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Bug 400073 - More robust clearing of results cache.

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This commit is contained in:
Sergey Prigogin 2013-12-06 10:57:05 -08:00
parent d144de5c1d
commit 63c70d737e
1 changed files with 7 additions and 2 deletions
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9
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/AbstractIndexerTask.java
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@ -1006,6 +1006,7 @@ public abstract class AbstractIndexerTask extends PDOMWriter {
private DependsOnOutdatedFileException parseFile(Object tu, AbstractLanguage lang,
IIndexFileLocation ifl, IScannerInfo scanInfo, FileContext ctx, IProgressMonitor pm)
throws CoreException, InterruptedException {
boolean resultCacheCleared = false;
IPath path= getLabel(ifl);
Throwable th= null;
try {
@ -1025,6 +1026,7 @@ public abstract class AbstractIndexerTask extends PDOMWriter {
// to the index.
((ASTTranslationUnit) ast).setOriginatingTranslationUnit((ITranslationUnit) tu);
writeToIndex(lang.getLinkageID(), ast, codeReader, ctx, pm);
resultCacheCleared = true; // The cache was cleared while writing to the index.
}
} catch (CoreException e) {
th= e;
@ -1044,8 +1046,11 @@ public abstract class AbstractIndexerTask extends PDOMWriter {
}
if (th != null) {
swallowError(path, th);
// In case of a parsing error the result cache may not have been cleared.
// Clear if under a write lock to reduce interference with index readers.
}
if (!resultCacheCleared) {
// If the result cache has not been cleared, clear it under a write lock to reduce
// interference with index readers.
fIndex.acquireWriteLock();
try {
fIndex.clearResultCache();