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/*
* Recitation Section Number: 9
* Breakout Number:
* Member Name (X500)
* Member Name (X500)
* Member Name (X500)
* Member Name (X500)
*/
#include <stdio.h>
#include <signal.h>
#include <unistd.h>
#include <time.h>
// Remember the usage of sig_atomic_t in the recitation example
static volatile sig_atomic_t doneflag = 0;
static void setdoneflag(int signo) {
doneflag = doneflag ^ 1;
}
void infinitePrint() {
static int count = 0;
printf("%ld: Count = %d\n", time(NULL), ++count);
sleep(1);
}
int main() {
// ------------------sol2.c-----------------
// setup signal handler - sigaction struct, sigemptyset,
struct sigaction act;
sigset_t sigset;
// specify action associated with SIGNT - sigaction()
act.sa_handler = setdoneflag; /* set up signal handler */
act.sa_flags = 0;
if ((sigemptyset(&act.sa_mask) == -1) ||
(sigaction(SIGINT, &act, NULL) == -1))
{
perror("Failed to set SIGINT handler");
return 1;
}
// You are free to modify the while loop but not the infinitePrint()
// -----------------------------------------
/* Print infinitely. */
while (1) {
if (!doneflag)
infinitePrint();
}
}
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