Method: Nmsg::Socket#get_sysfd

Defined in:
ext/nmsg/rubyext.c

#get_sysfd ⇒ Object 



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# File 'ext/nmsg/rubyext.c', line 252

VALUE rb_socket_get_sysfd(VALUE self) {
    GET_SOCKET(self);

    int optval;
    size_t optval_len = sizeof(int);
    const int res = nn_getsockopt(S->fd, NN_SOL_SOCKET, NN_RCVFD, (void *)&optval, &optval_len);
    return INT2NUM((res == 0) ? optval : -1);
}