Developer Guide and Reference

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HLE Acquire _InterlockedExchangeAdd Functions

Performs an atomic addition of two values and attempts to begin a HLE transaction if supported by the executing platform.
This intrinsic function applies to C/C++ applications for Windows* only.

Syntax

long _InterlockedExchangeAdd_HLEAcquire(long volatile *Addend, long Value);
__int64 _InterlockedExchangeAdd64_HLEAcquire(__int64 volatile *Addend, __int64 Value);
Parameters
Addend [in, out]
pointer to the addend which will be replaced with the result of the addition
Value [in]
value to be added to the value referenced by the
Addend
parameter
Description
Performs an atomic addition of two values, and also attempts to begin a HLE transaction if the executing platform supports it.
Returns
The function returns the initial value referenced by the
Addend
parameter.

Product and Performance Information

1

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Notice revision #20110804