Re: [microblaze-uclinux] sysv ipc support on microblaze

[Jim Van Vorst <jvanvorst@xxxxxxxxx>]

Go it working!  I had taken out the sysv ipc support after my first 
failed attempt and forgot to re-enable.
Thanks!  Are semaphores and shared memory working as well with this patch?

John Williams wrote:
> Hi Jim,
>
> Jim Van Vorst wrote:
> > John,
> > Still no-go.  I applied the patch and get the same error:
> >    if ((msqid = msgget(key, 0644 | IPC_CREAT)) == -1) {
> >        perror("msgget");
> >        exit(1);
> >    }
> >
> > results in
> > msgget: Function not implemented
> >
> > I verified the files are patched and rebuilt. (syscall_table.S and 
> > sys_microblaze.c).
>
> Your code fragment builds and runs OK here - can you confirm you've 
> enabled IPC in the kernel config menu
>
> General Setup -> System V IPC
>
> ?
>
> > Is this the full patch?
>
> Yep, that's it.
>
> If you want to trace it, try putting a printk in sys_ipc() - 
> arch/microblaze/kernel/sys_microblaze.c
>
> Regards,
>
> John
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