There are some more advanced barrier functions:
(*) set_mb(var, value)
- (*) set_wmb(var, value)
- These assign the value to the variable and then insert at least a write
- barrier after it, depending on the function. They aren't guaranteed to
+ This assigns the value to the variable and then inserts at least a write
+ barrier after it, depending on the function. It isn't guaranteed to
insert anything more than a compiler barrier in a UP compilation.