ответ на вызов метода D-Bus (Reply to a D-Bus method call)
Имя (Name)
sd_bus_reply_method_return, sd_bus_reply_method_returnv - Reply
to a D-Bus method call
Синопсис (Synopsis)
#include <systemd/sd-bus.h>
int sd_bus_reply_method_return(sd_bus_message *call,
const char *types, ...);
int sd_bus_reply_method_returnv(sd_bus_message *call,
const char *types, va_list ap);
Описание (Description)
sd_bus_reply_method_return() sends a reply to the call message.
The type string types and the arguments that follow it must
adhere to the format described in sd_bus_message_append(3). If no
reply is expected to call, this function succeeds without sending
a reply.
Возвращаемое значение (Return value)
On success, this function returns a non-negative integer. On
failure, it returns a negative errno-style error code.
Errors
Returned errors may indicate the following problems:
-EINVAL
The input parameter call is NULL.
Message call is not a method call message.
Message call is not attached to a bus.
Message m is not a method reply message.
-EPERM
Message call has been sealed.
-ENOTCONN
The bus to which message call is attached is not connected.
-ENOMEM
Memory allocation failed.
In addition, any error returned by sd_bus_send(1) may be
returned.
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_return(3)
