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Code Issues Wiki Activity

Fix for [Bug 193503] Write access exception when saving project with ICDescriptor

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This commit is contained in:
Mikhail Sennikovsky 2007-07-05 17:30:14 +00:00
parent 7b03a50463
commit 63d156caf3
4 changed files with 130 additions and 39 deletions
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63
core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/core/cdescriptor/tests/CDescriptorTests.java
View file

@ -12,6 +12,8 @@
package org.eclipse.cdt.core.cdescriptor.tests;
import java.util.Iterator;
import junit.extensions.TestSetup;
import junit.framework.Assert;
import junit.framework.Test;
@ -23,9 +25,12 @@ import org.eclipse.cdt.core.CDescriptorEvent;
import org.eclipse.cdt.core.CProjectNature;
import org.eclipse.cdt.core.ICDescriptor;
import org.eclipse.cdt.core.ICDescriptorListener;
import org.eclipse.cdt.core.ICDescriptorOperation;
import org.eclipse.cdt.core.ICExtensionReference;
import org.eclipse.cdt.core.ICOwnerInfo;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.testplugin.CTestPlugin;
import org.eclipse.cdt.internal.core.pdom.PDOMManager;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IResource;
@ -70,6 +75,7 @@ public class CDescriptorTests extends TestCase {
suite.addTest(new CDescriptorTests("testProjectDataCreate"));
suite.addTest(new CDescriptorTests("testProjectDataDelete"));
suite.addTest(new CDescriptorTests("testConcurrentDescriptorCreation"));
suite.addTest(new CDescriptorTests("testConcurrentDescriptorCreation2"));
TestSetup wrapper = new TestSetup(suite) {
@ -170,6 +176,63 @@ public class CDescriptorTests extends TestCase {
fLastEvent = null;
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=185930
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=193503
public void testConcurrentDescriptorCreation2() throws Exception {
for (int i=0; i<100; ++i) {
PDOMManager pdomMgr= (PDOMManager)CCorePlugin.getIndexManager();
pdomMgr.shutdown();
fProject.close(null);
fProject.open(null);
pdomMgr.startup().schedule();
ICDescriptor desc= CCorePlugin.getDefault().getCProjectDescription(fProject, true);
NodeList childNodes= desc.getProjectData("testElement").getChildNodes();
int lengthBefore= childNodes.getLength();
final Throwable[] exception= new Throwable[10];
Thread[] threads= new Thread[10];
for (int j = 0; j < 10; j++) {
final int index= j;
Thread t= new Thread() {
public void run() {
try {
ICDescriptorOperation operation= new ICDescriptorOperation() {
public void execute(ICDescriptor descriptor, IProgressMonitor monitor) throws CoreException {
assertFalse(descriptor.getConfigurationDescription().isReadOnly());
try {
Thread.sleep(10);
} catch (InterruptedException exc) {
}
Element data = descriptor.getProjectData("testElement");
data.appendChild(data.getOwnerDocument().createElement("test"));
assertFalse(descriptor.getConfigurationDescription().isReadOnly());
descriptor.saveProjectData();
}};
CCorePlugin.getDefault().getCDescriptorManager().runDescriptorOperation(fProject, operation, null);
} catch (Throwable exc) {
exception[index]= exc;
exc.printStackTrace();
}
}
};
t.start();
threads[j] = t;
Thread.sleep(10);
}
for (int j = 0; j < threads.length; j++) {
if (threads[j] != null) {
threads[j].join();
}
assertNull(exception[j]);
}
desc= CCorePlugin.getDefault().getCProjectDescription(fProject, true);
childNodes= desc.getProjectData("testElement").getChildNodes();
int lengthAfter= childNodes.getLength();
assertEquals(threads.length, lengthAfter - lengthBefore);
fLastEvent = null;
}
}
public void testDescriptorOwner() throws Exception {
ICDescriptor desc = CCorePlugin.getDefault().getCProjectDescription(fProject, true);
ICOwnerInfo owner = desc.getProjectOwner();

2
core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/settings/model/AbstractCExtensionProxy.java
View file

@ -48,7 +48,7 @@ public abstract class AbstractCExtensionProxy implements ICProjectDescriptionLis
private ICExtensionReference getRef(ICConfigurationDescription cfg, boolean update){
if(fExtPointId != null){
try {
CConfigBasedDescriptor dr = new CConfigBasedDescriptor(cfg);
CConfigBasedDescriptor dr = new CConfigBasedDescriptor(cfg, false);
ICExtensionReference[] cextensions = dr.get(fExtPointId, update);
if (cextensions.length > 0) {
return cextensions[0];

20
core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/CConfigBasedDescriptor.java
View file

@ -24,6 +24,7 @@ import org.eclipse.cdt.core.settings.model.ICConfigurationDescription;
import org.eclipse.cdt.core.settings.model.ICProjectDescription;
import org.eclipse.cdt.core.settings.model.util.CDataUtil;
import org.eclipse.cdt.core.settings.model.util.CExtensionUtil;
import org.eclipse.cdt.internal.core.settings.model.CConfigurationDescriptionCache;
import org.eclipse.cdt.internal.core.settings.model.CConfigurationSpecSettings;
import org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager;
import org.eclipse.cdt.internal.core.settings.model.IInternalCCfgInfo;
@ -94,7 +95,11 @@ public class CConfigBasedDescriptor implements ICDescriptor {
}
public CConfigBasedDescriptor(ICConfigurationDescription des) throws CoreException{
updateConfiguration(des);
this(des, true);
}
public CConfigBasedDescriptor(ICConfigurationDescription des, boolean write) throws CoreException{
updateConfiguration(des, write);
}
public void setApplyOnChange(boolean apply){
@ -119,6 +124,7 @@ public class CConfigBasedDescriptor implements ICDescriptor {
}
private void checkApply() throws CoreException {
synchronized (CProjectDescriptionManager.getInstance()){
if(fApplyOnChange){
apply(false);
fIsDirty = false;
@ -126,6 +132,7 @@ public class CConfigBasedDescriptor implements ICDescriptor {
fIsDirty = true;
}
}
}
public ICExtensionReference create(String extensionPoint, String id)
throws CoreException {
@ -155,6 +162,13 @@ public class CConfigBasedDescriptor implements ICDescriptor {
}
public void updateConfiguration(ICConfigurationDescription des) throws CoreException{
updateConfiguration(des, true);
}
public void updateConfiguration(ICConfigurationDescription des, boolean write) throws CoreException{
if(write && des instanceof CConfigurationDescriptionCache)
throw new IllegalArgumentException();
fCfgDes = des;
fProject = fCfgDes.getProjectDescription().getProject();
CConfigurationSpecSettings settings = ((IInternalCCfgInfo)fCfgDes).getSpecSettings();
@ -248,6 +262,7 @@ public class CConfigBasedDescriptor implements ICDescriptor {
}
public Element getProjectData(String id) throws CoreException {
synchronized(CProjectDescriptionManager.getInstance()){
Element el = (Element)fStorageDataElMap.get(id);
if(el == null){
InternalXmlStorageElement storageEl = (InternalXmlStorageElement)fCfgDes.getStorage(id, true);
@ -256,6 +271,7 @@ public class CConfigBasedDescriptor implements ICDescriptor {
}
return el;
}
}
public ICOwnerInfo getProjectOwner() {
return fOwner;
@ -307,11 +323,13 @@ public class CConfigBasedDescriptor implements ICDescriptor {
}
public void saveProjectData() throws CoreException {
synchronized (CProjectDescriptionManager.getInstance()) {
if(CProjectDescriptionManager.getInstance().getDescriptorManager().reconsile(this, fCfgDes.getProjectDescription()))
fIsDirty = true;
checkApply();
}
}
public Map getStorageDataElMap(){
return (HashMap)fStorageDataElMap.clone();

40
core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/CConfigBasedDescriptorManager.java
View file

@ -7,6 +7,7 @@
*
* Contributors:
* Intel Corporation - Initial API and implementation
* Anton Leherbauer (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core;
@ -30,7 +31,7 @@ import org.eclipse.cdt.core.settings.model.ICProjectDescription;
import org.eclipse.cdt.core.settings.model.ICProjectDescriptionListener;
import org.eclipse.cdt.core.settings.model.ICSettingObject;
import org.eclipse.cdt.core.settings.model.extension.CConfigurationData;
import org.eclipse.cdt.internal.core.settings.model.CConfigurationDescription;
import org.eclipse.cdt.internal.core.settings.model.CConfigurationDescriptionCache;
import org.eclipse.cdt.internal.core.settings.model.CConfigurationSpecSettings;
import org.eclipse.cdt.internal.core.settings.model.CProjectDescription;
import org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager;
@ -49,6 +50,7 @@ import org.eclipse.core.runtime.ISafeRunnable;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.QualifiedName;
import org.eclipse.core.runtime.SafeRunner;
import org.eclipse.core.runtime.Status;
import org.w3c.dom.Element;
@ -106,16 +108,16 @@ public class CConfigBasedDescriptorManager implements ICDescriptorManager {
public void configure(IProject project, String id) throws CoreException {
CConfigBasedDescriptor dr;
if (id.equals(NULLCOwner.getOwnerID())) { //$NON-NLS-1$
if (id.equals(NULLCOwner.getOwnerID())) {
IStatus status = new Status(IStatus.ERROR, CCorePlugin.PLUGIN_ID, -1,
CCorePlugin.getResourceString("CDescriptorManager.exception.invalid_ownerID"), //$NON-NLS-1$
(Throwable)null);
throw new CoreException(status);
}
synchronized (this) {
synchronized (CProjectDescriptionManager.getInstance()) {
dr = findDescriptor(project, false);
if (dr != null) {
if (dr.getProjectOwner().getID().equals(NULLCOwner.getOwnerID())) { //$NON-NLS-1$
if (dr.getProjectOwner().getID().equals(NULLCOwner.getOwnerID())) {
// non owned descriptors are simply configure to the new owner no questions ask!
dr = updateDescriptor(project, dr, id);
dr.apply(true);
@ -176,15 +178,15 @@ public class CConfigBasedDescriptorManager implements ICDescriptorManager {
// throw ExceptionFactory.createCoreException("the projecty does not contain valid configurations");
// }
synchronized(CProjectDescriptionManager.getInstance()){
dr = updateDescriptor(project, dr, id);
dr.apply(true);
}
}
public ICDescriptor getDescriptor(IProject project) throws CoreException {
synchronized (CProjectDescriptionManager.getInstance()) {
return getDescriptor(project, true);
}
}
public ICDescriptor getDescriptor(IProject project, boolean create)
throws CoreException {
@ -209,7 +211,7 @@ public class CConfigBasedDescriptorManager implements ICDescriptorManager {
throw new CoreException(new Status(IStatus.ERROR, CCorePlugin.PLUGIN_ID, -1, "Failed to create descriptor", null)); //$NON-NLS-1$
}
synchronized (dr) {
synchronized (CProjectDescriptionManager.getInstance()) {
boolean initialApplyOnChange = dr.isApplyOnChange();
dr.setApplyOnChange(false);
try {
@ -217,10 +219,10 @@ public class CConfigBasedDescriptorManager implements ICDescriptorManager {
} finally {
dr.setApplyOnChange(initialApplyOnChange);
}
}
dr.apply(false);
}
}
public void runDescriptorOperation(IProject project,
ICProjectDescription des,
@ -236,6 +238,7 @@ public class CConfigBasedDescriptorManager implements ICDescriptorManager {
throw new CoreException(new Status(IStatus.ERROR, CCorePlugin.PLUGIN_ID, -1, CCorePlugin.getResourceString("CConfigBasedDescriptorManager.2"), null)); //$NON-NLS-1$
}
//create a new descriptor
dr = loadDescriptor((CProjectDescription)des);
if (dr == null) {
@ -244,7 +247,7 @@ public class CConfigBasedDescriptorManager implements ICDescriptorManager {
setOperatingDescriptor(project, dr);
synchronized (dr) {
// synchronized (CProjectDescriptionManager.getInstance()) {
dr.setApplyOnChange(false);
try {
op.execute(dr, monitor);
@ -252,7 +255,7 @@ public class CConfigBasedDescriptorManager implements ICDescriptorManager {
} finally {
clearOperatingDescriptor(project);
}
}
// }
}
private CConfigBasedDescriptor getLoaddedDescriptor(ICProjectDescription des){
@ -293,7 +296,7 @@ public class CConfigBasedDescriptorManager implements ICDescriptorManager {
dr = getLoaddedDescriptor(des);
if(dr == null){
dr = loadDescriptor((CProjectDescription)des);
dr = loadDescriptor(des);
if(dr != null){
setLoaddedDescriptor(des, dr);
}
@ -311,6 +314,9 @@ public class CConfigBasedDescriptorManager implements ICDescriptorManager {
return des;
}
/*
* creates a new descriptor
*/
private CConfigBasedDescriptor loadDescriptor(CProjectDescription des) throws CoreException{
CConfigBasedDescriptor dr = null;
@ -319,6 +325,10 @@ public class CConfigBasedDescriptorManager implements ICDescriptorManager {
des = (CProjectDescription)CProjectDescriptionManager.getInstance().getProjectDescription(des.getProject(), true);
ICConfigurationDescription cfgDes = des.getDefaultSettingConfiguration();
if(cfgDes instanceof CConfigurationDescriptionCache){
des = (CProjectDescription)CProjectDescriptionManager.getInstance().getProjectDescription(des.getProject(), true);
cfgDes = des.getDefaultSettingConfiguration();
}
if(cfgDes != null){
@ -335,7 +345,7 @@ public class CConfigBasedDescriptorManager implements ICDescriptorManager {
}
public COwnerConfiguration getOwnerConfiguration(String id) {
if (id.equals(NULLCOwner.getOwnerID())) { //$NON-NLS-1$
if (id.equals(NULLCOwner.getOwnerID())) {
return NULLCOwner;
}
if (fOwnerConfigMap == null) {
@ -395,7 +405,7 @@ public class CConfigBasedDescriptorManager implements ICDescriptorManager {
if(des != null){
ICConfigurationDescription cfgDescription = des.getDefaultSettingConfiguration();
if(cfgDescription != null){
dr.updateConfiguration((CConfigurationDescription)cfgDescription);
dr.updateConfiguration(cfgDescription);
dr.setDirty(false);
} else {
setLoaddedDescriptor(des, null);
@ -470,7 +480,7 @@ public class CConfigBasedDescriptorManager implements ICDescriptorManager {
if(updatedCfg != null && dr != null){
CProjectDescription writableDes = (CProjectDescription)CProjectDescriptionManager.getInstance().getProjectDescription(event.getProject(), true);
ICConfigurationDescription indexCfg = writableDes.getDefaultSettingConfiguration();
dr.updateConfiguration((CConfigurationDescription)indexCfg);
dr.updateConfiguration(indexCfg);
dr.setDirty(false);
}
if(desEvent != null){
@ -511,7 +521,7 @@ public class CConfigBasedDescriptorManager implements ICDescriptorManager {
}
for (int i = 0; i < listeners.length; i++) {
final int index = i;
Platform.run(new ISafeRunnable() {
SafeRunner.run(new ISafeRunnable() {
public void handleException(Throwable exception) {
IStatus status = new Status(IStatus.ERROR, CCorePlugin.PLUGIN_ID, -1,