[ruby-dev:46699] [ruby-trunk - Feature #7505] Mutex#owned? ЅсЅНЅУЅЩЄЮПЗРп

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Issue #7505 has been updated by tarui (Masaya Tarui).


хЄ???????????????????фК????????????Ју??????????Ўу?Їу????????

mutex=Mutex.new
Thread.new{
  mutex.synchronize{
    begin
      sleep 1
      mutex.sleep
    ensure
      ??Њу?Ну?Му?ЙшЇЃ???
    end
  }
}
mutex.syncronize{
  sleep 10
}

mutex.sleep???mutex????????Оу????Іу???????????C-c????????????mutex???чЂКф?????????????Ју????????чЂКф????Їу????Њу????Ѓу????Ју????Іу??
??????mutex???чЂКф???????Іу?????Thread???цЛу?Њу?Њу????Јш???????Њу????Ўу?Їу????????mutex??ЏшЇЃ??Оу???????Іу??
mutex.sleep??Ўц?Йу??mutex???????????????????????Ёу????Їу???????????яМ?

??Њу?Ўу?Їу??mutex??????????????Оу?Їх????Єу???????ЋфПЎцЃу???????Йщ???????Му??????????Јц???????Оу?????
??Єу?Оу?????1,2,3???????????Ўф????Їу??mutex???фП??????????ensure??Ћх?Ѕу??????????Ћу???????????

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Feature #7505: Mutex#owned? ??Ёу?Ну???????Ўц?АшЈ
https://bugs.ruby-lang.org/issues/7505#change-34366

Author: kosaki (Motohiro KOSAKI)
Status: Open
Priority: Normal
Assignee: 
Category: core
Target version: next minor


фЛЅф????Ўу???????Њу????у?Ау?Љу??????????Ѓу????Ју????Оу?????

Thread.async_interrupt_timing(Object => :on_blocking) {
  begin
??????mutex = Mutex.new
    mutex.synchronize {
       sleep 1
       condvar.wait mutex
  ???}
  ensure
    ??Њу?Ну?Му?ЙшЇЃ??Оу????????
  end
}

mutex.synchronize??ЎфИ???Ctrl-c?????Му???????Ју???????Ву??шОМу?Оу???????Нц?Їу?Ўу?????чЎ???????фИ???Жц??????????Оу??

1) sleep
2) mutex.sleep?????ЎфИ???native_sleepяМ?condvar.signal хО???Ёя??
3) mutex.sleep?????ЎфИ???rb_mutex_lock(condvar.signal??ЇшЕЗхК????????????????mutex?????Ѕу?Йу?Ќу????????фНПч?ЈфИ?????Ѓу????????mutexхО???Ёя??

?????Ўу?Ју?????яМ???Јя?????mutex????????Ѓу????Оу??ensure??Ћх?Ѕу????Оу????????яМ????mutex???????????????ensure??Ћх?Ѕу?Ѓу?Іу????Оу?????????????Ћц?Њу???????Ју?Ћя????Јя?????Ruby????????Џх???????Ёу?Ну??????????Ћу??????????????ruby??Ќу????Ћу?? workaround????????????????????Ју????Їу????Оу????????

??Њу?Ну?Му?Йу??цЃу????Ѓц?Оу????????цЎЕу???????Њу???????Ју???????Ўу?Џх????Їу???????Ўу?Їу??Mutex#owned? ??Ёу?Ну???????Ўц?АшЈ??????цЁ??????Оу??????????????Mutex#locked? ??Ју?Џч?Ау?Њу????Њх???????у????Џу???????Ѓу?Іу???????Ју????Ўу??true???шП??????Оу??

???????????ЅУшНЁІшК?

https://gist.github.com/4195632

фЛЅф??фН?шЋ????POSIX?????Ју??pthread_cond_wait??Џу?у?Ѓу?Гу?Лу?Ќу?Му?Зу?Їу?Гу????Єу?Гу????Їу?Џу?Њу??????????Њу?Ћу?????????????Ју??Mutex???lock???чЕ?????Ѓу?Іу???????Ђц?Ау??????????Іу??????Ўу?Їу????????????????Џу???????Оу????????????????Ћц??????????Ју???????????????????Ўу?Їу??????????????????????Јх?Ѕу?Йу?Ќу??????????у????Џу???????Ѓу????Оу?Оу?Їу????????Ctrl-C?????Йу????Њу???Њу????Ўу??akr????????ЎхЅН??Пу?Ћу?Џу??????Њу???????????




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