Description of 'interlocked_exchange' function in HyperDbg Scripts
interlocked_exchange( *Variable, Expression );
A reference to a variable (most of the time a global variable) to be exchanged. The function sets this variable to Value and returns its prior value.
The value to be exchanged with the value pointed to by Target.
Sets a variable to the specified value as an atomic operation.
Returns the initial value of the Target parameter.