From: Enrico Weigelt <weigelt@metux.de>
To: gcc-help@gcc.gnu.org
Subject: Re: C++ and garbage collection
Date: Mon, 07 Feb 2011 06:41:00 -0000 [thread overview]
Message-ID: <20110206225318.GA27172@nibiru.local> (raw)
In-Reply-To: <87d3n5e1tg.fsf@mid.deneb.enyo.de>
* Florian Weimer <fw@deneb.enyo.de> wrote:
> * Enrico Weigelt:
>
> >> GCC includes a tr1::shared_ptr so there's no extra dependency if you
> >> are only planning to use g++, and std::shared_ptr is part of C++0x.
> >
> > How does that one actually work and what do I have to do to use it ?
>
> What's the oldest GCC version you're targeting?
Quite old, still some 3.x (can have a look when I'm back in office
tomorrow ...)
> Modern GCC has std::unique_ptr (zero-overhead pointer wrapper with
> RAII semantics), std::shared_ptr and std::make_shared (avoiding a
> separate allocation using operator new). This should work after some
> adjustments, as long as your data structures are acyclic. You just
> have to avoid taking short-cuts to optimize things, using references
> and plain pointers instead of the std:: wrappers.
We make quite heavy use of references.
cu
--
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Enrico Weigelt, metux IT service -- http://www.metux.de/
phone: +49 36207 519931 email: weigelt@metux.de
mobile: +49 151 27565287 icq: 210169427 skype: nekrad666
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Embedded-Linux / Portierung / Opensource-QM / Verteilte Systeme
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next prev parent reply other threads:[~2011-02-06 23:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-04 20:25 Enrico Weigelt
2011-02-04 22:13 ` Florian Weimer
2011-02-05 12:51 ` Enrico Weigelt
2011-02-05 0:03 ` Jonathan Wakely
2011-02-05 4:25 ` Lawrence Crowl
2011-02-05 14:37 ` Enrico Weigelt
2011-02-05 14:43 ` Jonathan Wakely
2011-02-05 14:56 ` Enrico Weigelt
2011-02-06 19:29 ` Florian Weimer
2011-02-07 6:41 ` Enrico Weigelt [this message]
2011-02-07 18:50 ` Florian Weimer
2011-02-12 20:55 ` Enrico Weigelt
2011-02-06 23:01 ` Jonathan Wakely
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