BloombergLP::bsls::AtomicOperations::swapPtrAcqRel

Atomically swap atomicPtr with acquire/release ordering.

Synopsis

Declared in <bsls_atomicoperations.h>

static
void*
swapPtrAcqRel(
    AtomicTypes::Pointer* atomicPtr,
    void* swapValue);

Description

Atomically set the value of the specified atomicPtr to the specified swapValue, and return its previous value, providing the acquire/release memory ordering guarantee.

Return Value

previous value of atomicPtr

Parameters

NameDescription
atomicPtratomic pointer to update
swapValuevalue to store