RFR: 8358577: Test serviceability/jvmti/thread/GetCurrentContendedMonitor/contmon01/contmon01.java failed: unexpexcted monitor object

Fri Jun 6 23:45:41 UTC 2025

The change fixes race in the test.
Tested thread is expected to have no contended monitor when main thread checks it, but System.out.println() can cause waiting on a monitor when concurrent printing is performed, so printing should not be performed after signalling main thread to continue.

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Commit messages:
 - fix

Changes: https://git.openjdk.org/jdk/pull/25683/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25683&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8358577
  Stats: 3 lines in 1 file changed: 1 ins; 1 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/25683.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25683/head:pull/25683

PR: https://git.openjdk.org/jdk/pull/25683