EPICS Home

Experimental Physics and Industrial Control System


 
2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  <2017>  2018  2019  2020  2021  2022  2023  2024  Index 2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  <2017>  2018  2019  2020  2021  2022  2023  2024 
<== Date ==> <== Thread ==>
Subject: Re: EPICS 7.0.1-pre1 (client.cpp)
From: Dirk Zimoch <[email protected]>
To: <[email protected]>
Date: Fri, 24 Nov 2017 10:41:33 +0100 


On 24.11.2017 08:38, Dirk Zimoch wrote:

vxWorks 6.3 fails with:

In file included from ../../src/client/client.cpp:15:
../../src/client/pv/pvAccess.h:1363: warning: `class
epics::pvAccess::ChannelProviderRegistry' has virtual functions but
non-virtual destructor
../../src/client/client.cpp:30: error: `struct
pvac::ClientChannel::Impl' is private
../../src/client/client.cpp:163: error: within this context
make[4]: *** [client.o] Error 1



gcc 3.4.4 probably follows this logic:

class epicsShareClass ClientChannel
{
    struct Impl;
    std::tr1::shared_ptr<Impl> impl;
    friend class ClientProvider;
ClientChannel::Impl is a private type of ClientChannel and ClientProvider is a friend. 


struct ClientProvider::Impl
{
    pva::ChannelProvider::shared_pointer provider;

    epicsMutex mutex;
typedef std::map<std::pair<std::string, ClientChannel::Options>, std::tr1::weak_ptr<ClientChannel::Impl> > channels_t; 
    channels_t channels;
};
ClientProvider::Impl is not a friend of ClientChannel thus it cannot use the private ClientChannel::Impl.
It seems other compiler versions have a broader understanding of friendship than this one.
Replies:
Re: EPICS 7.0.1-pre1 (client.cpp) Dirk Zimoch
References:
EPICS 7.0.1-pre1 Andrew Johnson
Re: EPICS 7.0.1-pre1 Dirk Zimoch
Re: EPICS 7.0.1-pre1 (client.cpp) Dirk Zimoch
Navigate by Date:
Prev: Re: EPICS 7.0.1-pre1 (client.cpp) Dirk Zimoch
Next: Re: EPICS 7.0.1-pre1 (client.cpp) Dirk Zimoch
Index: 2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  <2017>  2018  2019  2020  2021  2022  2023  2024 
Navigate by Thread:
Prev: Re: EPICS 7.0.1-pre1 (client.cpp) Dirk Zimoch
Next: Re: EPICS 7.0.1-pre1 (client.cpp) Dirk Zimoch
Index: 2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  <2017>  2018  2019  2020  2021  2022  2023  2024