RE: [Boost-Users] detail/lightweight_mutex.hpp

From: Tom Matelich (tmatelich_at_[hidden])
Date: 2002-08-16 10:23:35

> From: Peter Dimov [mailto:pdimov_at_[hidden]]
> 
> From: "Tom Matelich" <tmatelich_at_[hidden]>
> > I'm attempting to go to Boost 1.28 on our HPUX 10.20 boxes. 
>  I've run into
> a
> > problem with an assumption about the type of pthread_mutexattr_t.
> > detail\lwm_pthreads.hpp calls:
> >
> >         pthread_mutex_init(&m_, 0);
> >
> > HP's pthread.h (10.20 uses DCE) has that defined as:
> >
> > int pthread_mutex_init  (pthread_mutex_t *,pthread_mutexattr_t);
> 
> I don't know what to do about it. My POSIX draft says
> 
> int pthread_mutex_init(pthread_mutex_t *restrict mutex, const
> pthread_mutexattr_t *restrict attr);
> 
> and goes on to specify that 0/NULL for the second argument 
> causes default
> attributes to be used.
> 
> I know little - if anything - about HPUX 10.20; if you find a 
> solution let
> me know, and I'll incorporate it into lwm_pthreads.hpp. Sorry.
> 

The dce documentation I see says to use pthread_mutexattr_default.
http://www.transarc.ibm.com/Library/documentation/dce/1.1/pthread_mutex_init
.html

So, it looks like I need to find a version to if or ifdef off of.

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