/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* 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
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*/
/* @test
* @bug 6403933
* @summary POLLHUP or POLLERR on "idle" key can cause Selector to spin
*/
public class CloseWhenKeyIdle {
// indicates if the wakeup has happened
static volatile boolean wakeupDone = false;
// Wakes up a Selector after a given delay
private long delay;
}
public void run() {
try {
wakeupDone = true;
} catch (Exception x) {
x.printStackTrace();
}
}
}
// Skip test on pre-2.6 kernels until the poll SelectorProvider
// is updated
return;
}
}
}
// establish loopback connection
// register channel for one end with a Selector, interest set = 0
sc1.configureBlocking(false);
// hard close to provoke POLLHUP
// schedule wakeup after a few seconds
t.setDaemon(true);
t.start();
// select should block
int spinCount = 0;
boolean failed = false;
for (;;) {
if (n > 0) {
failed = true;
break;
}
// wakeup
if (wakeupDone)
break;
// wakeup for no reason - if it happens a few times then we have a
// problem
spinCount++;
if (spinCount >= 3) {
failed = true;
break;
}
}
if (failed)
throw new RuntimeException("Test failed");
}
}