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34 lines
1.3 KiB
Groff
34 lines
1.3 KiB
Groff
.\" Copyright (C) The libssh2 project and its contributors.
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.\" SPDX-License-Identifier: BSD-3-Clause
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.TH libssh2_session_block_directions 3 "1 Oct 2008" "libssh2" "libssh2"
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.SH NAME
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libssh2_session_block_directions - get directions to wait for
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.SH SYNOPSIS
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.nf
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#include <libssh2.h>
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int
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libssh2_session_block_directions(LIBSSH2_SESSION *session);
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.fi
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.SH DESCRIPTION
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\fIsession\fP - Session instance as returned by \fBlibssh2_session_init_ex(3)\fP
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When any of libssh2 functions return \fBLIBSSH2_ERROR_EAGAIN\fP an application
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should wait for the socket to have data available for reading or
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writing. Depending on the return value of
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\fIlibssh2_session_block_directions(3)\fP an application should wait for read,
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write or both.
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.SH RETURN VALUE
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Returns the set of directions as a binary mask. Can be a combination of:
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LIBSSH2_SESSION_BLOCK_INBOUND: Inbound direction blocked.
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LIBSSH2_SESSION_BLOCK_OUTBOUND: Outbound direction blocked.
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Application should wait for data to be available for socket prior to calling a
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libssh2 function again. If \fBLIBSSH2_SESSION_BLOCK_INBOUND\fP is set select
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should contain the session socket in readfds set. Correspondingly in case of
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\fBLIBSSH2_SESSION_BLOCK_OUTBOUND\fP writefds set should contain the socket.
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.SH AVAILABILITY
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Added in 1.0
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