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+Wed Jul 18 14:16:51 2012 Koichi Sasada <ko1@atdot.net>
+
+ * thread.c (rb_threadptr_async_errinfo_*): manage async errors queue.
+ Async events such as an exception throwed by Thread#raise,
+ Thread#kill and thread termination (after main thread termination)
+ will be queued to th->async_errinfo_queue.
+ - clear: clear the queue.
+ - enque: enque err object into queue.
+ - deque: deque err object from queue.
+ - active_p: return 1 if the queue should be checked.
+ rb_thread_t#thrown_errinfo was removed.
+
+ * vm_core.h: add declarations of rb_threadptr_async_errinfo_*.
+ remove rb_thread_t#thrown_errinfo field and
+ add rb_thread_t#async_errinfo_queue (queue body: Array),
+ rb_thread_t#async_errinfo_queue_checked (flag),
+ rb_thread_t#async_errinfo_mask_stack(Array, not used yet).
+
+ * vm.c (rb_thread_mark): fix a mark function.
+
+ * cont.c (rb_fiber_start): enque an error.
+
+ * process.c (after_fork): clear async errinfo queue.
+
Wed Jul 18 14:25:55 2012 URABE Shyouhei <shyouhei@ruby-lang.org>
* pack.c: (ditto) bitwise operations are not char. Apply explicit