BloombergLP::bsls::AtomicOperations_DefaultUint64::swapUint64AcqRel

Atomically swap atomicUint with acquire/release ordering.

Synopsis

Declared in <bsls_atomicoperations_default.h>

static
Types::Uint64
swapUint64AcqRel(
    AtomicTypes::Uint64* atomicUint,
    Types::Uint64 swapValue);

Description

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

Return Value

previous value of atomicUint

Parameters

Name

Description

atomicUint

atomic unsigned 64‐bit integer to modify

swapValue

value to store

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