Performs an atomic bitwise 'xor' of the value of @atomic and @val, storing the result back in @atomic.
Think of this operation as an atomic version of { tmp = *atomic; *atomic ^= val; return tmp; }.
This call acts as a full compiler and hardware memory barrier.
While @atomic has a volatile qualifier, this is a historical artifact and the pointer passed to it should not be volatile.
a pointer to a #gpointer-sized value
the value to 'xor'
the value of @atomic before the operation, unsigned
2.30
See Implementation
Performs an atomic bitwise 'xor' of the value of @atomic and @val, storing the result back in @atomic.
Think of this operation as an atomic version of { tmp = *atomic; *atomic ^= val; return tmp; }.
This call acts as a full compiler and hardware memory barrier.
While @atomic has a volatile qualifier, this is a historical artifact and the pointer passed to it should not be volatile.