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device: introduce new IPC error message for unknown error

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Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
This commit is contained in:
Josh Bleecher Snyder 2021-01-25 09:21:51 -08:00
parent 87bdcb2ae4
commit 674a4675a1
2 changed files with 3 additions and 2 deletions
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4
device/uapi.go
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@ -427,8 +427,8 @@ func (device *Device) IpcHandle(socket net.Conn) {
// write status
var status *IPCError
if err != nil && !errors.As(err, &status) {
// I/O error, maybe something unexpected
status = ipcErrorf(1, "other UAPI error: %w", err)
// shouldn't happen
status = ipcErrorf(ipc.IpcErrorUnknown, "other UAPI error: %w", err)
}
if status != nil {
device.log.Error.Println(status)

1
ipc/uapi_unix.go
View file

@ -21,6 +21,7 @@ const (
IpcErrorProtocol = -int64(unix.EPROTO)
IpcErrorInvalid = -int64(unix.EINVAL)
IpcErrorPortInUse = -int64(unix.EADDRINUSE)
IpcErrorUnknown = -55 // ENOANO
)
// socketDirectory is variable because it is modified by a linker