
const allocator_type a = allocator_type() 
)
inline

Copying constructor.

Definition at line 634 of file concurrent_vector.h.

635 : internal::allocator_base<T, A>(a), internal::concurrent_vector_base()
636 {
638 __TBB_TRY {
639 internal_copy(vector, sizeof(T), &copy_array);
640 } __TBB_CATCH(...) {
641 segment_t *table = my_segment.load<relaxed>();
644 }
645 }
static void __TBB_EXPORTED_FUNC copy_array(void *dst, const void *src, size_type n)
Copy-construct n instances of T by copying single element pointed to by src, starting at "dst".
void __TBB_EXPORTED_METHOD internal_copy(const concurrent_vector_base_v3 &src, size_type element_size, internal_array_op2 copy)

References __TBB_CATCH, __TBB_RETHROW, __TBB_TRY, tbb::concurrent_vector< T, A >::copy_array(), tbb::concurrent_vector< T, A >::destroy_array(), tbb::concurrent_vector< T, A >::internal_allocator(), tbb::internal::concurrent_vector_base_v3::internal_clear(), tbb::internal::concurrent_vector_base_v3::internal_copy(), tbb::concurrent_vector< T, A >::internal_free_segments(), tbb::internal::concurrent_vector_base_v3::my_first_block, tbb::internal::concurrent_vector_base_v3::my_segment, tbb::relaxed, and tbb::internal::concurrent_vector_base_v3::vector_allocator_ptr.

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◆ concurrent_vector() [4/9]

template<typename T , class A >
tbb::concurrent_vector< T, A >::concurrent_vector ( concurrent_vector< T, A > &&  source)
inline

Move constructor.

Definition at line 650 of file concurrent_vector.h.

651 : internal::allocator_base<T, A>(std::move(source)), internal::concurrent_vector_base()
652 {
655 }
void __TBB_EXPORTED_METHOD internal_swap(concurrent_vector_base_v3 &v)

References tbb::concurrent_vector< T, A >::internal_allocator(), tbb::internal::concurrent_vector_base_v3::internal_swap(), tbb::move(), and tbb::internal::concurrent_vector_base_v3::vector_allocator_ptr.

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◆ concurrent_vector() [5/9]

template<typename T , class A >
tbb::concurrent_vector< T, A >::concurrent_vector ( concurrent_vector< T, A > &&  source,
const allocator_type a 
)
inline

Definition at line 657 of file concurrent_vector.h.

658 : internal::allocator_base<T, A>(a), internal::concurrent_vector_base()
659 {
661 //C++ standard requires instances of an allocator being compared for equality,
662 //which means that memory allocated by one instance is possible to deallocate with the other one.
663 if (a == source.my_allocator) {
665 } else {
666 __TBB_TRY {
667 internal_copy(source, sizeof(T), &move_array);
668 } __TBB_CATCH(...) {
669 segment_t *table = my_segment.load<relaxed>();
672 }
673 }
674 }
static void __TBB_EXPORTED_FUNC move_array(void *dst, const void *src, size_type n)
Move-construct n instances of T, starting at "dst" by copying according element of src array.

References __TBB_CATCH, __TBB_RETHROW, __TBB_TRY, tbb::concurrent_vector< T, A >::destroy_array(), tbb::concurrent_vector< T, A >::internal_allocator(), tbb::internal::concurrent_vector_base_v3::internal_clear(), tbb::internal::concurrent_vector_base_v3::internal_copy(), tbb::concurrent_vector< T, A >::internal_free_segments(), tbb::internal::concurrent_vector_base_v3::internal_swap(), tbb::concurrent_vector< T, A >::move_array(), tbb::internal::concurrent_vector_base_v3::my_first_block, tbb::internal::concurrent_vector_base_v3::my_segment, tbb::relaxed, and tbb::internal::concurrent_vector_base_v3::vector_allocator_ptr.

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◆ concurrent_vector() [6/9]

template<typename T , class A >
template<class M >
__TBB_DEPRECATED tbb::concurrent_vector< T, A >::concurrent_vector ( const concurrent_vector< T, M > &  vector,
const allocator_type a = allocator_type() 
)
inline

◆ concurrent_vector() [7/9]

template<typename T , class A >
tbb::concurrent_vector< T, A >::concurrent_vector ( size_type  n)
inlineexplicit

Construction with initial size specified by argument n.

Definition at line 694 of file concurrent_vector.h.

695 {
697 __TBB_TRY {
698 internal_resize( n, sizeof(T), max_size(), NULL, &destroy_array, &initialize_array );
699 } __TBB_CATCH(...) {
700 segment_t *table = my_segment.load<relaxed>();
703 }
704 }
static void __TBB_EXPORTED_FUNC initialize_array(void *begin, const void *, size_type n)
Construct n instances of T, starting at "begin".
size_type max_size() const
Upper bound on argument to reserve.
void __TBB_EXPORTED_METHOD internal_resize(size_type n, size_type element_size, size_type max_size, const void *src, internal_array_op1 destroy, internal_array_op2 init)

References __TBB_CATCH, __TBB_RETHROW, __TBB_TRY, tbb::concurrent_vector< T, A >::destroy_array(), tbb::concurrent_vector< T, A >::initialize_array(), tbb::concurrent_vector< T, A >::internal_allocator(), tbb::internal::concurrent_vector_base_v3::internal_clear(), tbb::concurrent_vector< T, A >::internal_free_segments(), tbb::internal::concurrent_vector_base_v3::internal_resize(), tbb::concurrent_vector< T, A >::max_size(), tbb::internal::concurrent_vector_base_v3::my_first_block, tbb::internal::concurrent_vector_base_v3::my_segment, tbb::relaxed, and tbb::internal::concurrent_vector_base_v3::vector_allocator_ptr.

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◆ concurrent_vector() [8/9]

template<typename T , class A >
tbb::concurrent_vector< T, A >::concurrent_vector ( size_type  n,
const_reference  t,
const allocator_type a = allocator_type() 
)
inline

Construction with initial size specified by argument n, initialization by copying of t, and given allocator instance.

Definition at line 707 of file concurrent_vector.h.

708 : internal::allocator_base<T, A>(a)
709 {
711 __TBB_TRY {
712 internal_resize( n, sizeof(T), max_size(), static_cast<const void*>(&t), &destroy_array, &initialize_array_by );
713 } __TBB_CATCH(...) {
714 segment_t *table = my_segment.load<relaxed>();
717 }
718 }
static void __TBB_EXPORTED_FUNC initialize_array_by(void *begin, const void *src, size_type n)
Copy-construct n instances of T, starting at "begin".

References __TBB_CATCH, __TBB_RETHROW, __TBB_TRY, tbb::concurrent_vector< T, A >::destroy_array(), tbb::concurrent_vector< T, A >::initialize_array_by(), tbb::concurrent_vector< T, A >::internal_allocator(), tbb::internal::concurrent_vector_base_v3::internal_clear(), tbb::concurrent_vector< T, A >::internal_free_segments(), tbb::internal::concurrent_vector_base_v3::internal_resize(), tbb::concurrent_vector< T, A >::max_size(), tbb::internal::concurrent_vector_base_v3::my_first_block, tbb::internal::concurrent_vector_base_v3::my_segment, tbb::relaxed, and tbb::internal::concurrent_vector_base_v3::vector_allocator_ptr.

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◆ concurrent_vector() [9/9]

template<typename T , class A >
template<class I >
tbb::concurrent_vector< T, A >::concurrent_vector ( first,
last,
const allocator_type a = allocator_type() 
)
inline

Construction with copying iteration range and given allocator instance.

Definition at line 722 of file concurrent_vector.h.

723 : internal::allocator_base<T, A>(a)
724 {
726 __TBB_TRY {
727 internal_assign_range(first, last, static_cast<is_integer_tag<std::numeric_limits<I>::is_integer> *>(0) );
728 } __TBB_CATCH(...) {
729 segment_t *table = my_segment.load<relaxed>();
732 }
733 }
auto last(Container &c) -> decltype(begin(c))
auto first(Container &c) -> decltype(begin(c))
void internal_assign_range(I first, I last, is_integer_tag< true > *)
assign integer items by copying when arguments are treated as iterators. See C++ Standard 2003 23....

References __TBB_CATCH, __TBB_RETHROW, __TBB_TRY, tbb::concurrent_vector< T, A >::destroy_array(), tbb::internal::first(), tbb::concurrent_vector< T, A >::internal_allocator(), tbb::concurrent_vector< T, A >::internal_assign_range(), tbb::internal::concurrent_vector_base_v3::internal_clear(), tbb::concurrent_vector< T, A >::internal_free_segments(), tbb::internal::last(), tbb::internal::concurrent_vector_base_v3::my_first_block, tbb::internal::concurrent_vector_base_v3::my_segment, tbb::relaxed, and tbb::internal::concurrent_vector_base_v3::vector_allocator_ptr.

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◆ ~concurrent_vector()

template<typename T , class A >
tbb::concurrent_vector< T, A >::~concurrent_vector ( )
inline

Clear and destroy vector.

Definition at line 1023 of file concurrent_vector.h.

1023 {
1024 segment_t *table = my_segment.load<relaxed>();
1026 // base class destructor call should be then
1027 }

References tbb::concurrent_vector< T, A >::destroy_array(), tbb::internal::concurrent_vector_base_v3::internal_clear(), tbb::concurrent_vector< T, A >::internal_free_segments(), tbb::internal::concurrent_vector_base_v3::my_first_block, tbb::internal::concurrent_vector_base_v3::my_segment, and tbb::relaxed.

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Member Function Documentation

◆ assign() [1/3]

template<typename T , class A >
template<class I >
void tbb::concurrent_vector< T, A >::assign ( first,
last 
)
inline

assign range [first, last)

Definition at line 996 of file concurrent_vector.h.

996 {
997 clear(); internal_assign_range( first, last, static_cast<is_integer_tag<std::numeric_limits<I>::is_integer> *>(0) );
998 }
void clear()
Clear container while keeping memory allocated.

References tbb::concurrent_vector< T, A >::clear(), tbb::internal::first(), tbb::concurrent_vector< T, A >::internal_assign_range(), and tbb::internal::last().

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◆ assign() [2/3]

template<typename T , class A >
void tbb::concurrent_vector< T, A >::assign ( size_type  n,
const_reference  t 
)
inline

assign n items by copying t item

Definition at line 989 of file concurrent_vector.h.

989 {
990 clear();
991 internal_resize( n, sizeof(T), max_size(), static_cast<const void*>(&t), &destroy_array, &initialize_array_by );
992 }

References tbb::concurrent_vector< T, A >::clear(), tbb::concurrent_vector< T, A >::destroy_array(), tbb::concurrent_vector< T, A >::initialize_array_by(), tbb::internal::concurrent_vector_base_v3::internal_resize(), and tbb::concurrent_vector< T, A >::max_size().

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◆ assign() [3/3]

template<typename T , class A >
void tbb::concurrent_vector< T, A >::assign ( std::initializer_list< T >  init_list)
inline

assigns an initializer list

Definition at line 1002 of file concurrent_vector.h.

1002 {
1003 clear(); internal_assign_iterators( init_list.begin(), init_list.end());
1004 }

References tbb::concurrent_vector< T, A >::clear(), and tbb::concurrent_vector< T, A >::internal_assign_iterators().

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◆ assign_array()

template<typename T , class A >
void tbb::concurrent_vector< T, A >::assign_array ( void dst,
const void src,
size_type  n 
)
staticprivate

Assign (using operator=) n instances of T, starting at "dst" by assigning according element of src array.

Definition at line 1330 of file concurrent_vector.h.

1330 {
1331 internal_loop_guide loop(n, dst); loop.assign(src);
1332}

References tbb::concurrent_vector< T, A >::internal_loop_guide::assign().

Referenced by tbb::concurrent_vector< T, A >::operator=().

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◆ at() [1/2]

template<typename T , class A >
reference tbb::concurrent_vector< T, A >::at ( size_type  index)
inline

Get reference to element at given index. Throws exceptions on errors.

Definition at line 877 of file concurrent_vector.h.

877 {
879 }
T & internal_subscript_with_exceptions(size_type index) const
Get reference to element at given index with errors checks.

References tbb::concurrent_vector< T, A >::internal_subscript_with_exceptions().

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◆ at() [2/2]

template<typename T , class A >
const_reference tbb::concurrent_vector< T, A >::at ( size_type  index) const
inline

Get const reference to element at given index. Throws exceptions on errors.

Definition at line 882 of file concurrent_vector.h.

882 {
884 }

References tbb::concurrent_vector< T, A >::internal_subscript_with_exceptions().

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◆ back() [1/2]

template<typename T , class A >
reference tbb::concurrent_vector< T, A >::back ( )
inline

the last item

Definition at line 976 of file concurrent_vector.h.

976 {
977 __TBB_ASSERT( size()>0, NULL);
978 return internal_subscript( size()-1 );
979 }
#define __TBB_ASSERT(predicate, comment)
No-op version of __TBB_ASSERT.
Definition: tbb_stddef.h:165
void const char const char int ITT_FORMAT __itt_group_sync x void const char ITT_FORMAT __itt_group_sync s void ITT_FORMAT __itt_group_sync p void ITT_FORMAT p void ITT_FORMAT p no args __itt_suppress_mode_t unsigned int void size_t size
T & internal_subscript(size_type index) const
Get reference to element at given index.

References __TBB_ASSERT, tbb::concurrent_vector< T, A >::internal_subscript(), and size.

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◆ back() [2/2]

template<typename T , class A >
const_reference tbb::concurrent_vector< T, A >::back ( ) const
inline

the last item const

Definition at line 981 of file concurrent_vector.h.

981 {
982 __TBB_ASSERT( size()>0, NULL);
983 return internal_subscript( size()-1 );
984 }

References __TBB_ASSERT, tbb::concurrent_vector< T, A >::internal_subscript(), and size.

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◆ begin() [1/2]

template<typename T , class A >
iterator tbb::concurrent_vector< T, A >::begin ( )
inline

start iterator

Definition at line 940 of file concurrent_vector.h.

940{return iterator(*this,0);}
internal::vector_iterator< concurrent_vector, T > iterator

Referenced by tbb::concurrent_vector< T, A >::crend(), tbb::operator<(), tbb::operator==(), tbb::concurrent_vector< T, A >::range(), and tbb::concurrent_vector< T, A >::rend().

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◆ begin() [2/2]

template<typename T , class A >
const_iterator tbb::concurrent_vector< T, A >::begin ( ) const
inline

start const iterator

Definition at line 944 of file concurrent_vector.h.

944{return const_iterator(*this,0);}
internal::vector_iterator< concurrent_vector, const T > const_iterator

◆ capacity()

template<typename T , class A >
size_type tbb::concurrent_vector< T, A >::capacity ( ) const
inline

Maximum size to which array can grow without allocating more memory. Concurrent allocations are not included in the value.

Definition at line 909 of file concurrent_vector.h.

909{return internal_capacity();}
size_type __TBB_EXPORTED_METHOD internal_capacity() const

References tbb::internal::concurrent_vector_base_v3::internal_capacity().

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◆ cbegin()

template<typename T , class A >
const_iterator tbb::concurrent_vector< T, A >::cbegin ( ) const
inline

start const iterator

Definition at line 948 of file concurrent_vector.h.

948{return const_iterator(*this,0);}

◆ cend()

template<typename T , class A >
const_iterator tbb::concurrent_vector< T, A >::cend ( ) const
inline

end const iterator

Definition at line 950 of file concurrent_vector.h.

950{return const_iterator(*this,size());}

References size.

◆ clear()

template<typename T , class A >
void tbb::concurrent_vector< T, A >::clear ( )
inline

Clear container while keeping memory allocated.

To free up the memory, use in conjunction with method compact(). Not thread safe

Definition at line 1018 of file concurrent_vector.h.

1018 {
1020 }

References tbb::concurrent_vector< T, A >::destroy_array(), and tbb::internal::concurrent_vector_base_v3::internal_clear().

Referenced by tbb::concurrent_vector< T, A >::assign(), and tbb::interface6::enumerable_thread_specific< T, Allocator, ETS_key_type >::clear().

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◆ copy_array()

template<typename T , class A >
void tbb::concurrent_vector< T, A >::copy_array ( void dst,
const void src,
size_type  n 
)
staticprivate

Copy-construct n instances of T by copying single element pointed to by src, starting at "dst".

Definition at line 1300 of file concurrent_vector.h.

1300 {
1301 internal_loop_guide loop(n, dst); loop.copy(src);
1302}

References tbb::concurrent_vector< T, A >::internal_loop_guide::copy().

Referenced by tbb::concurrent_vector< T, A >::concurrent_vector(), and tbb::concurrent_vector< T, A >::operator=().

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◆ copy_range() [1/2]

template<typename T , class A >
template<typename Iterator >
static void __TBB_EXPORTED_FUNC tbb::concurrent_vector< T, A >::copy_range ( void dst,
const void p_type_erased_iterator,
size_type  n 
)
staticprivate

Copy-construct n instances of T, starting at "dst" by iterator range of [p_type_erased_iterator, p_type_erased_iterator+n).

◆ copy_range() [2/2]

template<typename T , class A >
template<typename I >
void tbb::concurrent_vector< T, A >::copy_range ( void dst,
const void p_type_erased_iterator,
size_type  n 
)

Definition at line 1324 of file concurrent_vector.h.

1324 {
1325 internal_loop_guide loop(n, dst);
1326 loop.iterate( *(static_cast<I*>(const_cast<void*>(p_type_erased_iterator))) );
1327}

References tbb::concurrent_vector< T, A >::internal_loop_guide::iterate().

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◆ crbegin()

template<typename T , class A >
const_reverse_iterator tbb::concurrent_vector< T, A >::crbegin ( ) const
inline

reverse start const iterator

Definition at line 960 of file concurrent_vector.h.

960{return const_reverse_iterator(end());}
iterator end()
end iterator
std::reverse_iterator< const_iterator > const_reverse_iterator

References tbb::concurrent_vector< T, A >::end().

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◆ crend()

template<typename T , class A >
const_reverse_iterator tbb::concurrent_vector< T, A >::crend ( ) const
inline

reverse end const iterator

Definition at line 962 of file concurrent_vector.h.

962{return const_reverse_iterator(begin());}
iterator begin()
start iterator

References tbb::concurrent_vector< T, A >::begin().

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◆ destroy_array()

template<typename T , class A >
void tbb::concurrent_vector< T, A >::destroy_array ( void begin,
size_type  n 
)
staticprivate

Destroy n instances of T, starting at "begin".

Definition at line 1340 of file concurrent_vector.h.

1340 {
1341 T* array = static_cast<T*>(begin);
1342 for( size_type j=n; j>0; --j )
1343 array[j-1].~T(); // destructors are supposed to not throw any exceptions
1344}
internal::concurrent_vector_base_v3::size_type size_type

References begin.

Referenced by tbb::concurrent_vector< T, A >::assign(), tbb::concurrent_vector< T, A >::clear(), tbb::concurrent_vector< T, A >::concurrent_vector(), tbb::concurrent_vector< T, A >::internal_assign_n(), tbb::concurrent_vector< T, A >::operator=(), tbb::concurrent_vector< T, A >::resize(), and tbb::concurrent_vector< T, A >::~concurrent_vector().

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◆ emplace_back()

template<typename T , class A >
template<typename... Args>
iterator tbb::concurrent_vector< T, A >::emplace_back ( Args &&...  args)
inline

Push item, create item "in place" with provided arguments.

Returns iterator pointing to the new element.

Definition at line 856 of file concurrent_vector.h.

857 {
858 push_back_helper prolog(*this);
859 new(prolog.internal_push_back_result()) T(std::forward<Args>(args)...);
860 return prolog.return_iterator_and_dismiss();
861 }

References tbb::concurrent_vector< T, A >::push_back_helper::internal_push_back_result(), and tbb::concurrent_vector< T, A >::push_back_helper::return_iterator_and_dismiss().

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◆ empty()

template<typename T , class A >
bool tbb::concurrent_vector< T, A >::empty ( ) const
inline

Return false if vector is not empty or has elements under construction at least.

Definition at line 906 of file concurrent_vector.h.

906{return !my_early_size;}
atomic< size_type > my_early_size
Requested size of vector.

References tbb::internal::concurrent_vector_base_v3::my_early_size.

Referenced by tbb::interface6::enumerable_thread_specific< T, Allocator, ETS_key_type >::empty().

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◆ end() [1/2]

template<typename T , class A >
iterator tbb::concurrent_vector< T, A >::end ( )
inline

end iterator

Definition at line 942 of file concurrent_vector.h.

942{return iterator(*this,size());}

References size.

Referenced by tbb::concurrent_vector< T, A >::crbegin(), tbb::operator<(), tbb::operator==(), tbb::concurrent_vector< T, A >::range(), and tbb::concurrent_vector< T, A >::rbegin().

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◆ end() [2/2]

template<typename T , class A >
const_iterator tbb::concurrent_vector< T, A >::end ( ) const
inline

end const iterator

Definition at line 946 of file concurrent_vector.h.

946{return const_iterator(*this,size());}

References size.

◆ front() [1/2]

template<typename T , class A >
reference tbb::concurrent_vector< T, A >::front ( )
inline

the first item

Definition at line 964 of file concurrent_vector.h.

964 {
965 __TBB_ASSERT( size()>0, NULL);
966 const segment_value_t& segment_value = my_segment[0].template load<relaxed>();
967 return (segment_value.template pointer<T>())[0];
968 }

References __TBB_ASSERT, tbb::internal::concurrent_vector_base_v3::my_segment, and size.

◆ front() [2/2]

template<typename T , class A >
const_reference tbb::concurrent_vector< T, A >::front ( ) const
inline

the first item const

Definition at line 970 of file concurrent_vector.h.

970 {
971 __TBB_ASSERT( size()>0, NULL);
972 const segment_value_t& segment_value = my_segment[0].template load<relaxed>();
973 return (segment_value.template pointer<const T>())[0];
974 }

References __TBB_ASSERT, tbb::internal::concurrent_vector_base_v3::my_segment, and size.

◆ get_allocator()

template<typename T , class A >
allocator_type tbb::concurrent_vector< T, A >::get_allocator ( ) const
inline

return allocator object

Definition at line 986 of file concurrent_vector.h.

986{ return this->my_allocator; }

References tbb::internal::allocator_base< T, A >::my_allocator.

◆ grow_by() [1/4]

template<typename T , class A >
template<typename I >
iterator tbb::concurrent_vector< T, A >::grow_by ( first,
last 
)
inline

Returns iterator pointing to the first new element.

Definition at line 795 of file concurrent_vector.h.

795 {
796 typename std::iterator_traits<I>::difference_type delta = std::distance(first, last);
797 __TBB_ASSERT( delta >= 0, NULL);
798
799 return iterator(*this, delta ? internal_grow_by(delta, sizeof(T), &copy_range<I>, static_cast<const void*>(&first)) : my_early_size.load());
800 }
size_type __TBB_EXPORTED_METHOD internal_grow_by(size_type delta, size_type element_size, internal_array_op2 init, const void *src)

References __TBB_ASSERT, tbb::internal::first(), tbb::internal::concurrent_vector_base_v3::internal_grow_by(), tbb::internal::last(), and tbb::internal::concurrent_vector_base_v3::my_early_size.

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◆ grow_by() [2/4]

template<typename T , class A >
iterator tbb::concurrent_vector< T, A >::grow_by ( size_type  delta)
inline

Grow by "delta" elements.

Returns iterator pointing to the first new element.

Definition at line 783 of file concurrent_vector.h.

783 {
784 return iterator(*this, delta ? internal_grow_by( delta, sizeof(T), &initialize_array, NULL ) : my_early_size.load());
785 }

References tbb::concurrent_vector< T, A >::initialize_array(), tbb::internal::concurrent_vector_base_v3::internal_grow_by(), and tbb::internal::concurrent_vector_base_v3::my_early_size.

Referenced by tbb::interface6::enumerable_thread_specific< T, Allocator, ETS_key_type >::create_local(), tbb::interface6::enumerable_thread_specific< T, Allocator, ETS_key_type >::create_local_by_copy(), tbb::interface6::enumerable_thread_specific< T, Allocator, ETS_key_type >::create_local_by_move(), and tbb::concurrent_vector< T, A >::grow_by().

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◆ grow_by() [3/4]

template<typename T , class A >
iterator tbb::concurrent_vector< T, A >::grow_by ( size_type  delta,
const_reference  t 
)
inline

Grow by "delta" elements using copying constructor.

Returns iterator pointing to the first new element.

Definition at line 789 of file concurrent_vector.h.

789 {
790 return iterator(*this, delta ? internal_grow_by( delta, sizeof(T), &initialize_array_by, static_cast<const void*>(&t) ) : my_early_size.load());
791 }

References tbb::concurrent_vector< T, A >::initialize_array_by(), tbb::internal::concurrent_vector_base_v3::internal_grow_by(), and tbb::internal::concurrent_vector_base_v3::my_early_size.

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◆ grow_by() [4/4]

template<typename T , class A >
iterator tbb::concurrent_vector< T, A >::grow_by ( std::initializer_list< T >  init_list)
inline

Returns iterator pointing to the first new element.

Definition at line 804 of file concurrent_vector.h.

804 {
805 return grow_by( init_list.begin(), init_list.end() );
806 }
iterator grow_by(size_type delta)
Grow by "delta" elements.

References tbb::concurrent_vector< T, A >::grow_by().

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◆ grow_to_at_least() [1/2]

template<typename T , class A >
iterator tbb::concurrent_vector< T, A >::grow_to_at_least ( size_type  n)
inline

Append minimal sequence of elements such that size()>=n.

The new elements are default constructed. Blocks until all elements in range [0..n) are allocated. May return while other elements are being constructed by other threads. Returns iterator that points to beginning of appended sequence. If no elements were appended, returns iterator pointing to nth element.

Definition at line 814 of file concurrent_vector.h.

814 {
815 size_type m=0;
816 if( n ) {
818 if( m>n ) m=n;
819 }
820 return iterator(*this, m);
821 };
size_type __TBB_EXPORTED_METHOD internal_grow_to_at_least_with_result(size_type new_size, size_type element_size, internal_array_op2 init, const void *src)

References tbb::concurrent_vector< T, A >::initialize_array(), and tbb::internal::concurrent_vector_base_v3::internal_grow_to_at_least_with_result().

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◆ grow_to_at_least() [2/2]

template<typename T , class A >
iterator tbb::concurrent_vector< T, A >::grow_to_at_least ( size_type  n,
const_reference  t 
)
inline

Analogous to grow_to_at_least( size_type n ) with exception that the new elements are initialized by copying of t instead of default construction.

Definition at line 825 of file concurrent_vector.h.

825 {
826 size_type m=0;
827 if( n ) {
829 if( m>n ) m=n;
830 }
831 return iterator(*this, m);
832 };

References tbb::concurrent_vector< T, A >::initialize_array_by(), and tbb::internal::concurrent_vector_base_v3::internal_grow_to_at_least_with_result().

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◆ initialize_array()

template<typename T , class A >
void tbb::concurrent_vector< T, A >::initialize_array ( void begin,
const void ,
size_type  n 
)
staticprivate

Construct n instances of T, starting at "begin".

Definition at line 1290 of file concurrent_vector.h.

1290 {
1291 internal_loop_guide loop(n, begin); loop.init();
1292}

References begin, and tbb::concurrent_vector< T, A >::internal_loop_guide::init().

Referenced by tbb::concurrent_vector< T, A >::concurrent_vector(), tbb::concurrent_vector< T, A >::grow_by(), tbb::concurrent_vector< T, A >::grow_to_at_least(), tbb::concurrent_vector< T, A >::internal_assign_n(), and tbb::concurrent_vector< T, A >::resize().

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◆ initialize_array_by()

template<typename T , class A >
void tbb::concurrent_vector< T, A >::initialize_array_by ( void begin,
const void src,
size_type  n 
)
staticprivate

Copy-construct n instances of T, starting at "begin".

Definition at line 1295 of file concurrent_vector.h.

1295 {
1296 internal_loop_guide loop(n, begin); loop.init(src);
1297}

References begin, and tbb::concurrent_vector< T, A >::internal_loop_guide::init().

Referenced by tbb::concurrent_vector< T, A >::assign(), tbb::concurrent_vector< T, A >::concurrent_vector(), tbb::concurrent_vector< T, A >::grow_by(), tbb::concurrent_vector< T, A >::grow_to_at_least(), tbb::concurrent_vector< T, A >::internal_assign_n(), and tbb::concurrent_vector< T, A >::resize().

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◆ internal_allocator()

template<typename T , class A >
static void * tbb::concurrent_vector< T, A >::internal_allocator ( internal::concurrent_vector_base_v3 vb,
size_t  k 
)
inlinestaticprivate

Allocate k items.

Definition at line 1032 of file concurrent_vector.h.

1032 {
1033 return static_cast<concurrent_vector<T, A>&>(vb).my_allocator.allocate(k);
1034 }

References tbb::internal::allocator_base< T, A >::my_allocator.

Referenced by tbb::concurrent_vector< T, A >::concurrent_vector().

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◆ internal_assign_iterators()

template<typename T , class A >
template<class I >
void tbb::concurrent_vector< T, A >::internal_assign_iterators ( first,
last 
)
private

assign by iterators

Definition at line 1269 of file concurrent_vector.h.

1269 {
1270 __TBB_ASSERT(my_early_size == 0, NULL);
1271 size_type n = std::distance(first, last);
1272 if( !n ) return;
1273 internal_reserve(n, sizeof(T), max_size());
1274 my_early_size = n;
1275 segment_index_t k = 0;
1276 //TODO: unify segment iteration code with concurrent_base_v3::helper
1278 while( sz < n ) {
1279 internal_loop_guide loop(sz, my_segment[k].template load<relaxed>().template pointer<void>());
1280 loop.iterate(first);
1281 n -= sz;
1282 if( !k ) k = my_first_block;
1283 else { ++k; sz <<= 1; }
1284 }
1285 internal_loop_guide loop(n, my_segment[k].template load<relaxed>().template pointer<void>());
1286 loop.iterate(first);
1287}
static size_type segment_size(segment_index_t k)
void __TBB_EXPORTED_METHOD internal_reserve(size_type n, size_type element_size, size_type max_size)

References __TBB_ASSERT, tbb::internal::first(), tbb::concurrent_vector< T, A >::internal_loop_guide::iterate(), and tbb::internal::last().

Referenced by tbb::concurrent_vector< T, A >::assign(), tbb::concurrent_vector< T, A >::concurrent_vector(), tbb::concurrent_vector< T, A >::internal_assign_range(), and tbb::concurrent_vector< T, A >::operator=().

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◆ internal_assign_n()

template<typename T , class A >
void tbb::concurrent_vector< T, A >::internal_assign_n ( size_type  n,
const_pointer  p 
)
inlineprivate

assign n items by copying t

Definition at line 1045 of file concurrent_vector.h.

1045 {
1046 internal_resize( n, sizeof(T), max_size(), static_cast<const void*>(p), &destroy_array, p? &initialize_array_by : &initialize_array );
1047 }
void const char const char int ITT_FORMAT __itt_group_sync p

References tbb::concurrent_vector< T, A >::destroy_array(), tbb::concurrent_vector< T, A >::initialize_array(), tbb::concurrent_vector< T, A >::initialize_array_by(), tbb::internal::concurrent_vector_base_v3::internal_resize(), tbb::concurrent_vector< T, A >::max_size(), and p.

Referenced by tbb::concurrent_vector< T, A >::internal_assign_range().

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◆ internal_assign_range() [1/2]

template<typename T , class A >
template<class I >
void tbb::concurrent_vector< T, A >::internal_assign_range ( first,
last,
is_integer_tag< false > *   
)
inlineprivate

inline proxy assign by iterators

Definition at line 1065 of file concurrent_vector.h.

1065 {
1067 }

References tbb::internal::first(), tbb::concurrent_vector< T, A >::internal_assign_iterators(), and tbb::internal::last().

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◆ internal_assign_range() [2/2]

template<typename T , class A >
template<class I >
void tbb::concurrent_vector< T, A >::internal_assign_range ( first,
last,
is_integer_tag< true > *   
)
inlineprivate

assign integer items by copying when arguments are treated as iterators. See C++ Standard 2003 23.1.1p9

Definition at line 1060 of file concurrent_vector.h.

1060 {
1061 internal_assign_n(static_cast<size_type>(first), &static_cast<T&>(last));
1062 }
void internal_assign_n(size_type n, const_pointer p)
assign n items by copying t

References tbb::internal::first(), tbb::concurrent_vector< T, A >::internal_assign_n(), and tbb::internal::last().

Referenced by tbb::concurrent_vector< T, A >::assign(), and tbb::concurrent_vector< T, A >::concurrent_vector().

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◆ internal_free_segments()

template<typename T , class A >
void tbb::concurrent_vector< T, A >::internal_free_segments ( segment_t  table[],
segment_index_t  k,
segment_index_t  first_block 
)
private

Free k segments from table.

Definition at line 1216 of file concurrent_vector.h.

1216 {
1217 // Free the arrays
1218 while( k > first_block ) {
1219 --k;
1220 segment_value_t segment_value = table[k].load<relaxed>();
1221 table[k].store<relaxed>(segment_not_used());
1222 if( segment_value == segment_allocated() ) // check for correct segment pointer
1223 this->my_allocator.deallocate( (segment_value.pointer<T>()), segment_size(k) );
1224 }
1225 segment_value_t segment_value = table[0].load<relaxed>();
1226 if( segment_value == segment_allocated() ) {
1227 __TBB_ASSERT( first_block > 0, NULL );
1228 while(k > 0) table[--k].store<relaxed>(segment_not_used());
1229 this->my_allocator.deallocate( (segment_value.pointer<T>()), segment_size(first_block) );
1230 }
1231}

References __TBB_ASSERT, tbb::internal::concurrent_vector_base_v3::segment_t::load(), tbb::internal::concurrent_vector_base_v3::segment_value_t::pointer(), tbb::relaxed, and tbb::internal::concurrent_vector_base_v3::segment_t::store().

Referenced by tbb::concurrent_vector< T, A >::concurrent_vector(), and tbb::concurrent_vector< T, A >::~concurrent_vector().

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◆ internal_subscript()

template<typename T , class A >
T & tbb::concurrent_vector< T, A >::internal_subscript ( size_type  index) const
private

Get reference to element at given index.

Definition at line 1234 of file concurrent_vector.h.

1234 {
1235 //TODO: unify both versions of internal_subscript
1236 __TBB_ASSERT( index < my_early_size, "index out of bounds" );
1237 size_type j = index;
1239 __TBB_ASSERT( my_segment.load<acquire>() != my_storage || k < pointers_per_short_table, "index is being allocated" );
1240 //no need in load with acquire (load<acquire>) since thread works in own space or gets
1241 //the information about added elements via some form of external synchronization
1242 //TODO: why not make a load of my_segment relaxed as well ?
1243 //TODO: add an assertion that my_segment[k] is properly aligned to please ITT
1244 segment_value_t segment_value = my_segment[k].template load<relaxed>();
1245 __TBB_ASSERT( segment_value != segment_allocation_failed(), "the instance is broken by bad allocation. Use at() instead" );
1246 __TBB_ASSERT( segment_value != segment_not_used(), "index is being allocated" );
1247 return (( segment_value.pointer<T>()))[j];
1248}
@ acquire
Acquire.
Definition: atomic.h:57
@ pointers_per_short_table
Number of slots for segment pointers inside the class.
static segment_index_t segment_base_index_of(segment_index_t &index)
segment_t my_storage[pointers_per_short_table]
embedded storage of segment pointers

References __TBB_ASSERT, tbb::acquire, and tbb::internal::concurrent_vector_base_v3::segment_value_t::pointer().

Referenced by tbb::concurrent_vector< T, A >::back(), and tbb::concurrent_vector< T, A >::operator[]().

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◆ internal_subscript_with_exceptions()

template<typename T , class A >
T & tbb::concurrent_vector< T, A >::internal_subscript_with_exceptions ( size_type  index) const
private

Get reference to element at given index with errors checks.

Definition at line 1251 of file concurrent_vector.h.

1251 {
1252 if( index >= my_early_size )
1253 internal::throw_exception(internal::eid_out_of_range); // throw std::out_of_range
1254 size_type j = index;
1256 //TODO: refactor this condition into separate helper function, e.g. fits_into_small_table
1257 if( my_segment.load<acquire>() == my_storage && k >= pointers_per_short_table )
1259 // no need in load with acquire (load<acquire>) since thread works in own space or gets
1260 //the information about added elements via some form of external synchronization
1261 //TODO: why not make a load of my_segment relaxed as well ?
1262 //TODO: add an assertion that my_segment[k] is properly aligned to please ITT
1263 segment_value_t segment_value = my_segment[k].template load<relaxed>();
1265 return (segment_value.pointer<T>())[j];
1266}
void throw_exception(exception_id eid)
Versionless convenience wrapper for throw_exception_v4()
friend void enforce_segment_allocated(segment_value_t const &s, internal::exception_id exception=eid_bad_last_alloc)

References tbb::acquire, tbb::internal::eid_index_range_error, tbb::internal::eid_out_of_range, tbb::internal::eid_segment_range_error, tbb::internal::concurrent_vector_base_v3::segment_value_t::pointer(), and tbb::internal::throw_exception().

Referenced by tbb::concurrent_vector< T, A >::at().

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◆ internal_vector_base()

template<typename T , class A >
const internal::concurrent_vector_base_v3 & tbb::concurrent_vector< T, A >::internal_vector_base ( ) const
inline

Definition at line 1029 of file concurrent_vector.h.

1029{ return *this; }

Referenced by tbb::concurrent_vector< T, A >::concurrent_vector(), and tbb::concurrent_vector< T, A >::operator=().

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◆ max_size()

template<typename T , class A >
size_type tbb::concurrent_vector< T, A >::max_size ( ) const
inline

Upper bound on argument to reserve.

Definition at line 933 of file concurrent_vector.h.

933{return (~size_type(0))/sizeof(T);}

Referenced by tbb::concurrent_vector< T, A >::assign(), tbb::concurrent_vector< T, A >::concurrent_vector(), tbb::concurrent_vector< T, A >::internal_assign_n(), tbb::concurrent_vector< T, A >::reserve(), and tbb::concurrent_vector< T, A >::resize().

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◆ move_array()

template<typename T , class A >
void tbb::concurrent_vector< T, A >::move_array ( void dst,
const void src,
size_type  n 
)
staticprivate

Move-construct n instances of T, starting at "dst" by copying according element of src array.

Definition at line 1306 of file concurrent_vector.h.

1306 {
1307 internal_loop_guide loop(n, dst); loop.move_construct(src);
1308}

References tbb::concurrent_vector< T, A >::internal_loop_guide::move_construct().

Referenced by tbb::concurrent_vector< T, A >::concurrent_vector(), and tbb::concurrent_vector< T, A >::operator=().

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◆ move_assign_array()

template<typename T , class A >
void tbb::concurrent_vector< T, A >::move_assign_array ( void dst,
const void src,
size_type  n 
)
staticprivate

Move-assign (using operator=) n instances of T, starting at "dst" by assigning according element of src array.

Definition at line 1310 of file concurrent_vector.h.

1310 {
1311 internal_loop_guide loop(n, dst); loop.move_assign(src);
1312}

References tbb::concurrent_vector< T, A >::internal_loop_guide::move_assign().

Referenced by tbb::concurrent_vector< T, A >::operator=().

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◆ operator=() [1/4]

template<typename T , class A >
concurrent_vector & tbb::concurrent_vector< T, A >::operator= ( concurrent_vector< T, A > &&  other)
inline

Move assignment.

Definition at line 745 of file concurrent_vector.h.

745 {
746 __TBB_ASSERT(this != &other, "Move assignment to itself is prohibited ");
748 if(pocma_t::value || this->my_allocator == other.my_allocator) {
749 concurrent_vector trash (std::move(*this));
750 internal_swap(other);
751 tbb::internal::allocator_move_assignment(this->my_allocator, other.my_allocator, pocma_t());
752 } else {
754 }
755 return *this;
756 }
void allocator_move_assignment(MyAlloc &my_allocator, OtherAlloc &other_allocator, traits_true_type)
concurrent_vector(const allocator_type &a=allocator_type())
Construct empty vector.
static void __TBB_EXPORTED_FUNC move_assign_array(void *dst, const void *src, size_type n)
Move-assign (using operator=) n instances of T, starting at "dst" by assigning according element of s...
void __TBB_EXPORTED_METHOD internal_assign(const concurrent_vector_base_v3 &src, size_type element_size, internal_array_op1 destroy, internal_array_op2 assign, internal_array_op2 copy)

References __TBB_ASSERT, tbb::internal::allocator_move_assignment(), tbb::concurrent_vector< T, A >::destroy_array(), tbb::internal::concurrent_vector_base_v3::internal_assign(), tbb::internal::concurrent_vector_base_v3::internal_swap(), tbb::concurrent_vector< T, A >::move_array(), tbb::concurrent_vector< T, A >::move_assign_array(), and tbb::internal::allocator_base< T, A >::my_allocator.

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◆ operator=() [2/4]

template<typename T , class A >
concurrent_vector & tbb::concurrent_vector< T, A >::operator= ( const concurrent_vector< T, A > &  vector)
inline

Assignment.

Definition at line 736 of file concurrent_vector.h.

736 {
737 if( this != &vector )
738 internal_assign(vector, sizeof(T), &destroy_array, &assign_array, &copy_array);
739 return *this;
740 }
static void __TBB_EXPORTED_FUNC assign_array(void *dst, const void *src, size_type n)
Assign (using operator=) n instances of T, starting at "dst" by assigning according element of src ar...

References tbb::concurrent_vector< T, A >::assign_array(), tbb::concurrent_vector< T, A >::copy_array(), tbb::concurrent_vector< T, A >::destroy_array(), and tbb::internal::concurrent_vector_base_v3::internal_assign().

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◆ operator=() [3/4]

template<typename T , class A >
template<class M >
__TBB_DEPRECATED concurrent_vector & tbb::concurrent_vector< T, A >::operator= ( const concurrent_vector< T, M > &  vector)
inline

Assignment for vector with different allocator type.

Definition at line 762 of file concurrent_vector.h.

762 {
763 if( static_cast<void*>( this ) != static_cast<const void*>( &vector ) )
764 internal_assign(vector.internal_vector_base(),
765 sizeof(T), &destroy_array, &assign_array, &copy_array);
766 return *this;
767 }

References tbb::concurrent_vector< T, A >::assign_array(), tbb::concurrent_vector< T, A >::copy_array(), tbb::concurrent_vector< T, A >::destroy_array(), tbb::internal::concurrent_vector_base_v3::internal_assign(), and tbb::concurrent_vector< T, A >::internal_vector_base().

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◆ operator=() [4/4]

template<typename T , class A >
concurrent_vector & tbb::concurrent_vector< T, A >::operator= ( std::initializer_list< T >  init_list)
inline

Assignment for initializer_list.

Definition at line 771 of file concurrent_vector.h.

771 {
773 internal_assign_iterators(init_list.begin(), init_list.end());
774 return *this;
775 }

References tbb::concurrent_vector< T, A >::destroy_array(), tbb::concurrent_vector< T, A >::internal_assign_iterators(), and tbb::internal::concurrent_vector_base_v3::internal_clear().

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◆ operator[]() [1/2]

template<typename T , class A >
reference tbb::concurrent_vector< T, A >::operator[] ( size_type  index)
inline

Get reference to element at given index.

This method is thread-safe for concurrent reads, and also while growing the vector, as long as the calling thread has checked that index < size().

Definition at line 867 of file concurrent_vector.h.

867 {
868 return internal_subscript(index);
869 }

References tbb::concurrent_vector< T, A >::internal_subscript().

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◆ operator[]() [2/2]

template<typename T , class A >
const_reference tbb::concurrent_vector< T, A >::operator[] ( size_type  index) const
inline

Get const reference to element at given index.

Definition at line 872 of file concurrent_vector.h.

872 {
873 return internal_subscript(index);
874 }

References tbb::concurrent_vector< T, A >::internal_subscript().

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◆ push_back() [1/2]

template<typename T , class A >
iterator tbb::concurrent_vector< T, A >::push_back ( const_reference  item)
inline

Push item.

Returns iterator pointing to the new element.

Definition at line 836 of file concurrent_vector.h.

837 {
838 push_back_helper prolog(*this);
839 new(prolog.internal_push_back_result()) T(item);
840 return prolog.return_iterator_and_dismiss();
841 }

References tbb::concurrent_vector< T, A >::push_back_helper::internal_push_back_result(), and tbb::concurrent_vector< T, A >::push_back_helper::return_iterator_and_dismiss().

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◆ push_back() [2/2]

template<typename T , class A >
iterator tbb::concurrent_vector< T, A >::push_back ( T &&  item)
inline

Push item, move-aware.

Returns iterator pointing to the new element.

Definition at line 846 of file concurrent_vector.h.

847 {
848 push_back_helper prolog(*this);
849 new(prolog.internal_push_back_result()) T(std::move(item));
850 return prolog.return_iterator_and_dismiss();
851 }

References tbb::concurrent_vector< T, A >::push_back_helper::internal_push_back_result(), and tbb::concurrent_vector< T, A >::push_back_helper::return_iterator_and_dismiss().

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◆ range() [1/2]

template<typename T , class A >
range_type tbb::concurrent_vector< T, A >::range ( size_t  grainsize = 1)
inline

Get range for iterating with parallel algorithms.

Definition at line 887 of file concurrent_vector.h.

887 {
888 return range_type( begin(), end(), grainsize );
889 }
generic_range_type< iterator > range_type

References tbb::concurrent_vector< T, A >::begin(), and tbb::concurrent_vector< T, A >::end().

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◆ range() [2/2]

template<typename T , class A >
const_range_type tbb::concurrent_vector< T, A >::range ( size_t  grainsize = 1) const
inline

Get const range for iterating with parallel algorithms.

Definition at line 892 of file concurrent_vector.h.

892 {
893 return const_range_type( begin(), end(), grainsize );
894 }
generic_range_type< const_iterator > const_range_type

References tbb::concurrent_vector< T, A >::begin(), and tbb::concurrent_vector< T, A >::end().

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◆ rbegin() [1/2]

template<typename T , class A >
reverse_iterator tbb::concurrent_vector< T, A >::rbegin ( )
inline

reverse start iterator

Definition at line 952 of file concurrent_vector.h.

952{return reverse_iterator(end());}
std::reverse_iterator< iterator > reverse_iterator

References tbb::concurrent_vector< T, A >::end().

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◆ rbegin() [2/2]

template<typename T , class A >
const_reverse_iterator tbb::concurrent_vector< T, A >::rbegin ( ) const
inline

reverse start const iterator

Definition at line 956 of file concurrent_vector.h.

956{return const_reverse_iterator(end());}

References tbb::concurrent_vector< T, A >::end().

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◆ rend() [1/2]

template<typename T , class A >
reverse_iterator tbb::concurrent_vector< T, A >::rend ( )
inline

reverse end iterator

Definition at line 954 of file concurrent_vector.h.

954{return reverse_iterator(begin());}

References tbb::concurrent_vector< T, A >::begin().

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◆ rend() [2/2]

template<typename T , class A >
const_reverse_iterator tbb::concurrent_vector< T, A >::rend ( ) const
inline

reverse end const iterator

Definition at line 958 of file concurrent_vector.h.

958{return const_reverse_iterator(begin());}

References tbb::concurrent_vector< T, A >::begin().

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◆ reserve()

template<typename T , class A >
void tbb::concurrent_vector< T, A >::reserve ( size_type  n)
inline

Allocate enough space to grow to size n without having to allocate more memory later.

Like most of the methods provided for STL compatibility, this method is not thread safe. The capacity afterwards may be bigger than the requested reservation.

Definition at line 914 of file concurrent_vector.h.

914 {
915 if( n )
916 internal_reserve(n, sizeof(T), max_size());
917 }

References tbb::internal::concurrent_vector_base_v3::internal_reserve(), and tbb::concurrent_vector< T, A >::max_size().

Referenced by tbb::interface6::enumerable_thread_specific< T, Allocator, ETS_key_type >::internal_copy(), and tbb::interface6::enumerable_thread_specific< T, Allocator, ETS_key_type >::internal_move().

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◆ resize() [1/2]

template<typename T , class A >
void tbb::concurrent_vector< T, A >::resize ( size_type  n)
inline

Resize the vector. Not thread-safe.

Definition at line 920 of file concurrent_vector.h.

920 {
921 internal_resize( n, sizeof(T), max_size(), NULL, &destroy_array, &initialize_array );
922 }

References tbb::concurrent_vector< T, A >::destroy_array(), tbb::concurrent_vector< T, A >::initialize_array(), tbb::internal::concurrent_vector_base_v3::internal_resize(), and tbb::concurrent_vector< T, A >::max_size().

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◆ resize() [2/2]

template<typename T , class A >
void tbb::concurrent_vector< T, A >::resize ( size_type  n,
const_reference  t 
)
inline

Resize the vector, copy t for new elements. Not thread-safe.

Definition at line 925 of file concurrent_vector.h.

925 {
926 internal_resize( n, sizeof(T), max_size(), static_cast<const void*>(&t), &destroy_array, &initialize_array_by );
927 }

References tbb::concurrent_vector< T, A >::destroy_array(), tbb::concurrent_vector< T, A >::initialize_array_by(), tbb::internal::concurrent_vector_base_v3::internal_resize(), and tbb::concurrent_vector< T, A >::max_size().

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◆ shrink_to_fit()

template<typename T , class A >
void tbb::concurrent_vector< T, A >::shrink_to_fit

Optimize memory usage and fragmentation.

Definition at line 1193 of file concurrent_vector.h.

1193 {
1194 internal_segments_table old;
1195 __TBB_TRY {
1196 internal_array_op2 copy_or_move_array =
1197#if __TBB_MOVE_IF_NOEXCEPT_PRESENT
1198 &move_array_if_noexcept
1199#else
1200 &copy_array
1201#endif
1202 ;
1203 if( internal_compact( sizeof(T), &old, &destroy_array, copy_or_move_array ) )
1204 internal_free_segments( old.table, pointers_per_long_table, old.first_block ); // free joined and unnecessary segments
1205 } __TBB_CATCH(...) {
1206 if( old.first_block ) // free segment allocated for compacting. Only for support of exceptions in ctor of user T[ype]
1207 internal_free_segments( old.table, 1, old.first_block );
1208 __TBB_RETHROW();
1209 }
1210}
void *__TBB_EXPORTED_METHOD internal_compact(size_type element_size, void *table, internal_array_op1 destroy, internal_array_op2 copy)
void(__TBB_EXPORTED_FUNC * internal_array_op2)(void *dst, const void *src, size_type n)
An operation on n-element destination array and n-element source array.

References __TBB_CATCH, __TBB_RETHROW, __TBB_TRY, tbb::internal::concurrent_vector_base_v3::internal_segments_table::first_block, and tbb::internal::concurrent_vector_base_v3::internal_segments_table::table.

◆ size()

template<typename T , class A >
size_type tbb::concurrent_vector< T, A >::size ( ) const
inline

Return size of vector. It may include elements under construction.

Definition at line 900 of file concurrent_vector.h.

900 {
902 return cp < sz ? cp : sz;
903 }

References tbb::internal::concurrent_vector_base_v3::internal_capacity(), and tbb::internal::concurrent_vector_base_v3::my_early_size.

Referenced by tbb::interface6::enumerable_thread_specific< T, Allocator, ETS_key_type >::end(), tbb::interface6::enumerable_thread_specific< T, Allocator, ETS_key_type >::internal_copy(), tbb::interface6::enumerable_thread_specific< T, Allocator, ETS_key_type >::internal_move(), tbb::operator==(), and tbb::interface6::enumerable_thread_specific< T, Allocator, ETS_key_type >::size().

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◆ swap()

template<typename T , class A >
void tbb::concurrent_vector< T, A >::swap ( concurrent_vector< T, A > &  vector)
inline

swap two instances

Definition at line 1008 of file concurrent_vector.h.

1008 {
1010 if( this != &vector && (this->my_allocator == vector.my_allocator || pocs_t::value) ) {
1012 tbb::internal::allocator_swap(this->my_allocator, vector.my_allocator, pocs_t());
1013 }
1014 }
void allocator_swap(MyAlloc &my_allocator, OtherAlloc &other_allocator, traits_true_type)

References tbb::internal::allocator_swap(), tbb::internal::concurrent_vector_base_v3::internal_swap(), and tbb::internal::allocator_base< T, A >::my_allocator.

Referenced by tbb::swap().

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Friends And Related Function Documentation

◆ internal::vector_iterator

template<typename T , class A >
template<typename C , typename U >
friend class internal::vector_iterator
friend

Definition at line 568 of file concurrent_vector.h.


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

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