1MODBUS_TCP_ACCEPT(3) libmodbus Manual MODBUS_TCP_ACCEPT(3)
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6 modbus_tcp_accept - accept a new connection on a TCP Modbus socket
7 (IPv4)
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10 int modbus_tcp_accept(modbus_t *ctx, int *'s);
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13 The modbus_tcp_accept() function shall extract the first connection on
14 the queue of pending connections, create a new socket and store it in
15 libmodbus context given in argument. If available, accept4() with
16 SOCK_CLOEXEC will be called instead of accept().
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19 The function shall return a new socket if successful. Otherwise it
20 shall return -1 and set errno.
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23 For detailed example, see unit-test-server.c source file in tests
24 directory.
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26 ...
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28 ctx = modbus_new_tcp("127.0.0.1", 502);
29 s = modbus_tcp_listen(ctx, 1);
30 modbus_tcp_accept(ctx, &s);
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32 ...
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34 close(s)
35 modbus_free(ctx);
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38 modbus_tcp_pi_accept(3) modbus_tcp_listen(3) modbus_tcp_pi_listen(3)
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41 The libmodbus documentation was written by Stéphane Raimbault
42 <stephane.raimbault@gmail.com>
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46libmodbus v3.1.6 02/04/2022 MODBUS_TCP_ACCEPT(3)