sd_bus_get_name_machine_id - Retrieve a bus client's machine identity

NAME  SYNOPSIS  DESCRIPTION  RETURN VALUE  Errors  NOTES  SEE ALSO 

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NAME

sd_bus_get_name_machine_id − Retrieve a bus client's machine identity

SYNOPSIS

#include <elogind/sd−bus.h>

int sd_bus_get_name_machine_id(sd_bus *bus, const char *name, sd_id128_t *machine);

DESCRIPTION

sd_bus_get_name_machine_id() retrieves the D−Bus machine identity of the machine that the bus client identified by name is running on. Internally, it calls the GetMachineId method of the org.freedesktop.DBus.Peer interface. The D−Bus machine identity is a 128−bit UUID. On Linux systems running elogind, this corresponds to the contents of /etc/machine−id. On success, the machine identity is stored in machine.

RETURN VALUE

On success, this function returns a non−negative integer. On failure, it returns a negative errno−style error code.

Errors

Returned errors may indicate the following problems:

−EINVAL

An argument is invalid.

−ENOPKG

The bus cannot be resolved.

−ECHILD

The bus was created in a different process.

−ENOMEM

Memory allocation failed.

NOTES

These APIs are implemented as a shared library, which can be compiled and linked to with the libelogind pkg-config(1) file.

SEE ALSO

elogind(8), sd-bus(3)

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