| 1 | int do_setitimer(int which, struct itimerval *value, |
| 2 | struct itimerval *ovalue) |
| 3 | { |
| 4 | unsigned long expire; |
| 5 | cputime_t cputime; |
| 6 | int k; |
| 7 | if (ovalue && (k = do_getitimer(which, ovalue)) < 0) |
| 8 | return k; |
| 9 | switch (which) { |
| 10 | case ITIMER_VIRTUAL: |
| 11 | cputime = timeval_to_cputime(&value->it_value); |
| 12 | - if (cputime_eq(cputime, cputime_zero)) |
| 13 | - cputime = jiffies_to_cputime(1); |
| 14 | + if (cputime_gt(cputime, cputime_zero)) |
| 15 | + cputime = cputime_add(cputime, |
| 16 | + jiffies_to_cputime(1)); |
| 17 | current->it_virt_value = cputime; |
| 18 | cputime = timeval_to_cputime(&value->it_interval); |
| 19 | current->it_virt_incr = cputime; |
| 20 | break; |
| 21 | case ITIMER_PROF: |
| 22 | cputime = timeval_to_cputime(&value->it_value); |
| 23 | - if (cputime_eq(cputime, cputime_zero)) |
| 24 | - cputime = jiffies_to_cputime(1); |
| 25 | + if (cputime_gt(cputime, cputime_zero)) |
| 26 | + cputime = cputime_add(cputime, |
| 27 | + jiffies_to_cputime(1)); |
| 28 | current->it_prof_value = cputime; |
| 29 | cputime = timeval_to_cputime(&value->it_interval); |
| 30 | current->it_prof_incr = cputime; |
| 31 | break; |
| 32 | default: |
| 33 | return -EINVAL; |
| 34 | } |
| 35 | return 0; |
| 36 | } |