On Fri, Oct 03, 2003 at 06:47:16PM +0200, Graham Leggett wrote: > Kris Verbeeck wrote: > > >That won't solve the problem, the shared memory segment is still registered > >somewhere in the kernel. I've had lots of problems with this too and only > >deleting the file does not solve it. You have to remove the segments from > >the kernel table too (see mail from Paul). > > Is there no way that some cleanup process (whether it involves deleting > a file, or talking to the kernel, doesn't matter) can be done before an > attempt is made to create the shared memory segment?
The issue is that APR creates the shmem segments using O_EXCL or IPC_EXCL etc. I think I've come to the conclusion that this should just be fixed in APR, MM does an unlink/shm_unlink on the filename first, and that doesn't cause any headaches I know of. joe
