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   sd_bus_call_methodv    ( 3 )

инициализировать объект сообщения шины и вызвать соответствующий вызов метода D-Bus (initialize a bus message object and invoke the corresponding D-Bus method call)

Имя (Name)

sd_bus_call_method, sd_bus_call_methodv,
       sd_bus_call_method_async, sd_bus_call_method_asyncv - Initialize
       a bus message object and invoke the corresponding D-Bus method
       call

Синопсис (Synopsis)

#include <systemd/sd-bus.h>

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

int sd_bus_call_method(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, sd_bus_message **reply, const char *types, ...);

int sd_bus_call_methodv(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, sd_bus_message **reply, const char *types, va_list ap);

int sd_bus_call_method_async(sd_bus *bus, sd_bus_slot **slot, const char *destination, const char *path, const char *interface, const char *member, sd_bus_message_handler_t callback, void *userdata, const char *types, ...);

int sd_bus_call_method_asyncv(sd_bus *bus, sd_bus_slot **slot, const char *destination, const char *path, const char *interface, const char *member, sd_bus_message_handler_t callback, void *userdata, const char *types, va_list ap);


Описание (Description)

sd_bus_call_method() is a convenience function for initializing a
       bus message object and calling the corresponding D-Bus method. It
       combines the sd_bus_message_new_method_call(3),
       sd_bus_message_append(3) and sd_bus_call(3) functions into a
       single function call.

sd_bus_call_method_async() is a convenience function for initializing a bus message object and calling the corresponding D-Bus method asynchronously. It combines the sd_bus_message_new_method_call(3), sd_bus_message_append(3) and sd_bus_call_async(3) functions into a single function call.


Возвращаемое значение (Return value)

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

Errors See the man pages of sd_bus_message_new_method_call(3), sd_bus_message_append(3), sd_bus_call(3) and sd_bus_call_async(3) for a list of possible errors.


Примечание (Note)

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

Смотри также (See also)

systemd(1), sd-bus(3), sd_bus_message_new_method_call(3),
       sd_bus_message_append(3), sd_bus_call(3), sd_bus_set_property(3),
       sd_bus_emit_signal(3)