#include <sys/types.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <signal.h>

int main(int argc, char **argv) {
    pid_t pid = atoi(argv[1]);

    printf("sending signals to %d\n", pid);

    if (random() % 2 == 0) {
        kill(pid, SIGUSR1);
        kill(pid, SIGUSR2);
    } else {
        kill(pid, SIGUSR2);
        kill(pid, SIGUSR1);
    }

    sleep(5);
    
    kill(pid, SIGKILL);
}