SD_BUS_SLOT_GET_BUS(3)        sd_bus_slot_get_bus       SD_BUS_SLOT_GET_BUS(3)

NAME
       sd_bus_slot_get_bus, sd_bus_slot_get_current_handler,
       sd_bus_slot_get_current_message, sd_bus_slot_get_current_userdata -
       Query information attached to a bus slot object

SYNOPSIS
       #include <systemd/sd-bus.h>

       typedef int (*sd_bus_message_handler_t)(sd_bus_message *m,
                                               void *userdata,
                                               sd_bus_error *ret_error);

       sd_bus *sd_bus_slot_get_bus(sd_bus_slot *slot);

       sd_bus_message_handler_t
                                                                sd_bus_slot_get_current_handler(sd_bus_slot *slot);

       sd_bus_message *sd_bus_slot_get_current_message(sd_bus_slot *slot);

       void *sd_bus_slot_get_current_userdata(sd_bus_slot *slot);

DESCRIPTION
       sd_bus_slot_get_bus() returns the bus object that message slot is
       attached to.

       sd_bus_slot_get_current_handler(), sd_bus_slot_get_current_message()
       and sd_bus_slot_get_current_userdata() return the current handler,
       message and userdata respectively of the bus slot is attached to if
       we're currently executing the callback associated with slot.

RETURN VALUE
       sd_bus_slot_get_bus() always returns the bus object.

       On success, sd_bus_slot_get_current_handler(),
       sd_bus_slot_get_current_message() and
       sd_bus_slot_get_current_userdata() return the requested object. On
       failure, they return NULL.

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

SEE ALSO
       systemd(1), sd-bus(3),

systemd 252                                             SD_BUS_SLOT_GET_BUS(3)

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