#include <sched.h>
#include <signal.h>
#include <stdio.h>
#include <sys/types.h>

/* int i = 0; */

int thread_main(void *arg)
{
    printf("child: Hello world!\n");
    while(1) /* i++ */;
    return 0;
}

unsigned long stack[8192];

int main()
{
    int pid;

    printf("About to clone: thread_main=%p\n", thread_main);

    pid = clone(thread_main, stack+4096, CLONE_VM, NULL);

    if(pid == -1)
    {
        perror("clone");
        return 1;
    }

    printf("parent: clone successful; child pid is %d\n", pid);
    printf("parent: sleeping a bit\n");

    sleep(2);

/*    printf("parent: value is %d\n", i); */
    printf("parent: killing process\n");

    kill(pid, SIGTERM);

    return 0;
}