On 03/22/2015 10:38 PM, Nicholas Miell wrote:

On 03/22/2015 07:38 AM, Michael Kerrisk (man-pages) wrote:

quoted

Hello all,

I wrote a short man page documented some of the details of
NPTL that might affect application developers. Review comments
would be most welcome.

Thanks,

Michael

POSIX specifies that process-shared pthread_mutex_t's can be manipulated 
by independent processes, however the AMD64 and i386 versions of the 
mutex structures are incompatible and cannot be shared.

This might be true of the other supposedly sharable primitives, I never 
bothered to check the rest when I first noticed the problem with mutexes.

Nicholas,

Can you provide pointers to further information on this topic?

Cheers,

Michael


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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