BloombergLP::bsls::AtomicPointer::testAndSwapAcqRel

Compare the value of this object to the specified compareValue. If they are equal, set the value of this atomic pointer to the specified swapValue, otherwise leave this value unchanged. Return the previous value of this atomic pointer, whether or not the swap occurred. Note that the entire test‐and‐swap operation is performed atomically and it provides the acquire/release memory ordering guarantee.

Synopsis

Declared in <bsls_atomic.h>

TYPE*
testAndSwapAcqRel(
    TYPE const* compareValue,
    TYPE* swapValue);

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