Merge pull request #52 from hangpark/iss/10

[#10] Implement wait system call
hangpark · Apr 12, 2017 · 8dd60b5 · 8dd60b5
2 parents c23992b + a713ee3
commit 8dd60b5
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/userprog/syscall.c b/src/userprog/syscall.c
@@ -190,10 +190,11 @@ syscall_exec (const char *cmd_line)
   return p->pid;
 }
 
+/* Waits for a child process pid and retrieves the child's exit status. */
 static int 
 syscall_wait (pid_t pid)
 {
-  return 0;
+  return process_wait (pid);
 }
 
 static bool