-
Notifications
You must be signed in to change notification settings - Fork 5.7k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
8287580: (se) CancelledKeyException during channel registration
Reviewed-by: alanb
- Loading branch information
Brian Burkhalter
committed
Jun 23, 2022
1 parent
b8db0c3
commit 72f286a
Showing
2 changed files
with
70 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
68 changes: 68 additions & 0 deletions
68
test/jdk/java/nio/channels/Selector/CancelDuringRegister.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,68 @@ | ||
/* | ||
* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved. | ||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
* | ||
* This code is free software; you can redistribute it and/or modify it | ||
* under the terms of the GNU General Public License version 2 only, as | ||
* published by the Free Software Foundation. | ||
* | ||
* This code is distributed in the hope that it will be useful, but WITHOUT | ||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
* version 2 for more details (a copy is included in the LICENSE file that | ||
* accompanied this code). | ||
* | ||
* You should have received a copy of the GNU General Public License version | ||
* 2 along with this work; if not, write to the Free Software Foundation, | ||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
* | ||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
* or visit www.oracle.com if you need additional information or have any | ||
* questions. | ||
*/ | ||
|
||
/* @test | ||
* @bug 8287580 | ||
* @summary Check CancelledKeyException not thrown during channel registration | ||
* @run main CancelDuringRegister | ||
*/ | ||
|
||
import java.nio.channels.*; | ||
|
||
public class CancelDuringRegister { | ||
|
||
private static volatile boolean done; | ||
|
||
public static void main(String[] args) throws Exception { | ||
try (Selector sel = Selector.open()) { | ||
|
||
// create thread to cancel all keys in the selector's key set | ||
var thread = new Thread(() -> { | ||
while (!done) { | ||
sel.keys().forEach(SelectionKey::cancel); | ||
} | ||
}); | ||
thread.start(); | ||
|
||
try (SocketChannel sc = SocketChannel.open()) { | ||
sc.configureBlocking(false); | ||
|
||
for (int i = 0; i <100_000; i++) { | ||
// register | ||
var key = sc.register(sel, SelectionKey.OP_READ); | ||
sel.selectNow(); | ||
|
||
// cancel and flush | ||
key.cancel(); | ||
do { | ||
sel.selectNow(); | ||
} while (sel.keys().contains(key)); | ||
} | ||
} finally { | ||
done = true; | ||
} | ||
|
||
thread.join(); | ||
} | ||
} | ||
} |
72f286a
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Review
Issues