[nrf fromtree] ipc_service: icmsg: Add "unbound" functionality #2538
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In some cases, CPUs that may need to reset or temporary stop communication. This commit adds "unbound" functionality that provides a callback to IPC service user when connection was interrupted for some reason, e.g. expected or unexpected CPU reset, closing the endpoint. The "unbound" callback is optional to implement by endpoints. This commit implements it in the ICMsg backend. Signed-off-by: Dominik Kilian <[email protected]> (cherry picked from commit 057145d2ef3199b71a15be7b10da0a9121c31634)
…nt scenarios This commit adds a test that checks if disconnecting and restarting the IPC session works correctly. The test is also focused on the "unbound" callback. Signed-off-by: Dominik Kilian <[email protected]> Co-authored-by: Radoslaw Koppel <[email protected]> (cherry picked from commit e22abdc758984bf449d5da0614c4658da0074b1a)
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Test PR to check compatibility of changes with NCS CI tests.