#include <stdio.h>
#include <signal.h>
#include <string.h>
#include <unistd.h>

//  ---------------------------------------------------------------------
//  消息处理
//
//  程序开始运行时调用s_catch_signals()函数；
//  在循环中判断s_interrupted是否为1，是则跳出循环；

static int interrupted=0;
void signal_handler(int sig)
{
  (void)sig;
  interrupted=1;
}

void catch_signals(void)
{
  struct sigaction action;
  action.sa_handler=signal_handler;
  action.sa_flags=0;
  sigemptyset(&action.sa_mask);
  sigaction(SIGINT,&action,NULL);
}


int main(void)
{
  catch_signals();
  char buf[256];
  int i=0;
  while (!interrupted)
  {
    printf("hello salman!!!");
  }

  return 0;
}