18 lines
299 B
C
18 lines
299 B
C
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#include <stdio.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <unistd.h> // sleep
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int main()
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{
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printf("2秒后挂起, 等待信号 SIGINT\n");
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sleep(2);
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if (f = pause() == -1)
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{
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printf("pause error\n");
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}
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else
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{
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printf("pause return\n");
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}
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}
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