#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__
-sigsegv_handler(int signum)
-{
- pid_t pid = getpid();
- kprintf(KWARN "SIGSEGV received on process %d\n", pid);
- _exit(signum);
-}
-
void __USER__
_lxinit_main()
{
}
#endif
- signal(_SIGCHLD, sigchild_handler);
- signal(_SIGSEGV, sigsegv_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,
for (size_t i = 0; i < 5; i++) {
pid_t pid = 0;
if (!(pid = fork())) {
- signal(_SIGSEGV, sigsegv_handler);
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);
while ((p = wait(&status)) >= 0) {
short code = WEXITSTATUS(status);
- if (WIFSIGNALED(status)) {
- kprintf(KINFO "Process %d terminated by signal, exit_code: %d\n",
- p,
- code);
- } else if (WIFEXITED(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);
}
if ((keyevent.state & KBD_KEY_FPRESSED) &&
(keyevent.keycode & 0xff00) <= KEYPAD) {
- tty_put_char((char)(keyevent.keycode & 0x00ff));
+ console_write_char((char)(keyevent.keycode & 0x00ff));
// FIXME: io to vga port is privileged and cause #GP in user mode
// tty_sync_cursor();
}