InterlockedExchangeAdd function
Thread-safe add and exchange of 2 values.
Declaration
function InterlockedExchangeAdd(var Target: LongInt; Source: LongInt)
: LongIntDescription
InterLockedExchangeAdd adds to
Target the value of
Source in a thread-safe way,
and returns the old value of
Target.This is done in a thread-safe way, i.e., only one
processor is accessing the
Target variable at a time.Errors
None.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.