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ext/thread: SizedQueue#max= wakes up waiters properly

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* ext/thread/thread.c (rb_szqueue_max_set): use correct queue and
	  limit wakeups.  [Bug #9343][ruby-core:60517]
	* test/thread/test_queue.rb (test_sized_queue_assign_max):
	  test for bug

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44852 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
normal 2014-02-05 23:35:06 +00:00
parent b9a4cf2aca
commit 2d603f9fee
3 changed files with 15 additions and 1 deletions
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2
ext/thread/thread.c
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@ -437,7 +437,7 @@ rb_szqueue_max_set(VALUE self, VALUE vmax)
diff = max - GET_SZQUEUE_ULONGMAX(self);
}
RSTRUCT_SET(self, SZQUEUE_MAX, vmax);
while (diff > 0 && !NIL_P(t = rb_ary_shift(GET_QUEUE_QUE(self)))) {
while (diff-- > 0 && !NIL_P(t = rb_ary_shift(GET_SZQUEUE_WAITERS(self)))) {
rb_thread_wakeup_alive(t);
}
return vmax;