sd_bus_reply_method_errno.3 - Online Linux Manual Page

SD_BUS_REPLY_METHOD_ERROR - Online Linux Manual PageSection : 3
Updated :
Source : systemd 250
Note : sd_bus_reply_method_error

NAMEsd_bus_reply_method_error, sd_bus_reply_method_errorf, sd_bus_reply_method_errorfv, sd_bus_reply_method_errno, sd_bus_reply_method_errnof, sd_bus_reply_method_errnofv − Reply with an error to a D−Bus method call

SYNOPSIS#include <systemd/sd−bus.h>int sd_bus_reply_method_error(sd_bus_message *call, const sd_bus_error *e); int sd_bus_reply_method_errorf(sd_bus_message *call, const char *name, const char *format, ...); int sd_bus_reply_method_errorfv(sd_bus_message *call, const char *name, const char *format, va_list ap); int sd_bus_reply_method_errno(sd_bus_message *call, int error, const sd_bus_error *p); int sd_bus_reply_method_errnof(sd_bus_message *call, int error, const char *format, ...); int sd_bus_reply_method_errnofv(sd_bus_message *call, int error, const char *format, va_list ap);

DESCRIPTIONThe sd_bus_reply_method_error() function sends an error reply to the call message. The error structure e specifies the error to send, and is used as described in sd_bus_message_new_method_error(3). If no reply is expected to call, this function succeeds without sending a reply. The sd_bus_reply_method_errorf() is to sd_bus_reply_method_error() what sd_bus_message_new_method_errorf() is to sd_bus_message_new_method_error(). The sd_bus_reply_method_errno() is to sd_bus_reply_method_error() what sd_bus_message_new_method_errno() is to sd_bus_message_new_method_error(). The sd_bus_reply_method_errnof() is to sd_bus_reply_method_error() what sd_bus_message_new_method_errnof() is to sd_bus_message_new_method_error().

RETURN VALUEThis function returns a non−negative integer if the error reply was successfully sent or if call does not expect a reply. On failure, it returns a negative errno−style error code.

ErrorsReturned 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. The error parameter e to sd_bus_reply_method_error() is not set, see sd_bus_error_is_set(3). −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.

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

SEE ALSOsystemd(1), sd-bus(3), sd_bus_message_new_method_error(3) 0

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