一个证明signal函数运行机制的函数！

#include<stdio.h>
#include<signal.h>
void SignHandler(int iSignNum)
{
printf("\nCapture signal number is:%d\n",iSignNum);
}
int main(void)
{
int i;
signal(SIGINT,SignHandler);
while(1)
{
for(i=0;i<10;i++)
{
printf("%d\n",i);
sleep(1);
}

}
return 0;
}

0
1
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9
0
1
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8
^C
Capture signal number is:2
9
0
1
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3
^C
Capture signal number is:2
4
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9
0
1
^C
Capture signal number is:2
2
3
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9
0
1
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3
^C
Capture signal number is:2
4
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9
0
1
2
3
^\Quit (core dumped)