| 59,8 → 59,8 |
|---|
| * The time variables are memory mapped(RO) from kernel, which updates |
| * them periodically. As it is impossible to read 2 values atomically, we |
| * use a trick: First read a seconds, then read microseconds, then |
| * read seconds again. If a second elapsed in the meantime, read |
| * useconds again. This provides assurance, that at least the |
| * read seconds again. If a second elapsed in the meantime, set it to zero. |
| * This provides assurance, that at least the |
| * sequence of subsequent gettimeofday calls is ordered. |
| */ |
| int gettimeofday(struct timeval *tv, struct timezone *tz) |