boolean isInterruptibleLockRequest() {
    // this method is called by grantor for local lock requests in grantor vm
    final ThreadRequestState requestState = threadRequestState.get();
    if (requestState == null) {
      return false;
    }
    return requestState.interruptible;
  }
Returns true if the calling thread has an active lock request that is interruptible
geode-core/src/main/java/org/apache/geode/distributed/internal/locks/DLockService.java