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merge revision(s) 57477,57478,57479: [Backport #12405]

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use TRUE/FALSE.

	define rb_thread_sleep_deadly_allow_spurious_wakeup().

	* thread.c, thread_sync.c: define new function
	  rb_thread_sleep_deadly_allow_spurious_wakeup() and use it instead of
	  using sleep_forever() directly.

	allow Queue operation in trap.

	* thread_sync.c: allow spurious wakeup to check Queue status just after trap.
	  [Bug #12405]

	* test/thread/test_queue.rb: add a test for it.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57879 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2017-03-11 18:45:34 +00:00
parent 9258462e2a
commit 0c72a8f091
4 changed files with 31 additions and 6 deletions
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4
thread_sync.c
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@ -420,7 +420,7 @@ rb_mutex_abandon_all(rb_mutex_t *mutexes)
static VALUE
rb_mutex_sleep_forever(VALUE time)
{
sleep_forever(GET_THREAD(), 1, 0); /* permit spurious check */
rb_thread_sleep_deadly_allow_spurious_wakeup();
return Qnil;
}
@ -773,7 +773,7 @@ queue_delete_from_waiting(struct waiting_delete *p)
static VALUE
queue_sleep(VALUE arg)
{
rb_thread_sleep_deadly();
rb_thread_sleep_deadly_allow_spurious_wakeup();
return Qnil;
}