Merge branch 'yjqww6-master'

original commit: 461bd944847bc9a1ff54a804fec450cd86969990

LOG

@@ -207,3 +207,5 @@
     c/Mf-*, c/Makefile.*nt
 - removed unnecessary datestamp.c target
     c/Mf.*nt
+- fixed unnessesary blocking in expeditor on Windows. 
+    c/expeditor.c

c/expeditor.c

@@ -73,6 +73,10 @@ static IBOOL s_ee_init_term(void) {
 static ptr s_ee_read_char(IBOOL blockp) {
   DWORD cNumRead;
   INPUT_RECORD irInBuf[1]; 
+#ifdef PTHREADS
+  ptr tc;
+#endif /* PTHREADS */
+  BOOL succ;
   static char buf[10];
   static int bufidx = 0;
   static int buflen = 0;
@@ -96,7 +100,21 @@ static ptr s_ee_read_char(IBOOL blockp) {
        if (NumberOfEvents == 0) return Sfalse;
     }
 
-    if (!ReadConsoleInput(hStdin, irInBuf, 1, &cNumRead))
+#ifdef PTHREADS
+    tc = get_thread_context();
+    if (DISABLECOUNT(tc) == FIX(0)) {
+        deactivate_thread(tc);
+        succ = ReadConsoleInput(hStdin, irInBuf, 1, &cNumRead);
+        reactivate_thread(tc);
+    } else {
+        succ = ReadConsoleInput(hStdin, irInBuf, 1, &cNumRead);
+    }
+#else /* PTHREADS */
+    succ = ReadConsoleInput(hStdin, irInBuf, 1, &cNumRead);
+#endif /* PTHREADS */
+
+
+    if (!succ)
       S_error1("expeditor", "error getting console info: ~a",
                  S_LastErrorString());