[#BloombergLP-bsls-AtomicOperations_X64_ALL_GCC-testAndSwapInt64]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/AtomicOperations_X64_ALL_GCC.adoc[AtomicOperations_X64_ALL_GCC]::testAndSwapInt64
:relfileprefix: ../../../
:mrdocs:

== Synopsis

Declared in `<bsls_atomicoperations_x64_all_gcc.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bsls/Types/Int64.adoc[Types::Int64]
testAndSwapInt64(
    xref:BloombergLP/bsls/Atomic_TypeTraits-01/Int64.adoc[AtomicTypes::Int64]* atomicInt,
    xref:BloombergLP/bsls/Types/Int64.adoc[Types::Int64] compareValue,
    xref:BloombergLP/bsls/Types/Int64.adoc[Types::Int64] swapValue);
----


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