Josh Bleecher Snyder a029b942ae device: expand IPCError ...

Expand IPCError to contain a wrapped error,
and add a helper to make constructing such errors easier.

Add a defer-based "log on returned error" to IpcSetOperation.
This lets us simplify all of the error return paths.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>

2021-01-25 08:47:48 -08:00

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