stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

6903354: deadlock involving Component.show & SunToolkit.getImageFromHash

Browse Source 
Reviewed-by: art, bae
This commit is contained in:
Anton Tarasov 2009-12-04 15:07:15 +03:00
parent b0a13700e1
commit 7eb100548d
1 changed files with 21 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
jdk/src/share/classes/sun/awt/SunToolkit.java
View File

@ -800,9 +800,9 @@ public abstract class SunToolkit extends Toolkit
}
static SoftCache imgCache = new SoftCache();
static final SoftCache imgCache = new SoftCache();
static synchronized Image getImageFromHash(Toolkit tk, URL url) {
static Image getImageFromHash(Toolkit tk, URL url) {
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
try {
@ -830,32 +830,36 @@ public abstract class SunToolkit extends Toolkit
sm.checkConnect(url.getHost(), url.getPort());
}
}
Image img = (Image)imgCache.get(url);
if (img == null) {
try {
img = tk.createImage(new URLImageSource(url));
imgCache.put(url, img);
} catch (Exception e) {
synchronized (imgCache) {
Image img = (Image)imgCache.get(url);
if (img == null) {
try {
img = tk.createImage(new URLImageSource(url));
imgCache.put(url, img);
} catch (Exception e) {
}
}
return img;
}
return img;
}
static synchronized Image getImageFromHash(Toolkit tk,
static Image getImageFromHash(Toolkit tk,
String filename) {
SecurityManager security = System.getSecurityManager();
if (security != null) {
security.checkRead(filename);
}
Image img = (Image)imgCache.get(filename);
if (img == null) {
try {
img = tk.createImage(new FileImageSource(filename));
imgCache.put(filename, img);
} catch (Exception e) {
synchronized (imgCache) {
Image img = (Image)imgCache.get(filename);
if (img == null) {
try {
img = tk.createImage(new FileImageSource(filename));
imgCache.put(filename, img);
} catch (Exception e) {
}
}
return img;
}
return img;
}
public Image getImage(String filename) {