#include <hal/cpu.h>
#include <lunaix/clock.h>
-#include <lunaix/keyboard.h>
#include <lunaix/lunistd.h>
+#include <lunaix/lxconsole.h>
#include <lunaix/mm/kalloc.h>
#include <lunaix/mm/vmm.h>
#include <lunaix/proc.h>
-#include <lunaix/signal.h>
#include <lunaix/spike.h>
#include <lunaix/syslog.h>
#include <lunaix/timer.h>
-#include <lunaix/tty/tty.h>
extern uint8_t __kernel_start;
#define WAIT_DEMO
#define IN_USER_MODE
-void __USER__
-sigchild_handler(int signum)
-{
- kprintf(KINFO "SIGCHLD received\n");
-}
-
void __USER__
_lxinit_main()
{
}
#endif
- signal(_SIGCHLD, sigchild_handler);
-
int status;
#ifdef WAIT_DEMO
// 测试wait
kprintf("I am child, I am about to terminated\n");
_exit(1);
}
- pause();
+ wait(&status);
pid_t child = wait(&status);
kprintf("I am parent, my child (%d) terminated normally with code: %d.\n",
child,
waitpid(-1, &status, WNOHANG);
- 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);
if (i == 3) {
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);
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));
- // FIXME: io to vga port is privileged and cause #GP in user mode
- // tty_sync_cursor();
- }
- }
- spin();
+ _exit(0);
}
\ No newline at end of file