merges r24616 from trunk into ruby_1_9_1.

--
* thread.c (rb_check_deadlock): decrease number of sleepers before
  deadlock detection because the deadlock exception makes main thread
  run.  [ruby-dev:39142]

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_9_1@25541 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/thread.c b/thread.c
index c51499488..78571590c 100644
--- a/thread.c
+++ b/thread.c
@@ -3955,6 +3955,7 @@ rb_check_deadlock(rb_vm_t *vm)
 	printf("%d %d %p %p\n", vm->living_threads->num_entries, vm->sleeper, GET_THREAD(), vm->main_thread);
 	st_foreach(vm->living_threads, debug_i, (st_data_t)0);
 #endif
+	vm->sleeper--;
 	rb_thread_raise(2, argv, vm->main_thread);
     }
 }