Messages in this thread | | | From | "Henrik Rydberg" <> | Date | Fri, 6 Jan 2012 19:55:44 +0100 | Subject | Re: [PATCH v2] Input: evdev - Add EVIOC mechanism to extract the MT slot state |
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> 2 different processes should be fine; the problem would be if 2 threads > of the same process share the same file descriptor. So far the rest of > evdev copes just fine with multiple threads using the same fd (all > operations are atomic in this regard), setting ABS_MT_SLOT before > fetching the state break this property.
Are we talking about the need for a per-client mutex, or something more subtle, like introducing indirect coupling between threads through per-client states? The former ought to be easily remedied.
Henrik
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