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8148940: java/lang/ref/FinalizeOverride.java can time out due to frequent safepointing

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Reduce the freqency of triggering GCs by sleeping between GCs.

Reviewed-by: thartmann, shade
This commit is contained in:
Zoltan Majo 2016-02-29 07:58:45 +01:00
parent 7386fd0385
commit dc8f45fc7d
1 changed files with 14 additions and 1 deletions
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15
jdk/test/java/lang/ref/FinalizeOverride.java
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@ -29,7 +29,7 @@ import java.nio.file.Paths;
import java.util.concurrent.atomic.AtomicInteger;
/* @test
* @bug 8027351
* @bug 8027351 8148940
* @summary Basic test of the finalize method
*/
@ -63,6 +63,19 @@ public class FinalizeOverride {
while (finalizedCount.get() != (count+1)) {
System.gc();
System.runFinalization();
// Running System.gc() and System.runFinalization() in a
// tight loop can trigger frequent safepointing that slows
// down the VM and, as a result, the test. (With the
// HotSpot VM, the effect of frequent safepointing is
// especially noticeable if the test is run with the
// -Xcomp flag.) Sleeping for a second after every
// garbage collection and finalization cycle gives the VM
// time to make progress.
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
System.out.println("Main thread interrupted, continuing execution.");
}
}
if (privateFinalizeInvoked) {