进程间的通讯-软中断信号
#include<stdio.h>#include<stdlib.h>#include<unistd.h>#include<signal.h>/*软中断信号例子*//*定义*/void handle();int tmep;void handle(){tmep=0;}main(){/*预设软中断信号对应的函数，将覆盖系统默认*/signal(SIGINT,handle);tmep=1;while(tmep==1){printf("hello!\n");}printf("you press ctrl+c!OK!\n");exit(0);}