Merge remote-tracking branch 'upstream/v0.12' into merge-0-10-into-0-12

1 files changed, 37 insertions, 0 deletions

diff --git a/lib/fs.js b/lib/fs.js
index 7731f244b..a5eb5351a 100644
--- a/lib/fs.js
+++ b/lib/fs.js
@@ -50,6 +50,10 @@ var O_RDWR = constants.O_RDWR || 0;
 var O_SYNC = constants.O_SYNC || 0;
 var O_TRUNC = constants.O_TRUNC || 0;
 var O_WRONLY = constants.O_WRONLY || 0;
+var F_OK = constants.F_OK || 0;
+var R_OK = constants.R_OK || 0;
+var W_OK = constants.W_OK || 0;
+var X_OK = constants.X_OK || 0;
 
 var isWindows = process.platform === 'win32';
 
@@ -182,6 +186,39 @@ fs.Stats.prototype.isSocket = function() {
   return this._checkModeProperty(constants.S_IFSOCK);
 };
 
+fs.F_OK = F_OK;
+fs.R_OK = R_OK;
+fs.W_OK = W_OK;
+fs.X_OK = X_OK;
+
+fs.access = function(path, mode, callback) {
+  if (!nullCheck(path, callback))
+    return;
+
+  if (typeof mode === 'function') {
+    callback = mode;
+    mode = F_OK;
+  } else if (typeof callback !== 'function') {
+    throw new TypeError('callback must be a function');
+  }
+
+  mode = mode | 0;
+  var req = new FSReqWrap();
+  req.oncomplete = makeCallback(callback);
+  binding.access(pathModule._makeLong(path), mode, req);
+};
+
+fs.accessSync = function(path, mode) {
+  nullCheck(path);
+
+  if (mode === undefined)
+    mode = F_OK;
+  else
+    mode = mode | 0;
+
+  binding.access(pathModule._makeLong(path), mode);
+};
+
 fs.exists = function(path, callback) {
   if (!nullCheck(path, cb)) return;
   var req = new FSReqWrap();