[haiku-gsoc] Re: Xsi semaphorses: patch #1
- From: Ingo Weinhold <ingo_weinhold@xxxxxx>
- To: haiku-gsoc@xxxxxxxxxxxxx
- Date: Tue, 15 Jul 2008 21:45:30 +0200
On 2008-07-15 at 23:14:13 [+0200], Salvatore Benedetto <emitrax@xxxxxxxxx>
wrote:
> 2008/7/14 Ingo Weinhold <ingo_weinhold@xxxxxx>:
> >> I plan to move the IPC code to its own source file and extend its
> >> usage for message queues
> >> and shared memory. I know we already talked about it and decided to
> >> use 3 different tables
> >> but I don't really see the point of that, besides other OSes don't
> >> seems to do so.
> >
> > One obvious point of using different tables is right here: It avoids
> > special
> > cases. Another is that, since the standard is not very explicit in this
> > respect, I expect most programs not to share IPC keys for the different
> > kinds
> > of IPC subsystems. So you would end up with table entries that potentially
> > reference three kinds of IPC objects, but actually reference only one.
>
> But what if some programs do share IPC keys for different kinds of IPC
> subsystems?
> Wouldn't that result in a bug from the application POV?
I don't see what kind of potential bug you're thinking of.
CU, Ingo
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