test/jdk/java/nio/channels/Selector/StackOverflowTest.java
changeset 58999 6bc29ebe053e
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58998:9e2f184eac99 58999:6bc29ebe053e
       
     1 /*
       
     2  * Copyright (c) 2019, Red Hat, Inc. and/or its affiliates.
       
     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 /**
       
    25  * @test
       
    26  * @bug 8216472
       
    27  * @summary native call in WindowsSelectorImpl.SubSelector.poll can use
       
    28  *     more stack space than available in a shadow zone, this can cause
       
    29  *     a crash if selector is called from a deep recursive java call
       
    30  * @requires (os.family == "windows")
       
    31  */
       
    32 
       
    33 import java.nio.channels.Selector;
       
    34 
       
    35 public class StackOverflowTest {
       
    36 
       
    37     public static void main(String[] args) throws Exception {
       
    38         try (var sel = Selector.open()) {
       
    39             recursiveSelect(sel);
       
    40         } catch (StackOverflowError e) {
       
    41             // ignore SOE from java calls
       
    42         }
       
    43     }
       
    44 
       
    45     static void recursiveSelect(Selector sel) throws Exception {
       
    46         sel.selectNow();
       
    47         recursiveSelect(sel);
       
    48     }
       
    49 }