[GitHub] [tomcat] KangZhiDong commented on issue #279: Optimize concurrency

[GitBox <gi...@apache.org>]

KangZhiDong commented on issue #279:
URL: https://github.com/apache/tomcat/pull/279#issuecomment-617483507


   > What is the basis for this change?
   > While the thread is in `wait()`, `notify()` should only be called if one of the conditions in the surrounding `if(...)` is no longer true. I'd expect the change in this PR to make performance marginally worse, not better.
   
   When this thread is notify , it do not check "(sendfileRunning && sendfileCount < 1 && addS.size() < 1)" ,but "while" check again,avoid other thread  may change it


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