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Re: implementation of std::thread::hardware_concurrency()

From: niXman <i dot nixman at gmail dot com>
To: gcc-patches at gcc dot gnu dot org, libstdc++ at gcc dot gnu dot org
Date: Tue, 1 Nov 2011 19:57:12 +0400
Subject: Re: implementation of std::thread::hardware_concurrency()
References: <CAMPTgK2Fph+jQBtKQ+nHa7+BMdUCu=zT3dWaUO0pc7z=Xg8mWg@mail.gmail.com> <0223B132-51E6-4B54-8C2D-0EC690A5E9E0@oracle.com> <CAMPTgK0dyW0uP03vmOJ4N53vk0NwbFOgirGFqwz7wD2SFZhE_A@mail.gmail.com> <alpine.DEB.2.02.1111011251120.7409@laptop-mg.saclay.inria.fr> <CAMPTgK1HA3dXodt53hg7tAfB8brQpzQTyFC1ConFQ0X4xjM3xQ@mail.gmail.com> <CAH6eHdSorga8wBaLSeTFzZZ-r4mi-j7k39EG_qwKTkT4cQNTnA@mail.gmail.com> <CAH6eHdSdKetFrk81JPB5pG+RQb_gYAzcvJm1u71eyCSUvQF4CA@mail.gmail.com>

> What header is required for pthread_num_processors_np?
pthread.h

> Also, you should include <sys/sysctl.h> before calling sysctlbyname.
On the right - yes.
sysctlbyname() implicitly included in some header files.

Follow-Ups:
- Re: implementation of std::thread::hardware_concurrency()
  - From: Jonathan Wakely

References:
- Re: implementation of std::thread::hardware_concurrency()
  - From: niXman
- Re: implementation of std::thread::hardware_concurrency()
  - From: Marc Glisse
- Re: implementation of std::thread::hardware_concurrency()
  - From: niXman
- Re: implementation of std::thread::hardware_concurrency()
  - From: Jonathan Wakely
- Re: implementation of std::thread::hardware_concurrency()
  - From: Jonathan Wakely

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