*
* GNU Shogi is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 1, or (at your option) any
- * later version.
+ * Free Software Foundation; either version 3 of the License,
+ * or (at your option) any later version.
*
* GNU Shogi is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* for more details.
*
* You should have received a copy of the GNU General Public License along
- * with GNU Shogi; see the file COPYING. If not, write to the Free
- * Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ * with GNU Shogi; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
* ----------------------------------------------------------------------
*
*/
#include "gnushogi.h"
-
-#if !defined OLDTIME && defined HAVE_GETTIMEOFDAY
-double pow(double x, double y);
-#endif
+#include <poll.h>
+#include <unistd.h>
short background = 0;
static short DepthBeyond;
}
else
{
+ background = false; /* [HGM] with ponder on we did not switch back to foreground mode??? */
player = side;
SetResponseTime(side);
}
short best = -(SCORE_LIMIT + 3000);
short bestwidth = 0;
short mustcut;
+ static struct pollfd pollfds[1] = { /* [0] = */ { /* .fd = */ STDIN_FILENO,
+ /* .events = */ POLLIN } };
#ifdef NULLMOVE
short PVsave;
{
ElapsedTime(COMPUTE_MODE);
+ if(background) {
+ int cnt = poll(pollfds, sizeof(pollfds)/sizeof(pollfds[0]), 0);
+ if (cnt < 0) {
+ perror("polling standard input");
+ ExitShogi();
+ }
+ if (cnt) { /* if anything to read, or error occured */
+ if (!flag.timeout)
+ flag.back = true; /* previous: flag.timeout = true; */
+ flag.bothsides = false;
+ }
+ }
+
if (flag.back)
{
flag.back = false;
MakeMove(side, node, &tempb, &tempc, &tempsf,
&tempst, &INCscore);
- CptrFlag[ply] = (node->flags & capture);
+ CptrFlag[ply] = ((node->flags & capture) != 0);
TesujiFlag[ply] = (node->flags & tesuji)
&& (node->flags & dropmask);
Tscore[ply] = node->score;