Am 05.12.2014 um 03:12 schrieb George Spelvin:
>> +#define READ_ONCE(p) \
>> + typeof(p) __val; __read_once_size(&p, &__val, sizeof(__val)); __val; })
>> +
>> +#define ASSIGN_ONCE(val, p) \
>> + ({ typeof(p) __val; __val = val; __assign_once_size(&p, &__val, sizeof(__val)); __val; })
>
> Minor style nit: is it necessary to name a non-pointer variable "p"?
> I expect typeof(p) to be a pointer type.
v might be better.
>
> (The other fun style question, which is a lot less minor, is whether
> ASSIGN_ONCE should be (src,dst) as above, or (dst,src) like = and
> <string.h>.)
I tend to prefer dst, src, but Linus used src, dst in his proposal - so I used that.
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