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typo #5

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typo #5

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4 changes: 2 additions & 2 deletions kernel/sched.c
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@ void show_stat(void)
}

// PC机8253定时芯片的输入时钟频率约为1.193180MHz. Linux内核希望定时器发出中断的频率是
// 100Hz，也即没10ms发出一次时钟中断。因此这里的LATCH是设置8253芯片的初值。
// 100Hz，也即每10ms发出一次时钟中断。因此这里的LATCH是设置8253芯片的初值。
#define LATCH (1193180/HZ)

extern void mem_use(void); // 没有任何地方定义和引用该函数
Expand Down Expand Up @@ -152,7 +152,7 @@ void schedule(void)
}
// 如果信号位图中除被阻塞的信号外还有其他信号，并且任务处于可中断状态，则
// 置任务为就绪状态。其中'~(_BLOCKABLE & (*p)->blocked)'用于忽略被阻塞的信号，但
// SIGKILL 和SIGSTOP不能呗阻塞。
// SIGKILL 和SIGSTOP不能被阻塞。
if (((*p)->signal & ~(_BLOCKABLE & (*p)->blocked)) &&
(*p)->state==TASK_INTERRUPTIBLE)
(*p)->state=TASK_RUNNING;
Expand Down