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modbus_tcp_accept() modbus_tcp_accept() Name modbus_tcp_accept - accept a new connection on a TCP Modbus socket (IPv4) Synopsis int modbus_tcp_accept(modbus_t *ctx, int *s); Description The modbus_tcp_accept() 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, accept4() with SOCK_CLOEXEC will be called instead of accept(). Return value The function shall return a new socket if successful. Otherwise it shall return -1 and set errno. Example For detailed example, see unit-test-server.c source file in tests direc- tory. ... 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); See also * modbus_tcp_pi_accept <modbus_tcp_pi_accept.md> * modbus_tcp_listen <modbus_tcp_listen.md> * modbus_tcp_pi_listen <modbus_tcp_pi_listen.md> modbus_tcp_accept()
Name | Synopsis | Description | Return value | Example | See also
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