On Sat, Jun 22, 2013 at 12:47:29PM -0700, Alex Elsayed wrote: > Couldn't this be done by having a root-only tmpfs, and having a userspace > component that creates per-app directories with restrictive permissions on > startup/app install? Then each app creates files in its own directory, and > can pass the fds around.
Honestly having a device that allows passing fds around that can be mmaped sounds a lot simpler. I have to admit that I expect /dev/zero to do this, but looking at the code it creates new file structures at ->mmap time which would defeat this. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
