curl_multi_diff.rb

#Curl Multi 0.4.6.0

    if (rb_block_given_p()) {
      rb_yield(self);
    }

    tv.tv_sec = timeout / 1000;
    tv.tv_usec = (timeout * 1000) % 1000000;

    rc = rb_thread_select(maxfd+1, &fdread, &fdwrite, &fdexcep, &tv);
    if (rc < 0) {
      rb_raise(rb_eRuntimeError, "select(): %s", strerror(errno));
    }
    # multi_run with read
    rb_curl_multi_run( self, rbcm->handle, &(rbcm->running) );


#Curl Multi ( master )

    rc = rb_thread_select(maxfd+1, &fdread, &fdwrite, &fdexcep, &tv);
    switch(rc) {
      case -1:
        rb_raise(rb_eRuntimeError, "select(): %s", strerror(errno));
        break;
      case 0:
        if (block != Qnil) {
          rb_funcall(block, rb_intern("call"), 1, self); 
        }
        rb_curl_multi_read_info( self, rbcm->handle );
      default: 
        # multi run without read
        rb_curl_multi_run( self, rbcm->handle, &(rbcm->running) );
        break;
      }
    }
    rb_curl_multi_read_info( self, rbcm->handle );