sd_bus_reply_method_return(3) — Linux manual page


SD_BUS_R...D_RETURN(3) sd_bus_reply_method_return SD_BUS_R...D_RETURN(3)

NAME         top

       sd_bus_reply_method_return, sd_bus_reply_method_returnv - Reply
       to a D-Bus method call

SYNOPSIS         top

       #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);

DESCRIPTION         top

       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.

RETURN VALUE         top

       On success, this function returns a non-negative integer. On
       failure, it returns a negative errno-style error code.

       Returned errors may indicate the following problems:

           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.

           Added in version 246.

           Message call has been sealed.

           Added in version 246.

           The bus to which message call is attached is not connected.

           Added in version 246.

           Memory allocation failed.

           Added in version 246.

       In addition, any error returned by sd_bus_send(1) may be

NOTES         top

       Functions described here are available as a shared library, which
       can be compiled against and linked to with the
       libsystemd pkg-config(1) file.

       The code described here uses getenv(3), which is declared to be
       not multi-thread-safe. This means that the code calling the
       functions described here must not call setenv(3) from a parallel
       thread. It is recommended to only do calls to setenv() from an
       early phase of the program when no other threads have been

SEE ALSO         top

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

COLOPHON         top

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       manager) project.  Information about the project can be found at
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       a bug report for this manual page, see
       This page was obtained from the project's upstream Git repository
       ⟨⟩ on 2024-06-14.  (At that
       time, the date of the most recent commit that was found in the
       repository was 2024-06-13.)  If you discover any rendering
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       (which is not part of the original manual page), send a mail to

systemd 257~devel                                 SD_BUS_R...D_RETURN(3)

Pages that refer to this page: sd-bus(3)sd_bus_add_object(3)sd_bus_send(3)systemd.directives(7)systemd.index(7)