1nbd_aio_connect_tcp(3)              LIBNBD              nbd_aio_connect_tcp(3)
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NAME

6       nbd_aio_connect_tcp - connect to the NBD server over a TCP port
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SYNOPSIS

9        #include <libnbd.h>
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11        int nbd_aio_connect_tcp (struct nbd_handle *h,
12                                 const char *hostname,
13                                 const char *port);
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DESCRIPTION

16       Begin connecting to the NBD server listening on "hostname:port".
17       Parameters behave as documented in nbd_connect_tcp(3).
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19       You can check if the connection is still connecting by calling
20       nbd_aio_is_connecting(3), or if it has connected to the server and
21       completed the NBD handshake by calling nbd_aio_is_ready(3), on the
22       connection.
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RETURN VALUE

25       If the call is successful the function returns 0.
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ERRORS

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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HANDLE STATE

34       The handle must be newly created, otherwise this call will return an
35       error.
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VERSION

38       This function first appeared in libnbd 1.0.
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40       If you need to test if this function is available at compile time check
41       if the following macro is defined:
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43        #define LIBNBD_HAVE_NBD_AIO_CONNECT_TCP 1
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SEE ALSO

46       nbd_aio_is_connecting(3), nbd_aio_is_ready(3), nbd_connect_tcp(3),
47       nbd_create(3), libnbd(3).
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AUTHORS

50       Eric Blake
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52       Richard W.M. Jones
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55       Copyright (C) 2019-2021 Red Hat Inc.
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LICENSE

58       This library is free software; you can redistribute it and/or modify it
59       under the terms of the GNU Lesser General Public License as published
60       by the Free Software Foundation; either version 2 of the License, or
61       (at your option) any later version.
62
63       This library is distributed in the hope that it will be useful, but
64       WITHOUT ANY WARRANTY; without even the implied warranty of
65       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
66       Lesser General Public License for more details.
67
68       You should have received a copy of the GNU Lesser General Public
69       License along with this library; if not, write to the Free Software
70       Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
71       02110-1301 USA
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75libnbd-1.7.12                     2021-05-29            nbd_aio_connect_tcp(3)
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