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Thread: make the thread-local map on first use #65

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duncanmcqueen wants to merge 1 commit into from
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Thread: make the thread-local map on first use #65

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7 changes: 5 additions & 2 deletions java/lang/Thread.java
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Original file line number Diff line number Diff line change
Expand Up @@ -159,7 +159,7 @@ public class Thread implements Runnable
/** Thread local storage. Package accessible for use by
* InheritableThreadLocal.
*/
final ThreadLocalMap locals;
ThreadLocalMap locals;

/** The uncaught exception handler. */
UncaughtExceptionHandler exceptionHandler;
Expand Down Expand Up @@ -1073,7 +1073,10 @@ synchronized void die()
*/
static ThreadLocalMap getThreadLocals()
{
return currentThread().locals;
Thread t = currentThread();
if (t.locals == null)
t.locals = new ThreadLocalMap();
return t.locals;
}

/**
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