Add UnloadHook to Sensors #332
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kaworu
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Some sensors need to perform additional work when unloaded, in order to leave the system in a clean state, as part of facilitating the capability to load and unload sensors repeatedly. A clear example would be if a sensor installed a timer (an implementation of a stopable ticker) in an enable function. This commit adds an UnloadHook that can optionally be set by a sensor to point to a function to call, prior to the programs and maps being unloaded, when the sensor is being unloaded. Signed-off-by: Kevin Sheldrake <[email protected]>
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Some sensors need to perform additional work when unloaded, in order to
leave the system in a clean state, as part of facilitating the
capability to load and unload sensors repeatedly. A clear example would
be if a sensor installed a timer (an implementation of a stopable
ticker) in an enable function.
This commit adds an UnloadHook that can optionally be set by a sensor to
point to a function to call, prior to the programs and maps being
unloaded, when the sensor is being unloaded.
Signed-off-by: Kevin Sheldrake [email protected]