Re: Fwd: memory

["Ramashish Baranwal" <ramashish lists gmail com>]

boost::shared_ptr is thread safe.


On 5/16/06, Rob Benton <rob benton conwaycorp net> wrote:
> I'm pretty sure that...
> new calls the "operator new()" function
> delete calls the "operator delete()" function
> and there are alternate ways of calling new() :
>
> http://www.research.att.com/~bs/glossary.html#Gplacement-new
> http://www.research.att.com/~bs/glossary.html#Gnew#
> http://www.research.att.com/~bs/glossary.html#Gdelete
>
> As for managing your memory, lots of people will point to one of the
> boost smart_ptr's or something similar :
>
> http://www.boost.org/libs/smart_ptr/smart_ptr.htm
>
> But nobody seems to agree on whether or not those are thread-safe.  What
> I'm getting at is that Gtk::Manage was meant for widgets.  If you have
> objects that are not derived from Gtk::Widget I don't know if that will
> help you at all.  Read through the Memory Management section of the
> Gtkmm book :
>
> http://www.gtkmm.org/docs/gtkmm-2.4/docs/tutorial/html/ch19.html
>
>
> Ramashish Baranwal wrote:
> > Probably this documentation snippet can help-
> >
> > template<class T>
> > T*     manage (T* obj)
> >     Mark a Gtk::Object as owned by its parent container widget, so you
> > don't need to delete it manually.
> >
> > Gtk::manage works with classes derived from Gtk::Object, those classes
> > whose objects can be 'added' to some parent widget class. If u want
> > memory management for any general class have a look at
> > boost::shared_ptr.
> >
> > On 5/10/06, Mickael Drean <mickael drean gmail com> wrote:
> >
> >> That's what i wanted to say! My question was not about new and delete but
> >> more on manage()
> >>
> >>
> >>
> >>
> >> 2006/5/9, Alex Buell <alex buell munted org uk >:
> >> > On Tue, 9 May 2006 21:12:14 +0200, I waved a wand and this message
> >> > magically appeared from Mickael Drean:
> >> >
> >> > > No, i used new() and delete(). I never used manage but i will try to
> >> > > use it. Can i use it with my own class object?
> >> >
> >> > there's only new and delete. There are no functions called new() and
> >> > delete()!
> >> >
> >> > Yes you can. For example:
> >> >
> >> > Dialog *dialog = new Dialog();
> >> > ..
> >> > ..
> >> > ..
> >> >
> >> > dialog.run();
> >> >
> >> > ..
> >> > ..
> >> >
> >> > delete dialog;
> >> >
> >> > It's that easy.
> >> >
> >> > --
> >> > http://www.munted.org.uk
> >> >
> >> > Take a nap, it saves lives.
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> >> >
> >>
> >>
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> >>
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