SN-0438 已核对来源，附原文与上下文。
Laszlo 已修正此问题，可惜赶不上 0.3.0 了。不过应该很快会有 0.3.1。
Laszlo corrected this, but unfortunately it was too late to make it into 0.3.0. There will probably be a 0.3.1 soon though.
问题在于我用的是 PRIO_MIN，最低优先级本该用 PRIO_MAX。操作系统本不该允许你调高优先级，所以用 PRIO_MIN 应该会让它停在优先级 0。
The problem is I used PRIO_MIN, I should have used PRIO_MAX for the lowest priority. The OS isn't supposed to let you increase priority, so the PRIO_MIN ought to leave it at priority 0.
