os_kernel_lab/labcodes/lab8/user/sleepkill.c

#include <stdio.h>
#include <ulib.h>

int
main(void) {
    int pid;
    if ((pid = fork()) == 0) {
        sleep(~0);
        exit(0xdead);
    }
    assert(pid > 0);

    sleep(100);
    assert(kill(pid) == 0);
    cprintf("sleepkill pass.\n");
    return 0;
}