[m-rev.] for review: pthread_mutexattr_setpshared

[Julien Fischer]

On Thu, 28 Oct 2010, Peter Wang wrote:

> Branches: main, 10.04
>
> Do not assume that pthread_mutexattr_setpshared() is available everywhere
> that pthread.h is available.  It is used to synchronise processes in the
> `mmc --make --jobs' implementation.
>
> configure.in:
> runtime/mercury_conf.h.in:
>        Define MR_HAVE_PTHREAD_MUTEXATTR_SETPSHARED if
>        `pthread_mutexattr_setpshared' is found.
>
> compiler/make.util.m:
>        Only use pthread_mutexattr_setpshared() if it was found.

That looks fine.

Julien.
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