#include<stdio.h>
#include<signal.h>
#include<string.h>
#include<stdlib.h>
#include<unistd.h>
void sig_han(int signo,siginfo_t *obj,void *p)
{
printf("the sighandler :%d \n",obj->si_signo);
printf("the sighandler address :%p \n",obj->si_addr);
exit(1);
}
void fun(int a)
{
printf("the call value :%d\n",a);
fun(a);
}
int main()
{
struct sigaction act;
stack_t sigstack;
sigstack.ss_sp = malloc(SIGSTKSZ);
if (sigstack.ss_sp == NULL)
perror("handler");
sigstack.ss_size =SIGSTKSZ;
sigstack.ss_flags = 0;
memset(&act,0,sizeof(act));
act.sa_sigaction = sig_han;
act.sa_flags = SA_ONSTACK | SA_SIGINFO;
if(sigaltstack(&sigstack,NULL) == -1)
perror("sigaltstack");
if(sigaction(11,&act,NULL) == -1)
perror("sigaction");
printf("test\n");
fun(100000);
return 0;
}
