> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html