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x32 signal stack problem
``` c
#include <stdio.h> //printf()
#include <unistd.h> //pause()
#include <signal.h> //signal()
#include <string.h> //memset()
#include <sys/time.h> //struct itimerval, setitimer()
static int count = 0;
static volatile int caught_signal;
void clear_signal(void)
{
if (caught_signal) {
printf("caugt_signal !=0\n");
}
while (!caught_signal);
if (caught_signal != SIGALRM) {
printf("Received incorrect signal: %d",caught_signal);
}
caught_signal = 0;
}
void printMes(int signo)
{
caught_signal = signo;
}
int main()
{
int res = 0;
struct itimerval tick;
signal(SIGALRM, printMes);
memset(&tick, 0, sizeof(tick));
//Timeout to run first time
tick.it_value.tv_sec = 1;
tick.it_value.tv_usec = 0;
//After first, the Interval time for clock
tick.it_interval.tv_sec = 0;
tick.it_interval.tv_usec = 100;
if(setitimer(ITIMER_REAL, &tick, NULL) < 0)
printf("Set timer failed!\n");
while(1)
{
clear_signal();
}
return 0;
}
```
i compile this code in a ubunt16.04 x32 container. and receive segfault.
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