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Code Issues Wiki Activity

bug 290631: Removed refresh to avoid possible deadlock

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This commit is contained in:
Andrew Gvozdev 2012-02-05 07:48:42 -05:00
parent 22e696677f
commit ca49362273
2 changed files with 63 additions and 65 deletions
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117
core/org.eclipse.cdt.core.tests/model/org/eclipse/cdt/core/language/settings/providers/LanguageSettingsPersistenceProjectTests.java
View file

@ -31,6 +31,7 @@ import org.eclipse.cdt.internal.core.language.settings.providers.LanguageSetting
import org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IPath;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
@ -1031,8 +1032,8 @@ public class LanguageSettingsPersistenceProjectTests extends BaseTestCase {
*/
public void testProjectPersistence_RealProject() throws Exception {
IProject project = ResourceHelper.createCDTProjectWithConfig(this.getName());
String xmlStorageFileLocation;
String xmlOutOfTheWay;
IFile xmlStorageFilePrj = project.getFile(LANGUAGE_SETTINGS_PROJECT_XML);
String xmlPrjOutOfTheWay;
List<ICLanguageSettingEntry> entries = new ArrayList<ICLanguageSettingEntry>();
entries.add(new CIncludePathEntry("path0", 0));
@ -1059,9 +1060,7 @@ public class LanguageSettingsPersistenceProjectTests extends BaseTestCase {
// write to project description
CProjectDescriptionManager.getInstance().setProjectDescription(project, prjDescriptionWritable);
IFile xmlStorageFile = project.getFile(LANGUAGE_SETTINGS_PROJECT_XML);
assertTrue(xmlStorageFile.exists());
xmlStorageFileLocation = xmlStorageFile.getLocation().toOSString();
assertTrue(xmlStorageFilePrj.exists());
}
{
ICConfigurationDescription cfgDescription = getFirstConfigurationDescription(project);
@ -1081,17 +1080,18 @@ public class LanguageSettingsPersistenceProjectTests extends BaseTestCase {
}
{
// Move storage out of the way
String xmlStorageFileLocation = xmlStorageFilePrj.getLocation().toOSString();
java.io.File xmlFile = new java.io.File(xmlStorageFileLocation);
xmlOutOfTheWay = xmlStorageFileLocation+".out-of-the-way";
java.io.File xmlFileOut = new java.io.File(xmlOutOfTheWay);
xmlPrjOutOfTheWay = xmlStorageFileLocation+".out-of-the-way";
java.io.File xmlFileOut = new java.io.File(xmlPrjOutOfTheWay);
xmlFile.renameTo(xmlFileOut);
assertFalse(xmlFile.exists());
assertTrue(xmlFileOut.exists());
}
{
// Should not pollute workspace area with file with no meaningful data
String xmlWspStorageFileLocation = getStoreLocationInWorkspaceArea(project.getName()+'.'+LANGUAGE_SETTINGS_WORKSPACE_XML);
java.io.File xmlStorageFileWsp = new java.io.File(xmlWspStorageFileLocation);
String xmlStorageFileWspLocation = getStoreLocationInWorkspaceArea(project.getName()+'.'+LANGUAGE_SETTINGS_WORKSPACE_XML);
java.io.File xmlStorageFileWsp = new java.io.File(xmlStorageFileWspLocation);
assertFalse(xmlStorageFileWsp.exists());
}
@ -1125,25 +1125,30 @@ public class LanguageSettingsPersistenceProjectTests extends BaseTestCase {
{
// open to double-check the data is not kept in some other kind of cache
project.open(null);
// check that list of providers is empty
ICConfigurationDescription cfgDescription = getFirstConfigurationDescription(project);
assertNotNull(cfgDescription);
assertTrue(cfgDescription instanceof ILanguageSettingsProvidersKeeper);
List<ILanguageSettingsProvider> providers = ((ILanguageSettingsProvidersKeeper) cfgDescription).getLanguageSettingProviders();
assertEquals(0, providers.size());
// and close
project.close(null);
}
{
// Move storage back
String xmlStorageFileLocation = xmlStorageFilePrj.getLocation().toOSString();
java.io.File xmlFile = new java.io.File(xmlStorageFileLocation);
xmlFile.delete();
assertFalse("File "+xmlFile+ " still exist", xmlFile.exists());
java.io.File xmlFileOut = new java.io.File(xmlOutOfTheWay);
java.io.File xmlFileOut = new java.io.File(xmlPrjOutOfTheWay);
xmlFileOut.renameTo(xmlFile);
assertTrue("File "+xmlFile+ " does not exist", xmlFile.exists());
assertFalse("File "+xmlFileOut+ " still exist", xmlFileOut.exists());
// Refresh storage in workspace
xmlStorageFilePrj.refreshLocal(IResource.DEPTH_ZERO, null);
assertTrue("File "+xmlStorageFilePrj+ " does not exist", xmlStorageFilePrj.exists());
// and close
project.close(null);
}
{
@ -1244,9 +1249,9 @@ public class LanguageSettingsPersistenceProjectTests extends BaseTestCase {
*/
public void testProjectPersistence_RealProjectSplitStorage() throws Exception {
IProject project = ResourceHelper.createCDTProjectWithConfig(this.getName());
String xmlStorageFileLocation;
String xmlOutOfTheWay;
String xmlWspStorageFileLocation;
IFile xmlStorageFilePrj;
String xmlPrjOutOfTheWay;
String xmlStorageFileWspLocation;
String xmlWspOutOfTheWay;
List<ICLanguageSettingEntry> entries = new ArrayList<ICLanguageSettingEntry>();
@ -1274,12 +1279,10 @@ public class LanguageSettingsPersistenceProjectTests extends BaseTestCase {
// write to project description
CProjectDescriptionManager.getInstance().setProjectDescription(project, prjDescriptionWritable);
IFile xmlStorageFile = project.getFile(LANGUAGE_SETTINGS_PROJECT_XML);
assertTrue(xmlStorageFile.exists());
xmlStorageFileLocation = xmlStorageFile.getLocation().toOSString();
// TODO - cleanup names
xmlWspStorageFileLocation = getStoreLocationInWorkspaceArea(project.getName()+'.'+LANGUAGE_SETTINGS_WORKSPACE_XML);
java.io.File xmlStorageFileWsp = new java.io.File(xmlWspStorageFileLocation);
xmlStorageFilePrj = project.getFile(LANGUAGE_SETTINGS_PROJECT_XML);
assertTrue(xmlStorageFilePrj.exists());
xmlStorageFileWspLocation = getStoreLocationInWorkspaceArea(project.getName()+'.'+LANGUAGE_SETTINGS_WORKSPACE_XML);
java.io.File xmlStorageFileWsp = new java.io.File(xmlStorageFileWspLocation);
assertTrue(xmlStorageFileWsp.exists());
}
{
@ -1298,20 +1301,21 @@ public class LanguageSettingsPersistenceProjectTests extends BaseTestCase {
assertEquals(entries.get(0), actual.get(0));
assertEquals(entries.size(), actual.size());
}
// Move storages out of the way
{
java.io.File xmlFile = new java.io.File(xmlStorageFileLocation);
xmlOutOfTheWay = xmlStorageFileLocation+".out-of-the-way";
java.io.File xmlFileOut = new java.io.File(xmlOutOfTheWay);
// Move storages out of the way
// project storage
String xmlStorageFilePrjLocation = xmlStorageFilePrj.getLocation().toOSString();
java.io.File xmlFile = new java.io.File(xmlStorageFilePrjLocation);
xmlPrjOutOfTheWay = xmlStorageFilePrjLocation+".out-of-the-way";
java.io.File xmlFileOut = new java.io.File(xmlPrjOutOfTheWay);
xmlFile.renameTo(xmlFileOut);
assertFalse(xmlFile.exists());
assertTrue(xmlFileOut.exists());
}
{
// TODO - workspace file
java.io.File xmlStorageFileWsp = new java.io.File(xmlWspStorageFileLocation);
// workspace storage
java.io.File xmlStorageFileWsp = new java.io.File(xmlStorageFileWspLocation);
assertTrue(xmlStorageFileWsp.exists());
xmlWspOutOfTheWay = xmlWspStorageFileLocation+".out-of-the-way";
xmlWspOutOfTheWay = xmlStorageFileWspLocation+".out-of-the-way";
java.io.File xmlWspFileOut = new java.io.File(xmlWspOutOfTheWay);
boolean result = xmlStorageFileWsp.renameTo(xmlWspFileOut);
assertTrue(result);
@ -1349,31 +1353,36 @@ public class LanguageSettingsPersistenceProjectTests extends BaseTestCase {
{
// open to double-check the data is not kept in some other kind of cache
project.open(null);
// check that list of providers is empty
ICConfigurationDescription cfgDescription = getFirstConfigurationDescription(project);
assertNotNull(cfgDescription);
assertTrue(cfgDescription instanceof ILanguageSettingsProvidersKeeper);
List<ILanguageSettingsProvider> providers = ((ILanguageSettingsProvidersKeeper) cfgDescription).getLanguageSettingProviders();
assertEquals(0, providers.size());
// Move project storage back
project.open(null);
String xmlStorageFilePrjLocation = xmlStorageFilePrj.getLocation().toOSString();
java.io.File xmlFile = new java.io.File(xmlStorageFilePrjLocation);
xmlFile.delete();
assertFalse("File "+xmlFile+ " still exist", xmlFile.exists());
java.io.File xmlFileOut = new java.io.File(xmlPrjOutOfTheWay);
xmlFileOut.renameTo(xmlFile);
assertTrue("File "+xmlFile+ " does not exist", xmlFile.exists());
assertFalse("File "+xmlFileOut+ " still exist", xmlFileOut.exists());
// Refresh storage in workspace
xmlStorageFilePrj.refreshLocal(IResource.DEPTH_ZERO, null);
assertTrue("File "+xmlStorageFilePrj+ " does not exist", xmlStorageFilePrj.exists());
// and close
project.close(null);
}
{
// Move storage back
java.io.File xmlFile = new java.io.File(xmlStorageFileLocation);
xmlFile.delete();
assertFalse("File "+xmlFile+ " still exist", xmlFile.exists());
java.io.File xmlFileOut = new java.io.File(xmlOutOfTheWay);
xmlFileOut.renameTo(xmlFile);
assertTrue("File "+xmlFile+ " does not exist", xmlFile.exists());
assertFalse("File "+xmlFileOut+ " still exist", xmlFileOut.exists());
}
{
// TODO
// Move storage back
java.io.File xmlWspFile = new java.io.File(xmlWspStorageFileLocation);
// Move workspace storage back
java.io.File xmlWspFile = new java.io.File(xmlStorageFileWspLocation);
xmlWspFile.delete();
assertFalse("File "+xmlWspFile+ " still exist", xmlWspFile.exists());
java.io.File xmlWspFileOut = new java.io.File(xmlWspOutOfTheWay);
@ -1515,8 +1524,8 @@ public class LanguageSettingsPersistenceProjectTests extends BaseTestCase {
*/
public void testProjectPersistence_Defaults() throws Exception {
IProject project = ResourceHelper.createCDTProjectWithConfig(this.getName());
IFile xmlStorageFile = project.getFile(LANGUAGE_SETTINGS_PROJECT_XML);
assertFalse(xmlStorageFile.exists());
IFile xmlStorageFilePrj = project.getFile(LANGUAGE_SETTINGS_PROJECT_XML);
assertFalse(xmlStorageFilePrj.exists());
String xmlPrjWspStorageFileLocation = getStoreLocationInWorkspaceArea(project.getName()+'.'+LANGUAGE_SETTINGS_WORKSPACE_XML);
java.io.File xmlStorageFilePrjWsp = new java.io.File(xmlPrjWspStorageFileLocation);
@ -1555,8 +1564,8 @@ public class LanguageSettingsPersistenceProjectTests extends BaseTestCase {
LanguageSettingsManager.serializeLanguageSettingsWorkspace();
}
{
String xmlWspStorageFileLocation = getStoreLocationInWorkspaceArea(LANGUAGE_SETTINGS_WORKSPACE_XML);
String xml = ResourceHelper.getContents(xmlWspStorageFileLocation);
String xmlStorageFileWspLocation = getStoreLocationInWorkspaceArea(LANGUAGE_SETTINGS_WORKSPACE_XML);
String xml = ResourceHelper.getContents(xmlStorageFileWspLocation);
// provider matching extension is not saved (extensions added automatically during loading providers)
assertFalse(xml.contains(EXTENSION_EDITABLE_PROVIDER_ID));
// provider that differs is saved
@ -1573,8 +1582,8 @@ public class LanguageSettingsPersistenceProjectTests extends BaseTestCase {
LanguageSettingsManager.serializeLanguageSettingsWorkspace();
// check that XML file is not created
String xmlWspStorageFileLocation = getStoreLocationInWorkspaceArea(LANGUAGE_SETTINGS_WORKSPACE_XML);
java.io.File xmlStorageFileWsp = new java.io.File(xmlWspStorageFileLocation);
String xmlStorageFileWspLocation = getStoreLocationInWorkspaceArea(LANGUAGE_SETTINGS_WORKSPACE_XML);
java.io.File xmlStorageFileWsp = new java.io.File(xmlStorageFileWspLocation);
assertFalse(xmlStorageFileWsp.exists());
}

11
core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/language/settings/providers/LanguageSettingsProvidersSerializer.java
View file

@ -51,7 +51,6 @@ import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.ListenerList;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.ILock;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.InstanceScope;
@ -989,16 +988,6 @@ public class LanguageSettingsProvidersSerializer {
public static void loadLanguageSettings(ICProjectDescription prjDescription) {
IProject project = prjDescription.getProject();
IFile storeInPrjArea = getStoreInProjectArea(project);
try {
Job currentJob = Job.getJobManager().currentJob();
ISchedulingRule currentRule = (currentJob != null) ? currentJob.getRule() : null;
if ((currentRule == null || currentRule.contains(storeInPrjArea)) && !ResourcesPlugin.getWorkspace().isTreeLocked()) {
storeInPrjArea.refreshLocal(IResource.DEPTH_ZERO, null);
}
} catch (Throwable e) {
// ignore failure
CCorePlugin.log("Internal Error trying to call IResourse.refreshLocal()", e); //$NON-NLS-1$
}
if (storeInPrjArea.exists()) {
Document doc = null;
try {