uv_fs_opendir for win32

gistfile1.diff

diff --git a/include/uv.h b/include/uv.h
index 601a7f1..86516a9 100644
--- a/include/uv.h
+++ b/include/uv.h
@@ -1045,6 +1045,7 @@ typedef enum {
 
 struct uv_dir_s {
   UV_HANDLE_FIELDS
+  int dir_flags;
   UV_DIR_PRIVATE_FIELDS
 };
 
@@ -1121,14 +1122,15 @@ UV_EXTERN int uv_fs_scandir_next(uv_fs_t* req,
  */
 #define UV_DIR_FLAGS_NONE 0
 
-/* uv_fs_{open,readdir} are not yet implemented on Windows */
-#ifndef _WIN32
+
 UV_EXTERN int uv_fs_opendir(uv_loop_t* loop,
                             uv_fs_t* req,
                             uv_dir_t* dirh,
                             const char* path,
                             int flags,
                             uv_fs_cb cb);
+#ifndef _WIN32
+/* uv_fs_readdir is not yet implemented on Windows */
 UV_EXTERN int uv_fs_readdir(uv_loop_t* loop,
                             uv_fs_t* req,
                             uv_dir_t* dirh,
diff --git a/src/unix/fs.c b/src/unix/fs.c
index 2687cdb..6de3214 100644
--- a/src/unix/fs.c
+++ b/src/unix/fs.c
@@ -1155,7 +1155,7 @@ int uv_fs_opendir(uv_loop_t* loop,
 
   uv__handle_init(loop, dirh, UV_DIR);
 
-  req->flags = flags;
+  dirh->dir_flags = flags;
 
   dirh->dir = NULL;
   req->dir_handle = dirh;
diff --git a/src/win/fs.c b/src/win/fs.c
index 4c319db..f4719f8 100644
--- a/src/win/fs.c
+++ b/src/win/fs.c
@@ -1861,6 +1861,32 @@ int uv_fs_scandir(uv_loop_t* loop, uv_fs_t* req, const char* path, int flags,
   }
 }
 
+int uv_fs_opendir(uv_loop_t* loop,
+                  uv_fs_t* req,
+                  uv_dir_t* dirh,
+                  const char* path,
+                  int flags,
+                  uv_fs_cb cb) {
+  int err;
+
+  uv_fs_req_init(loop, req, UV_FS_OPENDIR, cb);
+
+  err = fs__capture_path(loopm req, path, NULL, cb != NULL);
+  if (err) {
+    return uv_translate_sys_error(err);
+  }
+
+  dirh->dir_flags = flags;
+
+  if (cb) {
+    QUEUE_FS_TP_JOB(loop, req);
+    return 0;
+  } else {
+    fs__opendir(req);
+    return req->result;
+  }
+}
+
 
 int uv_fs_link(uv_loop_t* loop, uv_fs_t* req, const char* path,
     const char* new_path, uv_fs_cb cb) {