Fix UNIX pipe connect error reporting, add test

src/unix/pipe.c

@@ -209,7 +209,7 @@ int uv_pipe_connect(uv_connect_t* req,
   while (r == -1 && errno == EINTR);
 
   if (r == -1) {
-    uv__set_sys_error(handle->loop, errno);
+    status = errno;
     uv__close(sockfd);
     goto out;
   }

test/test-list.h

@@ -55,6 +55,7 @@ TEST_DECLARE   (pipe_bind_error_addrinuse)
 TEST_DECLARE   (pipe_bind_error_addrnotavail)
 TEST_DECLARE   (pipe_bind_error_inval)
 TEST_DECLARE   (pipe_listen_without_bind)
+TEST_DECLARE   (pipe_connect_bad_name)
 TEST_DECLARE   (connection_fail)
 TEST_DECLARE   (connection_fail_doesnt_auto_close)
 TEST_DECLARE   (shutdown_eof)
@@ -124,6 +125,8 @@ HELPER_DECLARE (pipe_echo_server)
 
 
 TASK_LIST_START
+  TEST_ENTRY  (pipe_connect_bad_name)
+
   TEST_ENTRY  (tty)
   TEST_ENTRY  (stdio_over_pipes)
   TEST_ENTRY  (ipc_listen_before_write)

test/test-pipe-connect-error.c

@@ -0,0 +1,69 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "task.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+
+#ifdef _WIN32
+# define BAD_PIPENAME "bad-pipe"
+#else
+# define BAD_PIPENAME "/path/to/unix/socket/that/really/should/not/be/there"
+#endif
+
+
+static int close_cb_called = 0;
+static int connect_cb_called = 0;
+
+
+static void close_cb(uv_handle_t* handle) {
+  ASSERT(handle != NULL);
+  close_cb_called++;
+}
+
+
+static void connect_cb(uv_connect_t* connect_req, int status) {
+  ASSERT(status == -1);
+  ASSERT(uv_last_error(uv_default_loop()).code == UV_ENOENT);
+  uv_close((uv_handle_t*)connect_req->handle, close_cb);
+  connect_cb_called++;
+}
+
+
+TEST_IMPL(pipe_connect_bad_name) {
+  uv_pipe_t client;
+  uv_connect_t req;
+  int r;
+
+  r = uv_pipe_init(uv_default_loop(), &client, 0);
+  ASSERT(r == 0);
+  uv_pipe_connect(&req, &client, BAD_PIPENAME, connect_cb);
+  ASSERT(r == 0);
+
+  uv_run(uv_default_loop());
+
+  ASSERT(close_cb_called == 1);
+  ASSERT(connect_cb_called == 1);
+
+  return 0;
+}

uv.gyp

@@ -296,6 +296,7 @@
         'test/test-pass-always.c',
         'test/test-ping-pong.c',
         'test/test-pipe-bind-error.c',
+        'test/test-pipe-connect-error.c',
         'test/test-ref.c',
         'test/test-shutdown-eof.c',
         'test/test-spawn.c',