// #define FORK_BOMB_DEMO
#define WAIT_DEMO
+#define IN_USER_MODE
-void
+void __USER__
_lxinit_main()
{
#ifdef FORK_BOMB_DEMO
kprintf("I am child, I am about to terminated\n");
_exit(1);
}
+ wait(&status);
pid_t child = wait(&status);
kprintf("I am parent, my child (%d) terminated normally with code: %d.\n",
child,
pid_t p = 0;
- if (!(p = fork())) {
- kprintf("Test no hang!");
- sleep(1);
+ if (!fork()) {
+ kprintf("Test no hang!\n");
+ sleep(6);
_exit(0);
}
- waitpid(-1, &status, 0);
- // FIXME: WNOHANG还有点问题……
- // waitpid(-1, &status, WNOHANG);
-
- sleep(2);
+ waitpid(-1, &status, WNOHANG);
- // 这里是就是LunaixOS的第一个进程了!
- for (size_t i = 0; i < 10; i++) {
+ for (size_t i = 0; i < 5; i++) {
pid_t pid = 0;
if (!(pid = fork())) {
sleep(i);
struct kdb_keyinfo_pkt keyevent;
while (1) {
if (!kbd_recv_key(&keyevent)) {
- // yield();
+ yield();
continue;
}
if ((keyevent.state & KBD_KEY_FPRESSED) &&
(keyevent.keycode & 0xff00) <= KEYPAD) {
tty_put_char((char)(keyevent.keycode & 0x00ff));
- tty_sync_cursor();
+ // FIXME: io to vga port is privileged and cause #GP in user mode
+ // tty_sync_cursor();
}
}
-
spin();
}
\ No newline at end of file