Subj : Re: share a exclusive resource between the threads inside the different processes
To   : comp.programming.threads
From : loic-dev
Date : Thu Mar 24 2005 07:38 am

Hallo Hank,

> So far as I know the mutex PTHREAD_PROCESS_SHARED attribute was not
> implemented, right?

No? AFAIK, PTHREAD_PROCESS_SHARED has been introduced with NPTL, which
was first officially shipped with Red-Hat v9.0


> so how can I share the POSIX mutex object between the processes?

Try pshared mutex.


> shmop(...)?, mmap(..)? or ....
> It good for me if the process dies, the lock is released.  ^_^

If pshared mutex are not avalaible, I would consider file locking.
Would be that an option for you? 


Cheers,
Loic.

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