Re: [Qemu-devel] IPC syscall emulation and glibc 2.3.x fix

[Fabrice Bellard]

Derrik Pates wrote:
> I'm working on adding emulation of the ipc syscall to qemu. I've managed 
> to get SHM (mostly) working - at least, to the point that some X apps 
> like it alright. I've run xwf (a simple GTK+-based file manager) and I 
> managed to (with a lot of debug options) get Loki's port of SimCity 3000 
> started (though it hangs if you try to launch a game - it appears to get 
> a SIGRTMIN and become confused by that, also the colors are obviously 
> ordered wrong in the image, but the speed in the menu is pretty good). I 
> intend to add support for semaphores and message queues as well, once I 
> get the shmctl() stuff finished - still working on a few issues with 
> getting stats on SHM segments.
>
> Also, I've found a solution to some glibc changes that caused a build 
> error on line 536 of cpu-exec.c (at least on PPC). However, to 
> successfully #ifdef that so that it can still work with older glibc 
> versions, I need to be able to fix the original configure.in that the 
> configure script is generated from. Can that be added to CVS, so that it 
> can be fixed as well?
>
> Once I have this stuff ready (as well as possibly wrapping the _sysctl 
> syscall), I'll submit a patch with all my changes.

Thank you for the work ! Don't forget to patch 'linux-test.c' so that it 
is possible to test automatically the ipc syscalls implementation.

Fabrice.