1 /*

     2  * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 package org.reactivestreams.tck.flow.support;

    25 

    26 

    27 /**

    28  * Copy of scala.control.util.NonFatal in order to not depend on scala-library

    29  */

    30 public class NonFatal {

    31   private NonFatal() {

    32     // no instances, please.

    33   }

    34 

    35   /**

    36    * Returns true if the provided `Throwable` is to be considered non-fatal, or false if it is to be considered fatal

    37    *

    38    * @param t throwable to be matched for fatal-ness

    39    * @return true if is a non-fatal throwable, false otherwise

    40    */

    41   public static boolean isNonFatal(Throwable t) {

    42     if (t instanceof StackOverflowError) {

    43       // StackOverflowError ok even though it is a VirtualMachineError

    44       return true;

    45     } else if (t instanceof VirtualMachineError ||

    46         t instanceof ThreadDeath ||

    47         t instanceof InterruptedException ||

    48         t instanceof LinkageError) {

    49       // VirtualMachineError includes OutOfMemoryError and other fatal errors

    50       return false;

    51     } else {

    52       return true;

    53     }

    54   }

    55 }