Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
openanolis
dragonwell8_jdk
提交
d9898853
D
dragonwell8_jdk
项目概览
openanolis
/
dragonwell8_jdk
通知
3
Star
2
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
0
列表
看板
标记
里程碑
合并请求
0
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
D
dragonwell8_jdk
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
0
Issue
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
提交
Issue看板
体验新版 GitCode,发现更多精彩内容 >>
提交
d9898853
编写于
3月 10, 2008
作者:
M
martin
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
6602600: Fast removal of cancelled scheduled thread pool tasks
Reviewed-by: alanb Contributed-by:
N
Doug Lea
<
dl@cs.oswego.edu
>
上级
37541d41
变更
3
展开全部
隐藏空白更改
内联
并排
Showing
3 changed file
with
683 addition
and
48 deletion
+683
-48
src/share/classes/java/util/concurrent/ScheduledThreadPoolExecutor.java
...ses/java/util/concurrent/ScheduledThreadPoolExecutor.java
+516
-48
test/java/util/concurrent/ScheduledThreadPoolExecutor/BasicCancelTest.java
...ncurrent/ScheduledThreadPoolExecutor/BasicCancelTest.java
+113
-0
test/java/util/concurrent/ScheduledThreadPoolExecutor/Stress.java
...a/util/concurrent/ScheduledThreadPoolExecutor/Stress.java
+54
-0
未找到文件。
src/share/classes/java/util/concurrent/ScheduledThreadPoolExecutor.java
浏览文件 @
d9898853
此差异已折叠。
点击以展开。
test/java/util/concurrent/ScheduledThreadPoolExecutor/BasicCancelTest.java
0 → 100644
浏览文件 @
d9898853
/*
* Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/*
* @test
* @bug 6602600
* @run main/othervm -Xmx8m BasicCancelTest
* @summary Check effectiveness of RemoveOnCancelPolicy
*/
import
java.util.concurrent.*
;
import
java.util.Random
;
/**
* Simple timer cancellation test. Submits tasks to a scheduled executor
* service and immediately cancels them.
*/
public
class
BasicCancelTest
{
void
checkShutdown
(
final
ExecutorService
es
)
{
final
Runnable
nop
=
new
Runnable
()
{
public
void
run
()
{}};
try
{
if
(
new
Random
().
nextBoolean
())
{
check
(
es
.
isShutdown
());
if
(
es
instanceof
ThreadPoolExecutor
)
check
(((
ThreadPoolExecutor
)
es
).
isTerminating
()
||
es
.
isTerminated
());
THROWS
(
RejectedExecutionException
.
class
,
new
F
(){
void
f
(){
es
.
execute
(
nop
);}});
}
}
catch
(
Throwable
t
)
{
unexpected
(
t
);
}
}
void
checkTerminated
(
final
ThreadPoolExecutor
tpe
)
{
try
{
checkShutdown
(
tpe
);
check
(
tpe
.
getQueue
().
isEmpty
());
check
(
tpe
.
isTerminated
());
check
(!
tpe
.
isTerminating
());
equal
(
tpe
.
getActiveCount
(),
0
);
equal
(
tpe
.
getPoolSize
(),
0
);
equal
(
tpe
.
getTaskCount
(),
tpe
.
getCompletedTaskCount
());
check
(
tpe
.
awaitTermination
(
0
,
TimeUnit
.
SECONDS
));
}
catch
(
Throwable
t
)
{
unexpected
(
t
);
}
}
void
test
(
String
[]
args
)
throws
Throwable
{
final
ScheduledThreadPoolExecutor
pool
=
new
ScheduledThreadPoolExecutor
(
1
);
// Needed to avoid OOME
pool
.
setRemoveOnCancelPolicy
(
true
);
final
long
moreThanYouCanChew
=
Runtime
.
getRuntime
().
freeMemory
()
/
4
;
System
.
out
.
printf
(
"moreThanYouCanChew=%d%n"
,
moreThanYouCanChew
);
Runnable
noopTask
=
new
Runnable
()
{
public
void
run
()
{}};
for
(
long
i
=
0
;
i
<
moreThanYouCanChew
;
i
++)
pool
.
schedule
(
noopTask
,
10
,
TimeUnit
.
MINUTES
).
cancel
(
true
);
pool
.
shutdown
();
check
(
pool
.
awaitTermination
(
1L
,
TimeUnit
.
DAYS
));
checkTerminated
(
pool
);
equal
(
pool
.
getTaskCount
(),
0L
);
equal
(
pool
.
getCompletedTaskCount
(),
0L
);
}
//--------------------- Infrastructure ---------------------------
volatile
int
passed
=
0
,
failed
=
0
;
void
pass
()
{
passed
++;}
void
fail
()
{
failed
++;
Thread
.
dumpStack
();}
void
fail
(
String
msg
)
{
System
.
err
.
println
(
msg
);
fail
();}
void
unexpected
(
Throwable
t
)
{
failed
++;
t
.
printStackTrace
();}
void
check
(
boolean
cond
)
{
if
(
cond
)
pass
();
else
fail
();}
void
equal
(
Object
x
,
Object
y
)
{
if
(
x
==
null
?
y
==
null
:
x
.
equals
(
y
))
pass
();
else
fail
(
x
+
" not equal to "
+
y
);}
public
static
void
main
(
String
[]
args
)
throws
Throwable
{
new
BasicCancelTest
().
instanceMain
(
args
);}
void
instanceMain
(
String
[]
args
)
throws
Throwable
{
try
{
test
(
args
);}
catch
(
Throwable
t
)
{
unexpected
(
t
);}
System
.
out
.
printf
(
"%nPassed = %d, failed = %d%n%n"
,
passed
,
failed
);
if
(
failed
>
0
)
throw
new
AssertionError
(
"Some tests failed"
);}
abstract
class
F
{
abstract
void
f
()
throws
Throwable
;}
void
THROWS
(
Class
<?
extends
Throwable
>
k
,
F
...
fs
)
{
for
(
F
f
:
fs
)
try
{
f
.
f
();
fail
(
"Expected "
+
k
.
getName
()
+
" not thrown"
);}
catch
(
Throwable
t
)
{
if
(
k
.
isAssignableFrom
(
t
.
getClass
()))
pass
();
else
unexpected
(
t
);}}
}
test/java/util/concurrent/ScheduledThreadPoolExecutor/Stress.java
0 → 100644
浏览文件 @
d9898853
/*
* Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
import
java.util.concurrent.*
;
/**
* This is not a regression test, but a stress benchmark test for
* 6602600: Fast removal of cancelled scheduled thread pool tasks
*
* This runs in the same wall clock time, but much reduced cpu time,
* with the changes for 6602600.
*/
public
class
Stress
{
public
static
void
main
(
String
[]
args
)
throws
Throwable
{
final
CountDownLatch
count
=
new
CountDownLatch
(
1000
);
final
ScheduledThreadPoolExecutor
pool
=
new
ScheduledThreadPoolExecutor
(
100
);
pool
.
prestartAllCoreThreads
();
final
Runnable
incTask
=
new
Runnable
()
{
public
void
run
()
{
count
.
countDown
();
}};
pool
.
scheduleAtFixedRate
(
incTask
,
0
,
10
,
TimeUnit
.
MILLISECONDS
);
count
.
await
();
pool
.
shutdown
();
pool
.
awaitTermination
(
1L
,
TimeUnit
.
DAYS
);
}
}
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录