SD_BUS_SLOT_SET_DESCRIPTION - Online Linux Manual PageSection : 3
Updated :
Source : systemd 250
Note : sd_bus_slot_set_description

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NAMEsd_bus_slot_set_description, sd_bus_slot_get_description − Set or query the description of bus slot objects

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SYNOPSIS#include <systemd/sd−bus​.h>int sd_bus_slot_set_description(sd_bus_slot* slot, const char *description); int sd_bus_slot_get_description(sd_bus_slot* bus, const char **description);

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DESCRIPTIONsd_bus_slot_set_description() sets the description string that is used in logging to the specified string​. The string is copied internally and freed when the bus slot object is deallocated​. The description argument may be NULL, in which case the description is unset​. sd_bus_slot_get_description() returns a description string in description​. If the string is not set, e​.g​. with sd_bus_slot_set_description(), and the slot is a bus match callback slot, the match string will be returned​. Otherwise, −ENXIO is returned​.

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RETURN VALUEOn success, these functions return 0 or a positive integer​. On failure, they return a negative errno−style error code​.

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ErrorsReturned errors may indicate the following problems: −EINVAL An required argument is NULL​. −ENXIO The bus slot object has no description​. −ENOMEM Memory allocation failed​.

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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) sd_bus_slot_ref(3), sd_bus_slot_set_userdata(3) 0

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