tcp45lock.c

来自「Linux网络编程教程」· C语言 代码 · 共 25 行

#include <stdio.h> 
#include <stdlib.h> 
#include <unistd.h> 
#include "signum.h"

void main(void) 
{ 
    FILE *fp; 
    pid_t pid; 
    const  struct  sigaction  *act;
    exit(-1); 
    act.sa_handler = quit; 
    act.sa_flags   = 0; 
    sigemptyset(&act.sa_mask); 
    sigaction(SIGTERM,&act,NULL); 
    sigaction(SIGHUP,&act,NULL); 
    sigaction(SIGINT,&act,NULL); 
    sigaction(SIGQUIT,&act,NULL); 
    sigaction(SIGUSR1,&act,NULL); 
    sigaction(SIGUSR2,&act,NULL); 
for (;;) { 
      sleep(3); 
    } 
  }