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.\" Copyright (C) The libssh2 project and its contributors.
.\" SPDX-License-Identifier: BSD-3-Clause
.TH libssh2_channel_signal_ex 3 "20 Apr 2023" "libssh2 1.11.0" "libssh2"
.SH NAME
libssh2_channel_signal_ex -- Send a signal to process previously opened on channel.
.SH SYNOPSIS
.nf
#include <libssh2.h>

int
libssh2_channel_signal_ex(LIBSSH2_CHANNEL *channel,
                          const char *signame,
                          size_t signame_len)
.fi
.SH DESCRIPTION
A signal can be delivered to the remote process/service. Some servers or
systems may not implement signals, in which case they will probably ignore this
message.

\fIchannel\fP - Previously opened channel instance such as returned by
.BR libssh2_channel_open_ex(3)

\fIsigname\fP - The signal name is the same as the signal name constant, without the leading "SIG".

\fIsigname_len\fP - Length of passed signal name parameter.

There is also a macro \fIlibssh2_channel_signal(channel, signame)\fP that supplies the strlen of the signame.
.SH RETURN VALUE
Normal channel error codes.
LIBSSH2_ERROR_EAGAIN when it would block.
.SH SEE ALSO
.BR libssh2_channel_get_exit_signal(3)