int nice(int incr)
{
- if (incr != 0) {
- errno = EINVAL;
- return -1;
- }
+ DWORD prioclass = NORMAL_PRIORITY_CLASS;
+
+ if (incr < -15)
+ prioclass = HIGH_PRIORITY_CLASS;
+ else if (incr < 0)
+ prioclass = ABOVE_NORMAL_PRIORITY_CLASS;
+ else if (incr > 15)
+ prioclass = IDLE_PRIORITY_CLASS;
+ else if (incr > 0)
+ prioclass = BELOW_NORMAL_PRIORITY_CLASS;
+
+ if (!SetPriorityClass(GetCurrentProcess(), prioclass))
+ log_err("fio: SetPriorityClass failed\n");
return 0;
}