Make PPAPI test servers start in parallel

net/test/local_test_server.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_TEST_LOCAL_TEST_SERVER_H_
 #define NET_TEST_LOCAL_TEST_SERVER_H_
 
 #include <string>
 
 #include "base/file_util.h"
@@ skipping 19 matching lines @@
                   const FilePath& document_root);
 
   // Initialize a TestServer with a specific set of SSLOptions.
   // |document_root| must be a relative path under the root tree.
   LocalTestServer(Type type,
                   const SSLOptions& ssl_options,
                   const FilePath& document_root);
 
   virtual ~LocalTestServer();
 
+  // Start the test server and block until it's ready. Returns true on success.
   bool Start() WARN_UNUSED_RESULT;
 
+  // Start the test server without blocking. Use this if you need multiple test
+  // servers (such as WebSockets and HTTP, or HTTP and HTTPS). You must call
+  // BlockUntilStarted on all servers your test requires before executing the
+  // test. For example:
+  //
+  //   // Start the servers in parallel.
+  //   ASSERT_TRUE(http_server.StartInBackground());
+  //   ASSERT_TRUE(websocket_server.StartInBackground());
+  //   // Wait for both servers to be ready.
+  //   ASSERT_TRUE(http_server.BlockUntilStarted());
+  //   ASSERT_TRUE(websocket_server.BlockUntilStarted());
+  //   RunMyTest();
+  //
+  // Returns true on success.
+  bool StartInBackground() WARN_UNUSED_RESULT;
+
+  // Block until ths test server is ready. Returns true on success. See
+  // StartInBackground() documentation for more information.
+  bool BlockUntilStarted() WARN_UNUSED_RESULT;
+
   // Stop the server started by Start().
   bool Stop();
 
   // Modify PYTHONPATH to contain libraries we need.
   virtual bool SetPythonPath() const WARN_UNUSED_RESULT;
 
   // Returns true if the FilePath for the testserver python script is
   // successfully stored  in |*testserver_path|.
   virtual bool GetTestServerPath(FilePath* testserver_path) const
       WARN_UNUSED_RESULT;
@@ skipping 35 matching lines @@
   int child_fd_;
   file_util::ScopedFD child_fd_closer_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(LocalTestServer);
 };
 
 }  // namespace net
 
 #endif  // NET_TEST_LOCAL_TEST_SERVER_H_