author | alanb |
Fri, 14 Sep 2018 16:56:09 +0100 | |
changeset 51745 | 90c1dcdebc64 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
40739
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
1 |
/* |
43222
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
2 |
* Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
4 |
* |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
7 |
* published by the Free Software Foundation. |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
8 |
* |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
13 |
* accompanied this code). |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
14 |
* |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
15 |
* You should have received a copy of the GNU General Public License version |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
18 |
* |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
21 |
* questions. |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
22 |
*/ |
40739
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
23 |
|
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
24 |
/* |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
25 |
* @test |
43222
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
26 |
* @bug 8165000 8172547 |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
27 |
* @summary Verify no IOException on OS X for large timeout value in select() |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
28 |
* and that timeout does not occur too early on Windows. |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
29 |
* @requires (os.family == "mac" | os.family == "windows") |
40739
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
30 |
*/ |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
31 |
import java.io.IOException; |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
32 |
import java.nio.channels.Selector; |
43705
e34cf4c6b854
8173387: java/nio/channels/Selector/SelectTimeout.java failed with "Test timed out early with timeout 100000000999"
bpb
parents:
43222
diff
changeset
|
33 |
import java.util.concurrent.atomic.AtomicBoolean; |
e34cf4c6b854
8173387: java/nio/channels/Selector/SelectTimeout.java failed with "Test timed out early with timeout 100000000999"
bpb
parents:
43222
diff
changeset
|
34 |
import java.util.concurrent.atomic.AtomicReference; |
40739
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
35 |
|
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
36 |
public class SelectTimeout { |
43222
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
37 |
private static final long BIG_TIMEOUT = 100_000_001_000L; // 8165000 |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
38 |
private static final long BIGGER_TIMEOUT = 850_000_000_000_000L; // 8172547 |
43705
e34cf4c6b854
8173387: java/nio/channels/Selector/SelectTimeout.java failed with "Test timed out early with timeout 100000000999"
bpb
parents:
43222
diff
changeset
|
39 |
private static final long SLEEP_MILLIS = 10_000; |
40739
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
40 |
|
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
41 |
public static void main(String[] args) |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
42 |
throws IOException, InterruptedException { |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
43 |
int failures = 0; |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
44 |
long[] timeouts = |
43222
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
45 |
new long[] {1, BIG_TIMEOUT/2, BIG_TIMEOUT - 1, BIG_TIMEOUT, |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
46 |
BIGGER_TIMEOUT}; |
40739
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
47 |
for (long t : timeouts) { |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
48 |
if (!test(t)) { |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
49 |
failures++; |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
50 |
} |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
51 |
} |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
52 |
if (failures > 0) { |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
53 |
throw new RuntimeException("Test failed!"); |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
54 |
} else { |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
55 |
System.out.println("Test succeeded"); |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
56 |
} |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
57 |
} |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
58 |
|
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
59 |
private static boolean test(final long timeout) |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
60 |
throws InterruptedException, IOException { |
43705
e34cf4c6b854
8173387: java/nio/channels/Selector/SelectTimeout.java failed with "Test timed out early with timeout 100000000999"
bpb
parents:
43222
diff
changeset
|
61 |
AtomicReference<Exception> theException = |
e34cf4c6b854
8173387: java/nio/channels/Selector/SelectTimeout.java failed with "Test timed out early with timeout 100000000999"
bpb
parents:
43222
diff
changeset
|
62 |
new AtomicReference<>(); |
e34cf4c6b854
8173387: java/nio/channels/Selector/SelectTimeout.java failed with "Test timed out early with timeout 100000000999"
bpb
parents:
43222
diff
changeset
|
63 |
AtomicBoolean isTimedOut = new AtomicBoolean(); |
40739
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
64 |
|
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
65 |
Selector selector = Selector.open(); |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
66 |
|
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
67 |
Thread t = new Thread(() -> { |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
68 |
try { |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
69 |
selector.select(timeout); |
43705
e34cf4c6b854
8173387: java/nio/channels/Selector/SelectTimeout.java failed with "Test timed out early with timeout 100000000999"
bpb
parents:
43222
diff
changeset
|
70 |
isTimedOut.set(true); |
40739
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
71 |
} catch (IOException ioe) { |
43705
e34cf4c6b854
8173387: java/nio/channels/Selector/SelectTimeout.java failed with "Test timed out early with timeout 100000000999"
bpb
parents:
43222
diff
changeset
|
72 |
theException.set(ioe); |
40739
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
73 |
} |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
74 |
}); |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
75 |
t.start(); |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
76 |
|
43222
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
77 |
t.join(SLEEP_MILLIS); |
40739
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
78 |
|
43222
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
79 |
boolean result; |
43705
e34cf4c6b854
8173387: java/nio/channels/Selector/SelectTimeout.java failed with "Test timed out early with timeout 100000000999"
bpb
parents:
43222
diff
changeset
|
80 |
if (theException.get() == null) { |
e34cf4c6b854
8173387: java/nio/channels/Selector/SelectTimeout.java failed with "Test timed out early with timeout 100000000999"
bpb
parents:
43222
diff
changeset
|
81 |
if (timeout > SLEEP_MILLIS && isTimedOut.get()) { |
43222
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
82 |
System.err.printf("Test timed out early with timeout %d%n", |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
83 |
timeout); |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
84 |
result = false; |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
85 |
} else { |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
86 |
System.out.printf("Test succeeded with timeout %d%n", timeout); |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
87 |
result = true; |
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
88 |
} |
40739
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
89 |
} else { |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
90 |
System.err.printf("Test failed with timeout %d%n", timeout); |
43705
e34cf4c6b854
8173387: java/nio/channels/Selector/SelectTimeout.java failed with "Test timed out early with timeout 100000000999"
bpb
parents:
43222
diff
changeset
|
91 |
theException.get().printStackTrace(); |
43222
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
92 |
result = false; |
40739
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
93 |
} |
43222
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
94 |
|
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
95 |
t.interrupt(); |
43705
e34cf4c6b854
8173387: java/nio/channels/Selector/SelectTimeout.java failed with "Test timed out early with timeout 100000000999"
bpb
parents:
43222
diff
changeset
|
96 |
selector.close(); |
43222
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
97 |
|
9664871bbd35
8172547: (se) Selector.select(Long.MAX_VALUE) fires repeatedly
bpb
parents:
40739
diff
changeset
|
98 |
return result; |
40739
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
99 |
} |
bdff9be6c98f
8165000: Selector.select(timeout) throws IOException when timeout is a large long
bpb
parents:
diff
changeset
|
100 |
} |