modbus_tcp_pi_accept - Man Page

int modbus_tcp_pi_accept(modbus_t *ctx, int *'s);

The modbus_tcp_pi_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().

The function shall return a new socket if successful. Otherwise it shall return -1 and set errno.

For detailed example, see unit-test-server.c source file in tests directory.

...

ctx = modbus_new_tcp_pi("::0", 502);
s = modbus_tcp_pi_listen(ctx, 1);
modbus_tcp_pi_accept(ctx, &s);

...

close(s)
modbus_free(ctx);

modbus_tcp_pi_accept(3) modbus_tcp_listen(3) modbus_tcp_pi_listen(3)

The libmodbus documentation was written by Stéphane Raimbault <stephane.raimbault@gmail.com>

modbus_tcp_accept(3), modbus_tcp_pi_listen(3).