nbd_aio_opt_abort - end negotiation and close the connection

       Eric Blake

       Richard W.M. Jones

       Copyright Red Hat

       Request that the server finish negotiation, gracefully if possible, then close the connection.  This can
       only be used if nbd_set_opt_mode(3) enabled option mode.

       To determine when the request completes, wait for nbd_aio_is_connecting(3) to return false.

       On error -1 is returned.

       Refer to "ERROR HANDLING" in libnbd(3) for how to get further details of the error.

       The following parameters must not be NULL: "h".  For more information see "Non-NULL parameters" in
       libnbd(3).

       nbd_aio_opt_abort can be called when the handle is in the following state:

        ┌─────────────────────────────────────┬─────────────────────────┐
        │ Handle created, before connecting   │ ❌ error                │
        │ Connecting                          │ ❌ error                │
        │ Connecting & handshaking (opt_mode) │ ✅ allowed              │
        │ Connected to the server             │ ❌ error                │
        │ Connection shut down                │ ❌ error                │
        │ Handle dead                         │ ❌ error                │
        └─────────────────────────────────────┴─────────────────────────┘

       This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser
       General Public License as published by the Free Software Foundation; either version 2 of the License, or
       (at your option) any later version.

       This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
       the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General
       Public License for more details.

       You should have received a copy of the GNU Lesser General Public License along with this library; if not,
       write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

libnbd-1.22.2                                      2025-06-16                               nbd_aio_opt_abort(3)

       nbd_aio_opt_abort - end negotiation and close the connection

       If the call is successful the function returns 0.

nbd_aio_is_connecting(3), nbd_create(3), nbd_opt_abort(3), nbd_set_opt_mode(3), libnbd(3).

        #include <libnbd.h>

        int nbd_aio_opt_abort (
              struct nbd_handle *h
            );

       This function first appeared in libnbd 1.4.

       If you need to test if this function is available at compile time check if the following macro is
       defined:

        #define LIBNBD_HAVE_NBD_AIO_OPT_ABORT 1