Conditionally set the value of the specified atomicInt to the specified swapValue if and only if the value of atomicInt equals the value of the specified compareValue, and return the initial value of atomicInt, providing the sequential consistency memory ordering guarantee. The whole operation is performed atomically.
Declared in <bsls_atomicoperations_default.h>
static
Types::Int64
testAndSwapInt64AcqRel(
AtomicTypes::Int64* atomicInt,
Types::Int64 compareValue,
Types::Int64 swapValue);