is-tty.diff

diff --git a/include/uv.h b/include/uv.h
index bf7e88a..4741616 100644
--- a/include/uv.h
+++ b/include/uv.h
@@ -600,6 +600,11 @@ struct uv_tty_s {
   UV_TTY_PRIVATE_FIELDS
 };
 
+/*
+ * Returns 1 if file is associated with a Console/TTY 0 otherwise.
+ */
+int uv_is_tty(uv_file file);
+
 int uv_tty_init(uv_loop_t*, uv_tty_t*, uv_file fd);
 
 /*
diff --git a/src/unix/tty.c b/src/unix/tty.c
index 3ceeb5f..9de7dd9 100644
--- a/src/unix/tty.c
+++ b/src/unix/tty.c
@@ -67,3 +67,7 @@ fatal:
   return -1;
 }
 
+
+int uv_is_tty(uv_file file) {
+  return isatty(file);
+}
diff --git a/src/win/tty.c b/src/win/tty.c
index 5498eec..c451a99 100644
--- a/src/win/tty.c
+++ b/src/win/tty.c
@@ -35,3 +35,10 @@ int uv_tty_set_mode(uv_tty_t* tty, int mode) {
   assert(0 && "implement me");
   return -1;
 }
+
+
+int uv_is_tty(uv_file file) {
+  DWORD result;
+  int r = GetConsoleMode((HANDLE)_get_osfhandle(file), &result);
+  return r ? 1 : 0;
+}
diff --git a/test/test-list.h b/test/test-list.h
index 5f1100c..168a6ef 100644
--- a/test/test-list.h
+++ b/test/test-list.h
@@ -19,6 +19,7 @@
  * IN THE SOFTWARE.
  */
 
+TEST_DECLARE   (tty)
 TEST_DECLARE   (tcp_ping_pong)
 TEST_DECLARE   (tcp_ping_pong_v6)
 TEST_DECLARE   (pipe_ping_pong)
@@ -97,6 +98,8 @@ HELPER_DECLARE (pipe_echo_server)
 
 
 TASK_LIST_START
+  TEST_ENTRY  (tty)
+
   TEST_ENTRY  (tcp_ping_pong)
   TEST_HELPER (tcp_ping_pong, tcp4_echo_server)