Re: [boost] [interprocess] (OS X) waiting on condition variable = CPU 100% + fans running loud

Subject: Re: [boost] [interprocess] (OS X) waiting on condition variable = CPU 100% + fans running loud
From: Peter Dimov (lists_at_[hidden])
Date: 2013-01-08 11:12:23

Andrey Semashev wrote:
> On Tue, Jan 8, 2013 at 7:50 PM, Ion Gaztañaga <igaztanaga_at_[hidden]> 
> wrote:
> >
> > I read from Boost.Atomic documentation that supported platforms are:
> >
> > - gcc 4.x: i386, x86_64, ppc32, ppc64, armv5, armv6, alpha
> >
> > - Visual Studio Express 2008/Windows XP, i386
> >
> > That seems a bit limited unless under "GCC" we have several compilers
> > compatible with GCC and MSVC (maybe Intel, Clang, Freescale? etc.).
>
> In case of gcc inline assembler is used, which is also supported by
> Intel but not clang. On Windows compiler intrinsics or WinAPI are
> used. I believe Intel supports MSVC intrinsics on Windows. I'm not
> sure what solution is suitable for clang as I don't know if it
> supports any intrinsics and apparently it won't support inline
> assembler any time soon.

Clang has std::atomic though, doesn't it? It probably supports the __sync 
intrinsics as well.