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Re: C++ Memory Management Question

Newsgroups comp.lang.c++
Subject Re: C++ Memory Management Question
References <nn4uf7hmc7c5r5jac8cq8qjhsguk8alh77@4ax.com>
From Simon Quinn <sq@nospam.com>
Date 2012-01-05 07:54 +0000
Message-ID <m31ure1t5h.fsf@btinternet.com> (permalink)

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Datesfat Chicks <datesfat.chicks@gmail.com> writes:

> .. c)Hopefully the memory released by free() would be enough to allow the
> program to exit gracefully (rather than a sudden less controlled
> exit).
>
> Is this sane?  Is there a better way?

That sounds fine in principle, I think. 

I'd expect malloc() & free() to allocate from the same heap as new &
delete. But if you were concerned, you could always new -- rather than
malloc() -- a large array at start-up & then delete that once the memory
got low.

Scott Meyers has something to say about this in "Effective C++" -- I
have edition-II, in which this appears in Item 7: Be prepared for
out-of-memory conditions.

-- s.

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C++ Memory Management Question Datesfat Chicks <datesfat.chicks@gmail.com> - 2011-12-31 08:56 -0500
  Re: C++ Memory Management Question Victor Bazarov <v.bazarov@comcast.invalid> - 2011-12-31 09:44 -0500
    Re: C++ Memory Management Question Datesfat Chicks <datesfat.chicks@gmail.com> - 2011-12-31 10:17 -0500
      Re: C++ Memory Management Question "MikeWhy" <boat042-nospam@yahoo.com> - 2011-12-31 12:56 -0600
      Re: C++ Memory Management Question jt@toerring.de (Jens Thoms Toerring) - 2011-12-31 19:05 +0000
    Re: C++ Memory Management Question Carlo Milanesi <carlo.nospam.milanesi@libero.it> - 2011-12-31 18:18 +0100
      Re: C++ Memory Management Question Victor Bazarov <v.bazarov@comcast.invalid> - 2011-12-31 13:04 -0500
        Re: C++ Memory Management Question Carlo Milanesi <carlo.nospam.milanesi@libero.it> - 2011-12-31 19:42 +0100
        Re: C++ Memory Management Question Goran <goran.pusic@gmail.com> - 2011-12-31 23:25 -0800
          Re: C++ Memory Management Question Victor Bazarov <v.bazarov@comcast.invalid> - 2012-01-01 09:39 -0500
            Re: C++ Memory Management Question Goran <goran.pusic@gmail.com> - 2012-01-01 08:20 -0800
            Re: C++ Memory Management Question Leigh Johnston <leigh@i42.co.uk> - 2012-01-01 19:05 +0000
              Re: C++ Memory Management Question "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2012-01-01 19:36 +0000
                Re: C++ Memory Management Question Leigh Johnston <leigh@i42.co.uk> - 2012-01-01 19:49 +0000
                Re: C++ Memory Management Question "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2012-01-02 11:26 +0000
                Re: C++ Memory Management Question Leigh Johnston <leigh@i42.co.uk> - 2012-01-02 14:32 +0000
                Re: C++ Memory Management Question "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2012-01-02 15:54 +0000
                Re: C++ Memory Management Question Leigh Johnston <leigh@i42.co.uk> - 2012-01-02 16:26 +0000
                Re: C++ Memory Management Question "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2012-01-02 16:58 +0000
                Re: C++ Memory Management Question Leigh Johnston <leigh@i42.co.uk> - 2012-01-02 21:14 +0000
                Re: C++ Memory Management Question Ian Collins <ian-news@hotmail.com> - 2012-01-03 11:11 +1300
                Re: C++ Memory Management Question scott@slp53.sl.home (Scott Lurndal) - 2012-01-03 20:53 +0000
                Re: C++ Memory Management Question Leigh Johnston <leigh@i42.co.uk> - 2012-01-03 21:21 +0000
                Re: C++ Memory Management Question Ian Collins <ian-news@hotmail.com> - 2012-01-04 12:15 +1300
                Re: C++ Memory Management Question gwowen <gwowen@gmail.com> - 2012-01-04 08:20 -0800
                Re: C++ Memory Management Question "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2012-01-02 22:24 +0000
                Re: C++ Memory Management Question Leigh Johnston <leigh@i42.co.uk> - 2012-01-02 22:55 +0000
                Re: C++ Memory Management Question "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2012-01-02 23:27 +0000
                Re: C++ Memory Management Question Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-01-10 01:01 -0800
                Re: C++ Memory Management Question 88888 Dihedral <dihedral88888@googlemail.com> - 2012-01-02 21:45 -0800
                Re: C++ Memory Management Question Goran <goran.pusic@gmail.com> - 2012-01-03 00:32 -0800
                Re: C++ Memory Management Question "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2012-01-03 17:34 +0000
                Re: C++ Memory Management Question Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-01-10 00:47 -0800
                Re: C++ Memory Management Question BCFD36 <bcfd36@cruzio.com> - 2012-01-10 22:57 -0800
              Re: C++ Memory Management Question Ian Collins <ian-news@hotmail.com> - 2012-01-03 09:31 +1300
                Re: C++ Memory Management Question Leigh Johnston <leigh@i42.co.uk> - 2012-01-02 21:02 +0000
                Re: C++ Memory Management Question Ian Collins <ian-news@hotmail.com> - 2012-01-03 11:09 +1300
          Re: C++ Memory Management Question Leigh Johnston <leigh@i42.co.uk> - 2012-01-01 18:57 +0000
      Re: C++ Memory Management Question jgk@panix.com (Joe keane) - 2012-01-01 22:04 +0000
        Re: C++ Memory Management Question Carlo Milanesi <carlo.nospam.milanesi@libero.it> - 2012-01-02 00:37 +0100
          Re: C++ Memory Management Question yatremblay@bel1lin202.(none) (Yannick Tremblay) - 2012-01-09 17:41 +0000
            Re: C++ Memory Management Question Carlo Milanesi <carlo.milanesi@libero.it> - 2012-01-13 08:14 -0800
    Re: C++ Memory Management Question Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-01-01 18:05 +0000
  Re: C++ Memory Management Question Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-12-31 07:25 -0800
  Re: C++ Memory Management Question Torsten Mueller <dev-null@shared-files.de> - 2011-12-31 16:41 +0100
  Re: C++ Memory Management Question Nobody <nobody@nowhere.com> - 2012-01-01 09:16 +0000
    Re: C++ Memory Management Question Datesfat Chicks <datesfat.chicks@gmail.com> - 2012-01-02 16:48 -0500
      Re: C++ Memory Management Question Goran <goran.pusic@gmail.com> - 2012-01-03 00:02 -0800
        Re: C++ Memory Management Question Datesfat Chicks <datesfat.chicks@gmail.com> - 2012-01-03 12:53 -0500
          Re: C++ Memory Management Question Nobody <nobody@nowhere.com> - 2012-01-03 19:46 +0000
          Re: C++ Memory Management Question Goran <goran.pusic@gmail.com> - 2012-01-04 00:11 -0800
            Re: C++ Memory Management Question Nobody <nobody@nowhere.com> - 2012-01-04 09:30 +0000
    Re: C++ Memory Management Question Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-01-04 19:28 +0000
      Re: C++ Memory Management Question Nobody <nobody@nowhere.com> - 2012-01-04 22:09 +0000
        Re: C++ Memory Management Question Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-01-05 11:43 +0000
  Re: C++ Memory Management Question Christian Gollwitzer <auriocus@gmx.de> - 2012-01-01 18:13 +0100
    Re: C++ Memory Management Question "io_x" <a@b.c.invalid> - 2012-01-01 20:11 +0100
    Re: C++ Memory Management Question Datesfat Chicks <datesfat.chicks@gmail.com> - 2012-01-02 16:51 -0500
  Re: C++ Memory Management Question Simon Quinn <sq@nospam.com> - 2012-01-05 07:54 +0000
  Re: C++ Memory Management Question darylew@gmail.com - 2012-01-10 10:19 -0800

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