code:panic - ikarishinjieva/unixV6-code-analyze-chs GitHub Wiki

2409

2410 /*

2411  * Panic is called on unresolvable

2412  * fatal errors.

2413  * It syncs, prints "panic: mesg" and

2414  * then loops.

2415  */

2416 panic(s)

2417 char *s;

2418 {

2419     panicstr = s;

• 保存错误信息 到 panicstr
• panicstr 定义在 prf.c

2420     update();

• 将 读入内存的信息 写回 磁盘

2421     printf("panic: %s \n", s);

2422     for(;;)

2423          idle();

• 等待 管理员 干预

2424 }

2425 /* ------------------------- */

• code:main
• code:newproc
• code:sched
• code:trap
• code:exit
• code:unlink
• code:xswap
• code:xalloc
• code:getblk
• code:iinit
• code:getfs
• code:iget