'\" t
.\"     Title: modbus_tcp_accept
.\"    Author: [see the "AUTHORS" section]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: 02/28/2020
.\"    Manual: libmodbus Manual
.\"    Source: libmodbus v3.1.6
.\"  Language: English
.\"
.TH "MODBUS_TCP_ACCEPT" "3" "02/28/2020" "libmodbus v3\&.1\&.6" "libmodbus Manual"
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.SH "NAME"
modbus_tcp_accept \- accept a new connection on a TCP Modbus socket (IPv4)
.SH "SYNOPSIS"
.sp
\fBint modbus_tcp_accept(modbus_t *\fR\fB\fIctx\fR\fR\fB, int *\*(Aqs);\fR
.SH "DESCRIPTION"
.sp
The \fBmodbus_tcp_accept()\fR function shall extract the first connection on the queue of pending connections, create a new socket and store it in libmodbus context given in argument\&. If available, \fIaccept4()\fR with SOCK_CLOEXEC will be called instead of \fBaccept()\fR\&.
.SH "RETURN VALUE"
.sp
The function shall return a new socket if successful\&. Otherwise it shall return \-1 and set errno\&.
.SH "EXAMPLE"
.sp
For detailed example, see unit\-test\-server\&.c source file in tests directory\&.
.sp
.if n \{\
.RS 4
.\}
.nf
\&.\&.\&.

ctx = modbus_new_tcp("127\&.0\&.0\&.1", 502);
s = modbus_tcp_listen(ctx, 1);
modbus_tcp_accept(ctx, &s);

\&.\&.\&.

close(s)
modbus_free(ctx);
.fi
.if n \{\
.RE
.\}
.SH "SEE ALSO"
.sp
\fBmodbus_tcp_pi_accept\fR(3) \fBmodbus_tcp_listen\fR(3) \fBmodbus_tcp_pi_listen\fR(3)
.SH "AUTHORS"
.sp
The libmodbus documentation was written by Stéphane Raimbault <stephane\&.raimbault@gmail\&.com>