学习到了 常用函数 system
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20
C16-并发/parallel/signal/alarm.c
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20
C16-并发/parallel/signal/alarm.c
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#include <stdlib.h>
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#include <unistd.h>
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int main(int argc, char **argv)
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{
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alarm(10);
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alarm(1);
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alarm(5);
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// alarm(10);
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// alarm(5);
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// alarm(1);
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// 效果不一样
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for (;;)
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pause();
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exit(0);
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}
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