From: Yukihiro Matsumoto <matz@...>
Date: 2004-09-15T18:37:28+09:00
Subject: Re: [PATCH] dir.c --- Dir.chdir error handling

Hi,

In message "Re: [PATCH] dir.c --- Dir.chdir error handling"
    on Wed, 15 Sep 2004 18:26:05 +0900, ts <decoux@moulon.inra.fr> writes:

| Now if ruby crash, rewrite mark_locations_array() like this
|
| ------------------------------------------------------------
|   static void
|   mark_locations_array(x, n)
|       register VALUE *x;
|       register long n;
|   {
|       VALUE tmp;
|
|       while (n--) {
|        if (is_pointer_to_heap((void *)*x)) {
|            tmp = *x;
|            rb_gc_mark(tmp);
|        }
|        x++;
|       }
|   }
| ------------------------------------------------------------
|
| and you'll see that ruby work (normally)
|
| If you look at the patch to correct this problem, written by matz, you'll
| see that it has nothing to do with `volatile'

Interesting.  I'm happy to see the bug fixed.  But I'm not sure what
was the problem, and how this "fix" changed the situation.  Can you
(or anybody) explain for me?

							matz.