Performs an atomic bitwise 'and' of the value of atomic and val,
storing the result back in atomic.
This call acts as a full compiler and hardware memory barrier.
Think of this operation as an atomic version of
{ tmp = *atomic; *atomic = val; return tmp; }
Since 2.30
Performs an atomic bitwise 'and' of the value of atomic and val, storing the result back in atomic. This call acts as a full compiler and hardware memory barrier. Think of this operation as an atomic version of { tmp = *atomic; *atomic = val; return tmp; } Since 2.30