From: Jonathan Wakely <jwakely@redhat.com>
To: Alexander Monakov <amonakov@ispras.ru>
Cc: Richard Biener <rguenther@suse.de>,
gcc-patches@gcc.gnu.org, Jakub Jelinek <jakub@redhat.com>
Subject: Re: [PATCH] [RFC] RAII auto_mpfr and autp_mpz
Date: Tue, 7 Mar 2023 21:35:37 +0000 [thread overview]
Message-ID: <CACb0b4k3W9k1GoXs+EjmeQgFi9QiL2kgLBWhwaromkCUv34hsw@mail.gmail.com> (raw)
In-Reply-To: <758f3df6-7d0c-0712-fd79-b6e391cb402d@ispras.ru>
On Tue, 7 Mar 2023 at 19:15, Alexander Monakov wrote:
>
> Hi,
>
> On Mon, 6 Mar 2023, Richard Biener via Gcc-patches wrote:
>
> > --- a/gcc/realmpfr.h
> > +++ b/gcc/realmpfr.h
> > @@ -24,6 +24,26 @@
> > #include <mpfr.h>
> > #include <mpc.h>
> >
> > +class auto_mpfr
> > +{
> > +public:
> > + auto_mpfr () { mpfr_init (m_mpfr); }
> > + explicit auto_mpfr (mpfr_prec_t prec) { mpfr_init2 (m_mpfr, prec); }
> > + ~auto_mpfr () { mpfr_clear (m_mpfr); }
> > +
> > + operator mpfr_t& () { return m_mpfr; }
> > +
> > + auto_mpfr (const auto_mpfr &) = delete;
> > + auto_mpfr &operator=(const auto_mpfr &) = delete;
>
> Shouldn't this use the idiom suggested in ansidecl.h, i.e.
>
> private:
> DISABLE_COPY_AND_ASSIGN (auto_mpfr);
Why? A macro like that (or a base class like boost::noncopyable) has
some value in a code base that wants to work for both C++03 and C++11
(or later). But in GCC we know we have C++11 now, so we can just
delete members. I don't see what the macro adds.
next prev parent reply other threads:[~2023-03-07 21:35 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-06 10:11 Richard Biener
2023-03-06 10:44 ` Jonathan Wakely
2023-03-06 11:01 ` Richard Biener
2023-03-06 11:03 ` Jonathan Wakely
2023-03-06 11:10 ` Jakub Jelinek
2023-03-06 11:29 ` Richard Biener
2023-03-07 18:51 ` Bernhard Reutner-Fischer
2023-03-07 19:03 ` Jakub Jelinek
2023-04-02 15:05 ` [PATCH 0/3] Fix mpfr and mpz memory leaks Bernhard Reutner-Fischer
2023-04-02 15:05 ` [PATCH 1/3] go: Fix memory leak in Integer_expression Bernhard Reutner-Fischer
2023-04-02 15:05 ` [PATCH 2/3] rust: Fix memory leak in compile_{integer,float}_literal Bernhard Reutner-Fischer
2023-04-02 15:05 ` [PATCH 3/3] Fortran: Fix mpz and mpfr memory leaks Bernhard Reutner-Fischer
2023-04-03 19:50 ` Harald Anlauf
2023-04-03 19:50 ` Harald Anlauf
2023-04-03 21:42 ` Bernhard Reutner-Fischer
2023-04-17 19:47 ` ping " Bernhard Reutner-Fischer
2023-04-17 22:18 ` Steve Kargl
2023-05-08 6:00 ` Bernhard Reutner-Fischer
2023-03-07 19:15 ` [PATCH] [RFC] RAII auto_mpfr and autp_mpz Alexander Monakov
2023-03-07 21:35 ` Jonathan Wakely [this message]
2023-03-07 21:51 ` Alexander Monakov
2023-03-07 21:54 ` Jonathan Wakely
2023-03-07 21:59 ` Marek Polacek
2023-03-08 7:25 ` Richard Biener
2023-03-08 10:13 ` Jonathan Wakely
2023-03-08 10:33 ` Jakub Jelinek
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