C++ (Cpp) ProcessAttachInfo::SetHijackListener Examples

Example #1

File: PlatformPOSIX.cpp Project: CTSRD-CHERI/lldb

lldb::ProcessSP
PlatformPOSIX::Attach (ProcessAttachInfo &attach_info,
                       Debugger &debugger,
                       Target *target,
                       Error &error)
{
    lldb::ProcessSP process_sp;
    Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));

    if (IsHost())
    {
        if (target == NULL)
        {
            TargetSP new_target_sp;

            error = debugger.GetTargetList().CreateTarget (debugger,
                                                           NULL,
                                                           NULL,
                                                           false,
                                                           NULL,
                                                           new_target_sp);
            target = new_target_sp.get();
            if (log)
                log->Printf ("PlatformPOSIX::%s created new target", __FUNCTION__);
        }
        else
        {
            error.Clear();
            if (log)
                log->Printf ("PlatformPOSIX::%s target already existed, setting target", __FUNCTION__);
        }

        if (target && error.Success())
        {
            debugger.GetTargetList().SetSelectedTarget(target);
            if (log)
            {
                ModuleSP exe_module_sp = target->GetExecutableModule ();
                log->Printf("PlatformPOSIX::%s set selected target to %p %s", __FUNCTION__, (void *)target,
                            exe_module_sp ? exe_module_sp->GetFileSpec().GetPath().c_str() : "<null>");
            }


            process_sp = target->CreateProcess (attach_info.GetListenerForProcess(debugger), attach_info.GetProcessPluginName(), NULL);

            if (process_sp)
            {
                // Set UnixSignals appropriately.
                process_sp->SetUnixSignals (Host::GetUnixSignals ());

                auto listener_sp = attach_info.GetHijackListener();
                if (listener_sp == nullptr)
                {
                    listener_sp.reset(new Listener("lldb.PlatformPOSIX.attach.hijack"));
                    attach_info.SetHijackListener(listener_sp);
                }
                process_sp->HijackProcessEvents(listener_sp.get());
                error = process_sp->Attach (attach_info);
            }
        }
    }
    else
    {
        if (m_remote_platform_sp)
            process_sp = m_remote_platform_sp->Attach (attach_info, debugger, target, error);
        else
            error.SetErrorString ("the platform is not currently connected");
    }
    return process_sp;
}