Subject: [linux-audio-dev] interesting new kernel feature
From: Paul Barton-Davis (pbd_AT_Op.Net)
Date: Wed Mar 22 2000 - 17:12:28 EET
for those not following linux-kernel, i just read my first explanation
of the new "shm" filesystem. given some of benno's experiments in the
server/client arena for audio, i thought this may be of interest.
the shm filesystem is not finished yet, but it may at some point
provide a standard unix (open/read/write/close) interface to shared
memory. you open a file that is named according to its typical SysV
IPC shm ID ("key"). right now, i think that you can only map the
resulting file, but someone has just raised the idea of implementing
read/write as well.
yes, you can get a similar effect by just wrapping mmap-access to a
file and shm-access to shared memory in your own layer, but i thought
that this was interesting.
--p
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