src/userprog/syscall.c

   1 #include "userprog/syscall.h"
   2 #include <stdio.h>
   3 #include <syscall-nr.h>
   4 #include "threads/interrupt.h"
   5 #include "threads/thread.h"
   6
   7 static void syscall_handler (struct intr_frame *);
   8
   9 void
  10 syscall_init (void)
  11 {
  12   intr_register_int (0x30, 3, INTR_ON, syscall_handler, "syscall");
  13 }
  14
  15 static void
  16 syscall_handler (struct intr_frame *f UNUSED)
  17 {
  18   printf ("system call!\n");
  19   thread_exit ();
  20 }