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From madrob <...@git.apache.org>
Subject [GitHub] curator pull request: CURATOR-157 Avoid stack traces on close
Date Thu, 30 Oct 2014 14:08:56 GMT
Github user madrob commented on a diff in the pull request:

    https://github.com/apache/curator/pull/51#discussion_r19606266
  
    --- Diff: curator-recipes/src/main/java/org/apache/curator/framework/recipes/cache/PathChildrenCache.java
---
    @@ -382,6 +383,11 @@ public void close() throws IOException
                 connectionStateListener = null;
                 childrenWatcher = null;
                 dataWatcher = null;
    +
    +            synchronized (backgroundTaskMonitor) {
    --- End diff --
    
    Can you explain why this works in a little bit more detail? My immediate intuition is
that the compiler/JIT would optimize an empty synchronized block out of the code.


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