SD_BUS_LIST_NAMES - Online Linux Manual PageSection : 3
Updated :
Source : systemd 250
Note : sd_bus_list_names

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NAMEsd_bus_list_names − Retrieve information about registered names on a bus

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SYNOPSIS#include <systemd/sd−bus​.h>int sd_bus_list_names(sd_bus *bus, char ***acquired, char ***activatable);

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DESCRIPTIONsd_bus_list_names() retrieves information about the registered names on a bus​. If acquired is not NULL, this function calls org​.freedesktop​.DBus​.ListNames​[1] to retrieve the list of currently−owned names on the bus​. If acquired is not NULL, the function calls org​.freedesktop​.DBus​.ListActivableNames​[2] to retrieve the list of all names on the bus that can be activated​. Note that ownership of the arrays returned by sd_bus_list_names() in acquired and activatable is transferred to the caller and hence, the caller is responsible for freeing these arrays and their contents​.

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RETURN VALUEOn success, sd_bus_list_names() returns a non−negative integer​. On failure, it returns a negative errno−style error code​.

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ErrorsReturned errors may indicate the following problems: −EINVAL bus or both acquired and activatable were NULL​. −ENOPKG The bus cannot be resolved​. −ECHILD The bus was created in a different process​. −ENOMEM Memory allocation failed​. −ENOTCONN The bus is not connected​.

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

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SEE ALSOsystemd(1), sd-bus(3)

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NOTES 1. org.freedesktop.DBus.ListNames ­https://dbus.freedesktop.org/doc/dbus-specification.html#bus-messages-list-names 2. org.freedesktop.DBus.ListActivableNames ­https://dbus.freedesktop.org/doc/dbus-specification.html#bus-messages-list-activatable-names 0

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