infer_clone/infer/tests/codetoanalyze/java/starvation/Parameters.java

/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

class Parameters {
  private static void syncOnParam(Object x) {
    synchronized (x) {
    }
  }

  // Next two methods will deadlock
  public synchronized void oneWaySyncOnParamBad(Object x) {
    syncOnParam(x);
  }

  public void otherWaySyncOnParamBad(Object x) {
    synchronized (x) {
      synchronized (this) {
      }
    }
  }

  private static void emulateSynchronized(Parameters self) {
    synchronized (self) {
    }
  }

  Parameters someObject;

  // Next two methods will deadlock
  public synchronized void FN_oneWayEmulateSyncBad() {
    emulateSynchronized(someObject);
  }

  public void FN_anotherWayEmulateSyncBad() {
    synchronized (someObject) {
      synchronized (this) {
      }
    }
  }
}