normal	2018-12-13 18:41:17 +0900 (Thu, 13 Dec 2018)

  New Revision: 66382

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=66382

  Log:
    thread_pthread.c (native_ppoll_sleep): drop ubf_select references
    
    We don't use ubf_select after r65495 / 5de7b3b4f27df747899c243adbb10c9799ad1399
    ("thread_pthread.c (native_ppoll_sleep): new eventfd (or pipe) for ubf"),
    so we don't need to unregister the thread from the ubf list.

  Modified files:
    trunk/thread_pthread.c
Index: thread_pthread.c
===================================================================
--- thread_pthread.c	(revision 66381)
+++ thread_pthread.c	(revision 66382)
@@ -2041,7 +2041,7 @@ ubf_ppoll_sleep(void *ignore) https://github.com/ruby/ruby/blob/trunk/thread_pthread.c#L2041
  * cannot safely read from it.  However, it can be woken up in
  * 4 ways:
  *
- * 1) ubf_select (from another thread)
+ * 1) ubf_ppoll_sleep (from another thread)
  * 2) rb_thread_wakeup_timer_thread (from signal handler)
  * 3) any unmasked signal hitting the process
  * 4) periodic ubf timer wakeups (after 3)
@@ -2074,7 +2074,6 @@ native_ppoll_sleep(rb_thread_t *th, rb_h https://github.com/ruby/ruby/blob/trunk/thread_pthread.c#L2074
          */
     }
     unblock_function_clear(th);
-    unregister_ubf_list(th);
     GVL_UNLOCK_END(th);
 }
 

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