信号

#include <stdio.h>
#include <stdlib.h>
#include<unistd.h>
#include<string.h>
#include<sys/types.h>
#include<sys/wait.h>
#include<sys/ipc.h>
#include<sys/shm.h>
#include<signal.h>

int func1(int a,int b)
{
    return a+b;
}

void catch_Signal(int Sign)
{
    switch(Sign)
    {
    case SIGINT:
        printf("SIGINT Signal\n");
        exit(0);
    case SIGALRM:
        printf("SIGALRM Signal\n");
//        alarm(5);
        break;
    }

}

void mysleep(int i)
{
    alarm(i);
    pause();
}

int signal1(int signo,void (*func)(int))
{
    struct sigaction act,oact;
    act.sa_handler = func;
    sigemptyset(&act.sa_mask);
    act.sa_flags = 0;
    return sigaction(signo,&act,&oact);

}

int main(int arg ,char *args[])
{
//    int (*p)(int,int);
//    p = func1;  //鍥炶皟鍑芥暟
//    printf("p=%d\n",p(4,6));
    printf("SIGINT = %d,SIGALRM = %d\n",SIGINT,SIGALRM);

//    signal(SIGINT,catch_Signal);
//    signal(SIGALRM,catch_Signal);
    signal1(SIGINT,catch_Signal);
    signal1(SIGALRM,catch_Signal);

    int i=0;
    mysleep(10);
    printf("LLLLLLLLLLLLLLLLLLLLL\n");
    while(1)
    {
        scanf("%d",&i);
        printf("hello%d\n",i++);
        sleep(1);
    }

    return EXIT_SUCCESS;
}