Manpages - sd_bus_slot_get_bus.3

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

  #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/);*

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 were currently executing the callback associated with slot.

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.

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

*systemd*(1), *sd-bus*(3),