* configure.ac src/time.c:

+ Look for Sleep in -lkernel32.
  * examples/cacaview.c:
    + Use caca_wait_event() instead of usleep()/caca_get_event().

configure.ac

@@ -29,7 +29,13 @@ AC_ARG_ENABLE(x11,
   [  --enable-x11            X11 support (autodetected)])
 
 AC_CHECK_HEADERS(inttypes.h endian.h)
-AC_CHECK_FUNCS(vsnprintf getenv putenv strcasecmp usleep Sleep gettimeofday)
+AC_CHECK_FUNCS(vsnprintf getenv putenv strcasecmp usleep gettimeofday)
+case "${target_os}" in
+  *mingw32*|*cygwin*)
+    AC_CHECK_LIB(kernel32, Sleep,
+                 [AC_DEFINE(HAVE_KERNEL32_SLEEP, 1, [Define if you have Windows' Sleep])])
+    ;;
+esac
 AC_CHECK_LIB(m, sin, MATH_LIBS="${MATH_LIBS} -lm")
 
 CACA_DRIVERS="" 

examples/cacaview.c

@@ -114,7 +114,12 @@ int main(int argc, char **argv)
 
         unsigned int event, new_status = 0, new_help = 0;
 
-        while((event = caca_get_event(CACA_EVENT_KEY_PRESS)))
+        if(update)
+            event = caca_get_event(CACA_EVENT_KEY_PRESS);
+        else
+            event = caca_wait_event(CACA_EVENT_KEY_PRESS);
+
+        while(event)
         {
             unsigned int key = event & 0x00ffffff;
 
@@ -229,6 +234,8 @@ int main(int argc, char **argv)
 
             if(help || new_help)
                 help = new_help;
+
+            event = caca_get_event(CACA_EVENT_KEY_PRESS);
         }
 
         if(items && reload)
@@ -258,16 +265,6 @@ int main(int argc, char **argv)
             free(buffer);
         }
 
-        if(!update)
-        {
-#if defined(HAVE_USLEEP)
-            usleep(10000);
-#elif defined(HAVE_SLEEP)
-            Sleep(10);
-#endif
-            continue;
-        }
-
         caca_clear();
 
         if(!items)

src/time.c

@@ -46,7 +46,7 @@ void _caca_sleep(unsigned int usec)
 {
 #if defined(HAVE_USLEEP)
         usleep(usec);
-#elif defined(HAVE_SLEEP)
+#elif defined(HAVE_KERNEL32_SLEEP)
         Sleep(usec / 1000);
 #else
         SLEEP