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ctrl_alt_del.c
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26 lines (23 loc) · 577 Bytes
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/* https://cirosantilli.com/linux-kernel-module-cheat#ctrl-alt-del */
#define _XOPEN_SOURCE 700
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/reboot.h>
#include <unistd.h>
void signal_handler(int sig) {
write(STDOUT_FILENO, "cad\n", 4);
signal(sig, signal_handler);
}
int main(void) {
int i = 0;
/* Disable the forced reboot, enable sending SIGINT to init. */
reboot(RB_DISABLE_CAD);
signal(SIGINT, signal_handler);
while (1) {
sleep(1);
printf("%d\n", i);
i++;
}
return EXIT_SUCCESS;
}