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.
39
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) 2019-2020 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-1.6.2                      2021-03-02            nbd_aio_connect_tcp(3)
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