1nbd_get_pread_initialize(3) LIBNBD nbd_get_pread_initialize(3)
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6 nbd_get_pread_initialize - see whether libnbd pre-initializes read
7 buffers
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10 #include <libnbd.h>
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12 int nbd_get_pread_initialize (struct nbd_handle *h);
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15 Return whether libnbd performs a pre-initialization of a buffer passed
16 to nbd_pread(3) and similar to all zeroes, as set by
17 nbd_set_pread_initialize(3).
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20 This call returns a boolean value.
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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 1.12.
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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_PREAD_INITIALIZE 1
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37 nbd_aio_pread(3), nbd_aio_pread_structured(3), nbd_create(3),
38 nbd_pread(3), nbd_pread_structured(3), nbd_set_pread_initialize(3),
39 nbd_set_strict_mode(3), libnbd(3).
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42 Eric Blake
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44 Richard W.M. Jones
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47 Copyright (C) 2019-2021 Red Hat Inc.
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50 This library is free software; you can redistribute it and/or modify it
51 under the terms of the GNU Lesser General Public License as published
52 by the Free Software Foundation; either version 2 of the License, or
53 (at your option) any later version.
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55 This library is distributed in the hope that it will be useful, but
56 WITHOUT ANY WARRANTY; without even the implied warranty of
57 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
58 Lesser General Public License for more details.
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60 You should have received a copy of the GNU Lesser General Public
61 License along with this library; if not, write to the Free Software
62 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
63 02110-1301 USA
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67libnbd-1.14.2 2023-01-03 nbd_get_pread_initialize(3)