On Sunday 07 July 2013, Daniel Lescohier wrote:
> Another option:
>
> typedef struct {
> apr_uint32_t stamp;
> apr_uint32_t counter;
> apr_uint16_t stamp_fraction;
> char root[ROOT_SIZE];
> } unique_id_rec;
>
> where ROOT_SIZE=8, and stamp_fraction is set on every request to
> htons(r->request_time & 0xffff).
If we have a 32bit counter that is incremented atomically, there is
really no need for the stamp_fraction. 32bit won't overflow in a
second. But I think the patch proposed by Jan is good enough and does
not need to use atomic operations.
