#include "gnushogi.h"
#include "cursesdsp.h"
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#if HAVE_SYS_FILIO_H
+/* Definition of FIONREAD */
+#include <sys/filio.h>
+#endif
+
+#if HAVE_ERRNO_H
+/* Definition of errno(). */
+#include <errno.h>
+#endif
+
#define FLUSH_SCANW fflush(stdout), scanw
int mycnt1, mycnt2;
}
}
+
+/*
+ * Determine the time that has passed since the search was started. If the
+ * elapsed time exceeds the target(ResponseTime + ExtraTime) then set timeout
+ * to true which will terminate the search.
+ * iop = COMPUTE_MODE calculate et, bump ETnodes
+ * iop = COMPUTE_AND_INIT_MODE calculate et, set timeout if time exceeded,
+ * set reference time
+ */
+void
+Curses_ElapsedTime(ElapsedTime_mode iop)
+{
+ long current_time;
+ int i;
+ int nchar;
+
+#ifdef HAVE_GETTIMEOFDAY
+ struct timeval tv;
+#endif
+
+ if ((i = ioctl((int) 0, FIONREAD, &nchar)))
+ {
+ perror("FIONREAD");
+ fprintf(stderr,
+ "You probably have a non-ANSI <ioctl.h>; "
+ "see README. %d %d %x\n",
+ i, errno, FIONREAD);
+ exit(1);
+ }
+
+ if (nchar)
+ {
+ if (!flag.timeout)
+ flag.back = true;
+
+ flag.bothsides = false;
+ }
+
+#ifdef HAVE_GETTIMEOFDAY
+ gettimeofday(&tv, NULL);
+ current_time = tv.tv_sec*100 + (tv.tv_usec/10000);
+#else
+ et = ((current_time = time((long *) 0)) - time0) * 100;
+#endif
+
+#ifdef INTERRUPT_TEST
+ if (iop == INIT_INTERRUPT_MODE)
+ {
+ itime0 = current_time;
+ }
+ else if (iop == COMPUTE_INTERRUPT_MODE)
+ {
+ it = current_time - itime0;
+ }
+ else
+#endif
+ {
+#ifdef HAVE_GETTIMEOFDAY
+ et = current_time - time0;
+#endif
+ ETnodes = NodeCnt + znodes;
+
+ if (et < 0)
+ {
+#ifdef INTERRUPT_TEST
+ printf("elapsed time %ld not positive\n", et);
+#endif
+ et = 0;
+ }
+
+ if (iop == COMPUTE_AND_INIT_MODE)
+ {
+ if ((et > (ResponseTime + ExtraTime)) && (Sdepth > MINDEPTH))
+ flag.timeout = true;
+
+ time0 = current_time;
+ }
+
+ if (!NOT_CURSES)
+ {
+#ifdef QUIETBACKGROUND
+ if (!background)
+#endif
+ UpdateClocks();
+ }
+ }
+}