1nbd_connect_socket(3) LIBNBD nbd_connect_socket(3)
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6 nbd_connect_socket - connect directly to a connected socket
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9 #include <libnbd.h>
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11 int nbd_connect_socket (struct nbd_handle *h, int sock);
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14 Pass a connected socket "sock" through which libnbd will talk to the
15 NBD server.
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17 The caller is responsible for creating and connecting this socket by
18 some method, before passing it to libnbd.
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20 If this call returns without error then socket ownership is passed to
21 libnbd. Libnbd will close the socket when the handle is closed. The
22 caller must not use the socket in any way.
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25 If the call is successful the function returns 0.
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28 On error "-1" is returned.
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30 Refer to "ERROR HANDLING" in libnbd(3) for how to get further details
31 of the error.
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33 The following parameters must not be NULL: "h". For more information
34 see "Non-NULL parameters" in libnbd(3).
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37 The handle must be newly created, otherwise this call will return an
38 error.
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41 This function first appeared in libnbd 1.2.
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43 If you need to test if this function is available at compile time check
44 if the following macro is defined:
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46 #define LIBNBD_HAVE_NBD_CONNECT_SOCKET 1
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49 nbd_aio_connect_socket(3), nbd_connect_command(3), nbd_create(3),
50 libnbd(3), socket(7).
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53 Eric Blake
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55 Richard W.M. Jones
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58 Copyright (C) 2019-2021 Red Hat Inc.
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61 This library is free software; you can redistribute it and/or modify it
62 under the terms of the GNU Lesser General Public License as published
63 by the Free Software Foundation; either version 2 of the License, or
64 (at your option) any later version.
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66 This library is distributed in the hope that it will be useful, but
67 WITHOUT ANY WARRANTY; without even the implied warranty of
68 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
69 Lesser General Public License for more details.
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71 You should have received a copy of the GNU Lesser General Public
72 License along with this library; if not, write to the Free Software
73 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
74 02110-1301 USA
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78libnbd-1.14.2 2023-01-03 nbd_connect_socket(3)