Re: [ros-diffs] [ion] 14711: Remove bogus error message. It is normal for Mutex creation to fail since the Object will alredy exist after the first time it's created

[Joseph Galbraith]

Thomas Weidenmueller wrote:
>   Joseph Galbraith wrote:
>  
> >   Ahh... I see the confusion;  I'll counter
> > with another quote
> >  from the platform SDK:
> >
> >    Return Values
> >
> >    If the function succeeds, the return value is a handle
> >    to the mutex object. If the named mutex object existed
> >    before the function call, the function returns a handle
> >    to the existing object and GetLastError returns
> >    ERROR_ALREADY_EXISTS. Otherwise, the caller created the mutex.
> >
> >    If the function fails, the return value is NULL. To get
> >    extended error information, call GetLastError.
> >
> >  If you read your quote carefully, you'll notice that it is
> >  refering to existing events, semaphores, waitable timers, jobs,
> >  or file-mapping objets... mutex is notably absent from the list.
> >  The key is the last sentance:  "This occurs because these objects
> >  [the ones listed] share the same name space [as mutex objects.]
> >
> >  I do see now where the confusion comes from though; at first I was
> >  just going to respond that the two pieces of platform SDK documentation
> >  were in conflict, and the one I quoted is the behavior observed
> >  experimentally... then I read carefully. 
>  
>  Thanks for clearing this up, I didn't read the entire documentation, 
>  blame me. Maybe we should inform the MSDN team. 
Sure, I'll report a PSDK documentation bug.

Thanks,

Joseph