X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/8357bda627bdf02c1b69eecf27993182239fb463..9d62069fd52fa2108b677ffadc7f6138c7641757:/lunaix-os/kernel/lxinit.c diff --git a/lunaix-os/kernel/lxinit.c b/lunaix-os/kernel/lxinit.c index f7b0f95..2ac9342 100644 --- a/lunaix-os/kernel/lxinit.c +++ b/lunaix-os/kernel/lxinit.c @@ -16,8 +16,9 @@ LOG_MODULE("INIT") // #define FORK_BOMB_DEMO #define WAIT_DEMO +#define IN_USER_MODE -void +void __USER__ _lxinit_main() { #ifdef FORK_BOMB_DEMO @@ -40,6 +41,7 @@ _lxinit_main() 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, @@ -48,20 +50,15 @@ _lxinit_main() 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); @@ -98,15 +95,15 @@ _lxinit_main() 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