| #include "libcompat.h" |
| |
| int |
| timer_settime (timer_t timerid CK_ATTRIBUTE_UNUSED, |
| int flags CK_ATTRIBUTE_UNUSED, |
| const struct itimerspec *new_value, |
| struct itimerspec *old_value CK_ATTRIBUTE_UNUSED) |
| { |
| #ifdef HAVE_SETITIMER |
| /* |
| * If the system does not have timer_settime() but does have |
| * setitimer() use that instead of alarm(). |
| */ |
| struct itimerval interval; |
| |
| interval.it_value.tv_sec = new_value->it_value.tv_sec; |
| interval.it_value.tv_usec = new_value->it_value.tv_nsec / 1000; |
| interval.it_interval.tv_sec = new_value->it_interval.tv_sec; |
| interval.it_interval.tv_usec = new_value->it_interval.tv_nsec / 1000; |
| |
| return setitimer (ITIMER_REAL, &interval, NULL); |
| #else |
| int seconds = new_value->it_value.tv_sec; |
| |
| /* |
| * As the alarm() call has only second precision, if the caller |
| * specifies partial seconds, we round up to the nearest second. |
| */ |
| if (new_value->it_value.tv_nsec > 0) { |
| seconds += 1; |
| } |
| |
| alarm (seconds); |
| |
| return 0; |
| #endif |
| } |