35 lines
438 B
C
35 lines
438 B
C
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#include<unistd.h>
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#include<stdio.h>
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#include<stdlib.h>
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#include<signal.h>
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#include<stdint.h>
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#include<assert.h>
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#include "helpers.h"
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int x=2,y=3;
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int swap(int *x,int *y)
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{
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int tmp=*x;
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*x=*y;
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*y=tmp;
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}
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void sig_handler(int signo)
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{
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switch(signo){
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case SIGQUIT :
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printf("x=%d y=%d\n",x,y);
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break;
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}
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}
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int main(int argc,char * argv[])
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{
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assert(set_signal_handler(SIGQUIT,sig_handler)==0);
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while(1){
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swap(&x,&y);
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}
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}
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