1nbd_get_private_data(3) LIBNBD nbd_get_private_data(3)
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6 nbd_get_private_data - get the per-handle private data
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9 #include <libnbd.h>
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11 uintptr_t nbd_get_private_data (
12 struct nbd_handle *h
13 );
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16 Return the value of the private data field set previously by a call to
17 nbd_set_private_data(3) (or 0 if it was not previously set).
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20 This call returns a "uintptr_t".
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23 This function does not fail.
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25 The following parameters must not be NULL: "h". For more information
26 see "Non-NULL parameters" in libnbd(3).
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29 This function first appeared in libnbd 1.8.
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31 If you need to test if this function is available at compile time check
32 if the following macro is defined:
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34 #define LIBNBD_HAVE_NBD_GET_PRIVATE_DATA 1
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37 nbd_create(3), nbd_set_private_data(3), libnbd(3).
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40 Eric Blake
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42 Richard W.M. Jones
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45 Copyright Red Hat
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48 This library is free software; you can redistribute it and/or modify it
49 under the terms of the GNU Lesser General Public License as published
50 by the Free Software Foundation; either version 2 of the License, or
51 (at your option) any later version.
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53 This library is distributed in the hope that it will be useful, but
54 WITHOUT ANY WARRANTY; without even the implied warranty of
55 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
56 Lesser General Public License for more details.
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58 You should have received a copy of the GNU Lesser General Public
59 License along with this library; if not, write to the Free Software
60 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
61 02110-1301 USA
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65libnbd-1.18.1 2023-10-31 nbd_get_private_data(3)