X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=gnushogi%2Frawdsp.c;h=e71877d4bbb903ee16e38ed234dfdc234c09faa7;hb=d23b84fee73518dfb6b281d1eaedbe4fc4aa34b2;hp=42ca0713ea18d5fa5c837198dffd9578f2051eb5;hpb=303e8deb5d11ae84a88acb76329f0ab75274101a;p=gnushogi.git

diff --git a/gnushogi/rawdsp.c b/gnushogi/rawdsp.c
index 42ca071..e71877d 100644
--- a/gnushogi/rawdsp.c
+++ b/gnushogi/rawdsp.c
@@ -35,6 +35,8 @@
 #include <sys/param.h>
 #include <sys/types.h>
 #include <sys/file.h>
+#include <poll.h>
+#include <unistd.h>
 
 #include "gnushogi.h"
 #include "rawdsp.h"
@@ -123,23 +125,17 @@ Raw_ShowMessage(char *s)
 
 
 void
-Raw_AlwaysShowMessage(const char *format, ...)
+Raw_AlwaysShowMessage(const char *format, va_list ap)
 {
-    va_list ap;
-    va_start(ap, format);
     vprintf(format, ap);
-    va_end(ap);
     printf("\n");
 }
 
 
 void
-Raw_Printf(const char *format, ...)
+Raw_Printf(const char *format, va_list ap)
 {
-    va_list ap;
-    va_start(ap, format);
     vprintf(format, ap);
-    va_end(ap);
 }
 
 
@@ -472,7 +468,7 @@ Raw_EditBoard(void)
  * first line. White pieces are  represented  by  uppercase characters.
  */
 void
-SetupBoard(void)
+Raw_SetupBoard(void)
 {
     short r, c, sq, i;
     char ch;
@@ -633,6 +629,12 @@ Raw_OutputMove(void)
 
 
 void
+Raw_UpdateClocks(void)
+{
+}
+
+
+void
 Raw_UpdateDisplay(short f, short t, short redraw, short isspec)
 {
 
@@ -987,3 +989,87 @@ Raw_ShowPostnValues(void)
            mtl[opponent], pscore[opponent], GameType[opponent]);
     printf("\nhung black %d hung white %d\n", hung[black], hung[white]);
 }
+
+
+void
+Raw_PollForInput(void)
+{
+    static struct pollfd pollfds[1] = { /* [0] = */ { /* .fd = */ STDIN_FILENO,
+                                                      /* .events = */ POLLIN } };
+    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;
+    }
+}
+
+
+/*
+ * 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
+Raw_ElapsedTime(ElapsedTime_mode iop)
+{
+    long current_time;
+#ifdef HAVE_GETTIMEOFDAY
+    struct timeval tv;
+#endif
+
+    PollForInput();
+
+#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;
+        }
+
+#ifdef QUIETBACKGROUND
+        if (!background)
+#endif
+            UpdateClocks();
+    }
+}