RunThreadPlan in synchronous so the shared pointer will be back to a single ref
count by the time it returns.
> On Jun 15, 2015, at 3:19 PM, Keno Fischer <kfisc...@college.harvard.edu>
> wrote:
>
> Hey everyone, I'm having some trouble using ThreadPlanCallFunction, I tried
> the following, but for some reason the reference that the thread stores in
> m_completed_plan_stack does not increment the use count of the shared ptr.
> I have tried debugging this, but gotten nowhere, so I figured I must be
> missing something. Does this code look ok? (Ignore the debug print
> statements, though for completeness, the output is
>
> 1
> 1
> 0xf5f1290
> 1
> 0xf5f1290
> 1
>
> if (!ctx.HasThreadScope())
> {
> error_stream.Printf("ClangUserExpression::Execute called with no
> thread selected.");
> return lldb::eExpressionSetupError;
> }
>
> lldb_private::EvaluateExpressionOptions options;
> llvm::ArrayRef <lldb::addr_t> args;
>
> lldb::ThreadPlanSP call_plan_sp(new
> lldb_private::ThreadPlanCallFunction(ctx.GetThreadRef(), address,
> $(ClangASTType(C,rt)), args, options));
> std::cout << call_plan_sp.use_count() << "\n";
>
> if (!call_plan_sp || !call_plan_sp->ValidatePlan (&error_stream))
> return lldb::eExpressionSetupError;
>
> std::cout << call_plan_sp.use_count() << "\n";
>
> lldb::ExpressionResults execution_result =
> ctx.GetProcessRef().RunThreadPlan (ctx,
>
> call_plan_sp,
>
> options,
>
> error_stream);
>
> std::cout << ctx.GetThreadRef().m_completed_plan_stack[1].get() <<
> "\n";
> std::cout << ctx.GetThreadRef().m_completed_plan_stack[1].use_count()
> << "\n";
>
> std::cout << call_plan_sp.get() << "\n";
> std::cout << call_plan_sp.use_count() << "\n";
>
> return lldb::eExpressionCompleted;
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