On Wed, May 15, 2019 at 10:02:51AM +1200, Thomas Munro wrote: > 1. As mentioned, you can't list 'em (unlike Linux, where you can just > ls /dev/shm). There's a TODO note, but it's not clear whether it's > best to extend ipcs or create a new userspace tool, and it wasn't > immediately clear to me how to feed the arbitrary sized results back > to userspace. I had a scheme worked out where you'd keep calling a > sysctl repeatedly to collect the data until it was done, and it'd > sometimes tell you you need a bigger buffer (because you probably have > to drain at least a whole hash table bucket at a time), but an > experienced FreeBSD hacker told me that was BS, and maybe what's > needed is a device you read. As well as the list-all-the-segments > tool, you'd also want to be able to unlink to tidy up.
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