X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/86a9cfeadbbe180abf6c8bd8c64c86957fdacfeb..a362b4b2c4abbf2da6ec14cb44a8685a81107f6a:/lunaix-os/kernel/lxinit.c?ds=sidebyside diff --git a/lunaix-os/kernel/lxinit.c b/lunaix-os/kernel/lxinit.c index e6ca67b..f53405a 100644 --- a/lunaix-os/kernel/lxinit.c +++ b/lunaix-os/kernel/lxinit.c @@ -1,14 +1,13 @@ #include -#include +#include +#include +#include +#include #include #include #include -#include +#include #include -#include -#include -#include -#include extern uint8_t __kernel_start; @@ -16,8 +15,9 @@ LOG_MODULE("INIT") // #define FORK_BOMB_DEMO #define WAIT_DEMO +#define IN_USER_MODE -void +void __USER__ _lxinit_main() { #ifdef FORK_BOMB_DEMO @@ -25,11 +25,12 @@ _lxinit_main() for (;;) { pid_t p; if ((p = fork())) { - kprintf(KDEBUG "Forked %d\n", p); + kprintf(KDEBUG "Pinkie Pie #%d: FUN!\n", p); } } #endif + int status; #ifdef WAIT_DEMO // 测试wait kprintf("I am parent, going to fork my child and wait.\n"); @@ -39,27 +40,45 @@ _lxinit_main() kprintf("I am child, I am about to terminated\n"); _exit(1); } - int status; + wait(&status); pid_t child = wait(&status); - kprintf("I am parent, my child (%d) terminated with code: %d.\n", child, status); + kprintf("I am parent, my child (%d) terminated normally with code: %d.\n", + child, + WEXITSTATUS(status)); #endif - - // 这里是就是LunaixOS的第一个进程了! - for (size_t i = 0; i < 10; i++) - { + + pid_t p = 0; + + if (!fork()) { + kprintf("Test no hang!\n"); + sleep(6); + _exit(0); + } + + waitpid(-1, &status, WNOHANG); + + for (size_t i = 0; i < 5; i++) { pid_t pid = 0; if (!(pid = fork())) { sleep(i); if (i == 3) { - i = *(int*)0xdeadc0de; // seg fault! + i = *(int*)0xdeadc0de; // seg fault! } - tty_put_char('0'+i); - tty_put_char('\n'); + kprintf(KINFO "%d\n", i); _exit(0); } kprintf(KINFO "Forked %d\n", pid); } + while ((p = wait(&status)) >= 0) { + short code = WEXITSTATUS(status); + if (WIFEXITED(status)) { + kprintf(KINFO "Process %d exited with code %d\n", p, code); + } else { + kprintf(KWARN "Process %d aborted with code %d\n", p, code); + } + } + char buf[64]; kprintf(KINFO "Hello processes!\n"); @@ -67,22 +86,5 @@ _lxinit_main() cpu_get_brand(buf); kprintf("CPU: %s\n\n", buf); - // no lxmalloc here! This can only be used within kernel, but here, we are in a dedicated process! - // any access to kernel method must be done via syscall - - struct kdb_keyinfo_pkt keyevent; - while (1) - { - if (!kbd_recv_key(&keyevent)) { - // yield(); - continue; - } - if ((keyevent.state & KBD_KEY_FPRESSED) && (keyevent.keycode & 0xff00) <= KEYPAD) { - tty_put_char((char)(keyevent.keycode & 0x00ff)); - tty_sync_cursor(); - } - } - - - spin(); + _exit(0); } \ No newline at end of file