Thread‐enabled adapter that synchronizes access to a decorated allocator.

Synopsis

Declared in <bdlma_concurrentallocatoradapter.h>

class ConcurrentAllocatorAdapter
    : public bslma::Allocator

Description

This class defines an implementation of the bslma::Allocator protocol that "decorates" (wraps) a concrete bslma::Allocator to ensure thread‐safe access to the decorated allocator.

Base Classes

Name

Description

bslma::Allocator

Pure abstract protocol for clients and suppliers of raw memory.

Type Aliases

Name

Description

size_type

Alias for an unsigned integral type capable of representing the number of bytes in this platform's virtual address space.

Member Functions

Name

Description

ConcurrentAllocatorAdapter [constructor]

Create a thread‐enabled allocator adapter for the specified allocator.

~ConcurrentAllocatorAdapter [destructor] [virtual]

Destroy this thread‐enabled allocator adapter.

operator=

allocate

allocate overloads

deallocate

Return the memory block at the specified address to this allocator.

deleteObject

deleteObject overloads

deleteObjectRaw

deleteObjectRaw overloads

is_equal

Static Member Functions

Name

Description

throwBadAlloc

Throw std::bad_alloc or abort the program.

Protected Member Functions

Name

Description

do_allocate [virtual]

Return a newly allocated block of at least bytes with alignment.

do_deallocate [virtual]

Return the memory block at p having bytes and alignment.

do_is_equal [virtual]

Return whether this allocator can exchange memory with other.

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