40 lines
723 B
C
40 lines
723 B
C
#include <assert.h>
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#include <user/stdio.h>
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/*
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* 当发生不可挽回的错误时就打印错误信息并使进程死循环
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*/
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void
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_panic(const char *file, int line, const char *fmt,...)
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{
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va_list ap;
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va_start(ap, fmt);
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printf("\x1b[0m\x1b[91muser panic at %s:%d: ", file, line);
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vprintf(fmt, ap);
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printf("\n\x1b[0m");
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va_end(ap);
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fflush();
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// 休眠CPU核，直接罢工
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while(1)
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/* do nothing */;
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}
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/*
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* 很像panic，但是不会休眠进程，就是正常打印信息
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*/
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void
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_warn(const char *file, int line, const char *fmt,...)
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{
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va_list ap;
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va_start(ap, fmt);
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printf("\x1b[0m\x1b[93muser warning at %s:%d: ", file, line);
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vprintf(fmt, ap);
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printf("\n\x1b[0m");
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va_end(ap);
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fflush();
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} |