[os4-ref] fix : TaskStatus in kernel is different from TaskStatus in user mode. #77
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在当前的 os4-ref 代码中, 内核中赋值为TaskStatus::Running的字段将被在用户态错误解释为TaskStatus::Ready
原因是TaskStatus的实现不同:
用户态中TaskStatus:
pub enum TaskStatus { UnInit, Ready, Running, Exited, }
内核中TaskStatus:
pub enum TaskStatus { Ready, Running, Exited, }