Subj : Re: sem_getvalue  (was Re: Using hierarchical memory ...)
To   : comp.programming.threads
From : Joe Seigh
Date : Mon Sep 12 2005 04:02 pm

Alexander Terekhov wrote:
> Joe Seigh wrote:
> [...]
> 
>>>Conflation or non-conflation aside for a moment, I'm just curious how
>>>your lock-free sem_getvalue() for x86 would look like. Care to share?
>>>
>>
>>Depends.  The documentation for that is a little strange and it's not
>>clear if sem_getvalue has any practical use.
> 
> 
> http://www.opengroup.org/austin/mailarchives/ag/msg08586.html
> 
> 

Depends on what you think "synchronize memory" means for posix semaphores,
what is actually observable, and what you mean by "remote write atomicity".


-- 
Joe Seigh

When you get lemons, you make lemonade.
When you get hardware, you make software.

.