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d36abb1c
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dragonwell8_jdk
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体验新版 GitCode,发现更多精彩内容 >>
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d36abb1c
编写于
1月 20, 2011
作者:
D
dcherepanov
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电子邮件补丁
差异文件
7011446: ./windows/classes/sun/awt/windows/WToolkit.java needs to avoid spurious wakeup
Reviewed-by: anthony
上级
7a713d60
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
46 addition
and
41 deletion
+46
-41
src/windows/classes/sun/awt/windows/WToolkit.java
src/windows/classes/sun/awt/windows/WToolkit.java
+46
-41
未找到文件。
src/windows/classes/sun/awt/windows/WToolkit.java
浏览文件 @
d36abb1c
...
...
@@ -228,31 +228,29 @@ public class WToolkit extends SunToolkit implements Runnable {
sun
.
java2d
.
Disposer
.
addRecord
(
anchor
,
new
ToolkitDisposer
());
synchronized
(
this
)
{
// Fix for bug #4046430 -- Race condition
// where notifyAll can be called before
// the "AWT-Windows" thread's parent thread is
// waiting, resulting in a deadlock on startup.
/*
* Fix for 4701990.
* AWTAutoShutdown state must be changed before the toolkit thread
* starts to avoid race condition.
*/
AWTAutoShutdown
.
notifyToolkitThreadBusy
();
if
(!
startToolkitThread
(
this
))
{
Thread
toolkitThread
=
new
Thread
(
this
,
"AWT-Windows"
);
toolkitThread
.
setDaemon
(
true
);
toolkitThread
.
start
();
}
/*
* Fix for 4701990.
* AWTAutoShutdown state must be changed before the toolkit thread
* starts to avoid race condition.
*/
AWTAutoShutdown
.
notifyToolkitThreadBusy
();
if
(!
startToolkitThread
(
this
))
{
Thread
toolkitThread
=
new
Thread
(
this
,
"AWT-Windows"
);
toolkitThread
.
setDaemon
(
true
);
toolkitThread
.
start
();
}
try
{
wait
();
}
catch
(
InterruptedException
x
)
{
try
{
synchronized
(
this
)
{
while
(!
inited
)
{
wait
();
}
}
}
catch
(
InterruptedException
x
)
{
// swallow the exception
}
SunToolkit
.
setDataTransfererClassName
(
DATA_TRANSFERER_CLASS_NAME
);
// Enabled "live resizing" by default. It remains controlled
...
...
@@ -265,33 +263,38 @@ public class WToolkit extends SunToolkit implements Runnable {
setExtraMouseButtonsEnabledNative
(
areExtraMouseButtonsEnabled
);
}
private
final
void
registerShutdownHook
()
{
AccessController
.
doPrivileged
(
new
PrivilegedAction
()
{
public
Object
run
()
{
ThreadGroup
currentTG
=
Thread
.
currentThread
().
getThreadGroup
();
ThreadGroup
parentTG
=
currentTG
.
getParent
();
while
(
parentTG
!=
null
)
{
currentTG
=
parentTG
;
parentTG
=
currentTG
.
getParent
();
}
Thread
shutdown
=
new
Thread
(
currentTG
,
new
Runnable
()
{
public
void
run
()
{
shutdown
();
}
});
shutdown
.
setContextClassLoader
(
null
);
Runtime
.
getRuntime
().
addShutdownHook
(
shutdown
);
return
null
;
}
});
}
public
void
run
()
{
Thread
.
currentThread
().
setPriority
(
Thread
.
NORM_PRIORITY
+
1
);
boolean
startPump
=
init
();
if
(
startPump
)
{
AccessController
.
doPrivileged
(
new
PrivilegedAction
()
{
public
Object
run
()
{
ThreadGroup
currentTG
=
Thread
.
currentThread
().
getThreadGroup
();
ThreadGroup
parentTG
=
currentTG
.
getParent
();
while
(
parentTG
!=
null
)
{
currentTG
=
parentTG
;
parentTG
=
currentTG
.
getParent
();
}
Thread
shutdown
=
new
Thread
(
currentTG
,
new
Runnable
()
{
public
void
run
()
{
shutdown
();
}
});
shutdown
.
setContextClassLoader
(
null
);
Runtime
.
getRuntime
().
addShutdownHook
(
shutdown
);
return
null
;
}
});
registerShutdownHook
();
}
synchronized
(
this
)
{
inited
=
true
;
notifyAll
();
}
...
...
@@ -309,6 +312,8 @@ public class WToolkit extends SunToolkit implements Runnable {
* eventLoop() should Dispose the toolkit and exit.
*/
private
native
boolean
init
();
private
boolean
inited
=
false
;
private
native
void
eventLoop
();
private
native
void
shutdown
();
...
...
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