7 modbus_set_socket - set socket of the context
12 *int modbus_set_socket(modbus_t *'ctx', int 's');*
17 The *modbus_set_socket()* function shall set the socket or file descriptor in
18 the libmodbus context. This function is useful for managing multiple client
19 connections to the same server.
24 The function shall return 0 if successful. Otherwise it shall return -1 and set errno.
31 ctx = modbus_new_tcp("127.0.0.1", 1502);
32 server_socket = modbus_tcp_listen(ctx, NB_CONNECTION);
35 FD_SET(server_socket, &rdset);
39 if (FD_ISSET(master_socket, &rdset)) {
40 modbus_set_socket(ctx, master_socket);
41 rc = modbus_receive(ctx, query);
43 modbus_reply(ctx, query, rc, mb_mapping);
50 linkmb:modbus_get_socket[3]
55 The libmodbus documentation was written by Stéphane Raimbault
56 <stephane.raimbault@gmail.com>