[ruby-cvs:69323] usa:r62142 (ruby_2_3): merge revision(s) 60079: [Backport #13794]

[usa at ruby-lang.org]

usa	2018-01-31 22:49:13 +0900 (Wed, 31 Jan 2018)

  New Revision: 62142

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=62142

  Log:
    merge revision(s) 60079: [Backport #13794]
    
    thread_pthread.c: do not wakeup inside child processes
    
    * thread_pthread.c (rb_thread_wakeup_timer_thread): check
      ownership before incrementing
      (rb_thread_wakeup_timer_thread_low): ditto
      [Bug #13794] [ruby-core:83064]

  Modified directories:
    branches/ruby_2_3/
  Modified files:
    branches/ruby_2_3/ChangeLog
    branches/ruby_2_3/thread_pthread.c
    branches/ruby_2_3/version.h