sd_bus_slot_get_description(3) — Linux manual page



NAME         top

       sd_bus_slot_set_description, sd_bus_slot_get_description - Set or
       query the description of bus slot objects

SYNOPSIS         top

       #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);

DESCRIPTION         top

       sd_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

       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

RETURN VALUE         top

       On success, these functions return 0 or a positive integer. On
       failure, they return a negative errno-style error code.

       Returned errors may indicate the following problems:

           An required argument is NULL.

           The bus slot object has no description.

           Memory allocation failed.

NOTES         top

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

SEE ALSO         top

       systemd(1), sd-bus(3) sd_bus_slot_ref(3), sd_bus_slot_set_userdata(3)

COLOPHON         top

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systemd 246                                   SD_BUS_SLOT_SET_DESCRIPTION(3)

Pages that refer to this page: 30-systemd-environment-d-generator(7)systemd.index(7)