1SD_BUS_GET_NAME_MACHINE_ID(s3d)_bus_get_name_machine_SiDd_BUS_GET_NAME_MACHINE_ID(3)
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6 sd_bus_get_name_machine_id - Retrieve a bus client's machine identity
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9 #include <systemd/sd-bus.h>
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11 int sd_bus_get_name_machine_id(sd_bus *bus, const char *name,
12 sd_id128_t *machine);
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15 sd_bus_get_name_machine_id() retrieves the D-Bus machine identity of
16 the machine that the bus client identified by name is running on.
17 Internally, it calls the GetMachineId method of the
18 org.freedesktop.DBus.Peer interface. The D-Bus machine identity is a
19 128-bit UUID. On Linux systems running systemd, this corresponds to the
20 contents of /etc/machine-id. On success, the machine identity is stored
21 in machine.
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24 On success, this function returns a non-negative integer. On failure,
25 it returns a negative errno-style error code.
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27 Errors
28 Returned errors may indicate the following problems:
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30 -EINVAL
31 An argument is invalid.
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33 -ENOPKG
34 The bus cannot be resolved.
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36 -ECHILD
37 The bus was created in a different process.
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39 -ENOMEM
40 Memory allocation failed.
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43 These APIs are implemented as a shared library, which can be compiled
44 and linked to with the libsystemd pkg-config(1) file.
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47 systemd(1), sd-bus(3)
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51systemd 250 SD_BUS_GET_NAME_MACHINE_ID(3)