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// ex 2.1
@@
@@
int do_setitimer(int which, struct itimerval *value,
struct itimerval *ovalue)
{
unsigned long expire;
cputime_t cputime;
int k;
if (ovalue && (k = do_getitimer(which, ovalue)) < 0)
return k;
switch (which) {
// work even when reversed case
case ITIMER_PROF:
cputime = timeval_to_cputime(&value->it_value);
if (cputime_eq(cputime, cputime_zero))
cputime = jiffies_to_cputime(1);
current->it_prof_value = cputime;
cputime = timeval_to_cputime(&value->it_interval);
- current->it_prof_incr = cputime;
+ B;
break;
case ITIMER_VIRTUAL:
cputime = timeval_to_cputime(&value->it_value);
if (cputime_eq(cputime, cputime_zero))
cputime = jiffies_to_cputime(1);
current->it_virt_value = cputime;
- cputime = timeval_to_cputime(&value->it_interval);
+ A;
current->it_virt_incr = cputime;
break;
default:
return -EINVAL;
}
return 0;
}
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