introduce struct `rb_native_thread`

`rb_thread_t` contained `native_thread_data_t` to represent
thread implementation dependent data. This patch separates
them and rename it `rb_native_thread` and point it from
`rb_thraed_t`.

Now, 1 Ruby thread (`rb_thread_t`) has 1 native thread (`rb_native_thread`).

1 files changed, 2 insertions, 2 deletions

diff --git a/vm_dump.c b/vm_dump.c
index e4410e3e7c..ebc9a03680 100644
--- a/vm_dump.c
+++ b/vm_dump.c
@@ -1194,10 +1194,10 @@ rb_vmdebug_stack_dump_all_threads(void)
     ccan_list_for_each(&r->threads.set, th, lt_node) {
 #ifdef NON_SCALAR_THREAD_ID
         rb_thread_id_string_t buf;
-	ruby_fill_thread_id_string(th->thread_id, buf);
+	ruby_fill_thread_id_string(th->nt->thread_id, buf);
 	fprintf(stderr, "th: %p, native_id: %s\n", th, buf);
 #else
-        fprintf(stderr, "th: %p, native_id: %p\n", (void *)th, (void *)(uintptr_t)th->thread_id);
+        fprintf(stderr, "th: %p, native_id: %p\n", (void *)th, (void *)(uintptr_t)th->nt->thread_id);
 #endif
 	rb_vmdebug_stack_dump_raw(th->ec, th->ec->cfp);
     }