mo...@rodents-montreal.org (Mouse) writes: > } else if (sec <= (LONG_MAX / 1000000)) > ticks = (((sec * 1000000) + (unsigned long)usec + (tick - 1)) > / tick) + 1;
>which looks suspicious. If sec is zero and usec is tick, that >expression will return 2 instead of the 1 I suspect it needs to return. The delay is always rounded up to the resolution of the clock, so waiting for 1 microsecond waits at least 10ms. The interval to the next tick can be arbitrarily short. Waiting for at least 10ms therefore means to wait for the second next tick. In a tickless system, such a problem doesn't exist.
