modbus_set_socket(3) ==================== NAME ---- modbus_set_socket - set socket of the context SYNOPSIS -------- *int modbus_set_socket(modbus_t *'ctx', int 's');* DESCRIPTION ----------- The *modbus_set_socket()* function shall set the socket or file descriptor in the libmodbus context. This function is useful for managing multiple client connections to the same server. RETURN VALUE ------------ The function shall return 0 if successful. Otherwise it shall return -1 and set errno. EXAMPLE ------- [source,c] ------------------- ctx = modbus_new_tcp("127.0.0.1", 1502); server_socket = modbus_tcp_listen(ctx, NB_CONNECTION); FD_ZERO(&rdset); FD_SET(server_socket, &rdset); /* .... */ if (FD_ISSET(master_socket, &rdset)) { modbus_set_socket(ctx, master_socket); rc = modbus_receive(ctx, query); if (rc != -1) { modbus_reply(ctx, query, rc, mb_mapping); } } ------------------- SEE ALSO -------- linkmb:modbus_get_socket[3] AUTHORS ------- The libmodbus documentation was written by Stéphane Raimbault