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[636] cling: Deduplicate lock code. Keep semantic distinction. #18814

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Merged
pcanal merged 1 commit into from
May 21, 2025
Merged

[636] cling: Deduplicate lock code. Keep semantic distinction. #18814

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21 changes: 2 additions & 19 deletions interpreter/cling/lib/Interpreter/EnterUserCodeRAII.h
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
#define CLING_ENTERUSERCODERAII_H

#include "cling/Interpreter/Interpreter.h"
#include "cling/Interpreter/InterpreterAccessRAII.h"
#include "cling/Interpreter/InterpreterCallbacks.h"

namespace cling {
Expand All @@ -34,25 +35,7 @@ struct EnterUserCodeRAII {
}
};

struct LockCompilationDuringUserCodeExecutionRAII {
/// Callbacks used to un/lock.
InterpreterCallbacks* fCallbacks;
/// Info provided to UnlockCompilationDuringUserCodeExecution().
void* fStateInfo = nullptr;
LockCompilationDuringUserCodeExecutionRAII(InterpreterCallbacks* callbacks):
fCallbacks(callbacks) {
if (fCallbacks)
fStateInfo = fCallbacks->LockCompilationDuringUserCodeExecution();
}

LockCompilationDuringUserCodeExecutionRAII(Interpreter& interp):
LockCompilationDuringUserCodeExecutionRAII(interp.getCallbacks()) {}

~LockCompilationDuringUserCodeExecutionRAII() {
if (fCallbacks)
fCallbacks->UnlockCompilationDuringUserCodeExecution(fStateInfo);
}
};
using LockCompilationDuringUserCodeExecutionRAII = cling::InterpreterAccessRAII;
}

#endif // CLING_ENTERUSERCODERAII_H
2 changes: 1 addition & 1 deletion interpreter/cling/lib/Interpreter/LookupHelper.cpp
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Expand Up @@ -479,7 +479,7 @@ namespace cling {
// the ResolvedTypedef code paths. Through that code path nothing is
// taking the ROOT/Interpreter lock and since this code can modify the
// interpreter, we do need to take lock.
LockCompilationDuringUserCodeExecutionRAII LCDUCER(*m_Interpreter);
InterpreterAccessRAII LockAccess(*m_Interpreter);

// Could trigger deserialization of decls.
Interpreter::PushTransactionRAII RAII(m_Interpreter);
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