On Wed, Jan 22, 2014 at 9:01 PM, Phillip Susi <ps...@ubuntu.com> wrote:
> -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA512 > > I have an object that I wanted to maintain a sigc::connection in and > disconnect it when the object is destroyed. The object is also stored > in a std::vector, which seems to copy and destroy objects as needed > when resizing the array. It looks like when this happens, and the > original object is destroyed, and disconnects the connection, it > breaks the connection even though the object has been copied, > including the connection. > > Is sigc::connection not copy safe using ref counting? How can you get > around this? > connections involves slots. slots involve objects. copying an object does nothing to existing slots that reference the original. if the original is destroyed, its slot will be invalidated. using std:: container types with objects is, IMO, not recommended. use them with simple scalar (builtin) types, pointers and very lightweight objects only.
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