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Fix a possible crash in ClangEditorDocumentProcessor

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Use QFutureSynchronizer in order to ensure that all
threads have finished on shutdown.

Fixes: QTCREATORBUG-25673
Change-Id: I3a6a808ada389bc51a1f0149dfc112768929a20d
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
This commit is contained in:
Jarek Kobus
2021-05-04 17:44:23 +02:00
parent b3a893e9b8
commit 0ca487b265
2 changed files with 5 additions and 3 deletions
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6
src/plugins/clangcodemodel/clangeditordocumentprocessor.cpp
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@@ -91,15 +91,14 @@ ClangEditorDocumentProcessor::ClangEditorDocumentProcessor(
this, &ClangEditorDocumentProcessor::cppDocumentUpdated);
connect(&m_builtinProcessor, &CppTools::BuiltinEditorDocumentProcessor::semanticInfoUpdated,
this, &ClangEditorDocumentProcessor::semanticInfoUpdated);
m_parserSynchronizer.setCancelOnWait(true);
}
ClangEditorDocumentProcessor::~ClangEditorDocumentProcessor()
{
m_updateBackendDocumentTimer.stop();
m_parserWatcher.cancel();
m_parserWatcher.waitForFinished();
if (m_projectPart)
closeBackendDocument();
}
@@ -120,6 +119,7 @@ void ClangEditorDocumentProcessor::runImpl(
this, &ClangEditorDocumentProcessor::onParserFinished);
const QFuture<void> future = ::Utils::runAsync(&runParser, parser(), updateParams);
m_parserWatcher.setFuture(future);
m_parserSynchronizer.addFuture(future);
// Run builtin processor
m_builtinProcessor.runImpl(updateParams);