nbd_set_handle_name - Man Page

set the handle name


 #include <libnbd.h>

 int nbd_set_handle_name (
       struct nbd_handle *h, const char *handle_name


Handles have a name which is unique within the current process. The handle name is used in debug output.

Handle names are normally generated automatically and have the form "nbd1", "nbd2", etc., but you can optionally use this call to give the handles a name which is meaningful for your application to make debugging output easier to understand.

Return Value

If the call is successful the function returns 0.


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, handle_name. For more information see "Non-NULL parameters" in libnbd(3).


This function first appeared in libnbd 1.0.

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


See Also

nbd_create(3), nbd_get_handle_name(3), libnbd(3).


Eric Blake

Richard W.M. Jones


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

Referenced By

libnbd(3), NBD(3), nbd_get_handle_name(3), nbd_set_debug(3).

2023-11-22 libnbd-1.19.2