NAME¶

nbd_get_private_data - get the per-handle private data

SYNOPSIS¶

 #include <libnbd.h>
 uintptr_t nbd_get_private_data (struct nbd_handle *h);

DESCRIPTION¶

Return the value of the private data field set previously by a call to nbd_set_private_data(3) (or 0 if it was not previously set).

RETURN VALUE¶

This call returns a "uintptr_t".

ERRORS¶

This function does not fail.

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

VERSION¶

This function first appeared in libnbd 1.8.

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

 #define LIBNBD_HAVE_NBD_GET_PRIVATE_DATA 1

SEE ALSO¶

nbd_create(3), nbd_set_private_data(3), libnbd(3).

AUTHORS¶

Eric Blake

Richard W.M. Jones

COPYRIGHT¶

Copyright (C) 2019-2021 Red Hat Inc.

LICENSE¶

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