* thread.c (rb_gc_save_machine_context): call FLUSH_REGISTER_WINDOWS

to mark the register stack from GC on another thread.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16328 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Thu May  8 15:36:11 2008  Tanaka Akira  <akr@fsij.org>
+
+	* thread.c (rb_gc_save_machine_context): call FLUSH_REGISTER_WINDOWS
+	  to mark the register stack from GC on another thread.
+
 Thu May  8 15:14:34 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* array.c (rb_ary_sort_bang): freeze temporary array.

bootstraptest/test_thread.rb

@@ -234,3 +234,15 @@ assert_normal_exit %q{
   STDERR.reopen(STDOUT)
   exec "/"
 }
+
+assert_normal_exit %q{
+  (0..10).map {
+    Thread.new {
+     10000.times {
+        Object.new.to_s
+      }
+    }
+  }.each {|t|
+    t.join
+  }
+}

thread.c

@@ -1966,6 +1966,7 @@ void
 rb_gc_save_machine_context(rb_thread_t *th)
 {
     SET_MACHINE_STACK_END(&th->machine_stack_end);
+    FLUSH_REGISTER_WINDOWS;
 #ifdef __ia64
     th->machine_register_stack_end = rb_ia64_bsp();
 #endif