1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_SANDBOX_HOST_LINUX_H_ 6 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_SANDBOX_HOST_LINUX_H_ 7 8 #include <string> 9 10 #include "base/logging.h" 11 #include "base/memory/scoped_ptr.h" 12 #include "base/threading/simple_thread.h" 13 #include "content/browser/renderer_host/sandbox_ipc_linux.h" 14 #include "content/common/content_export.h" 15 16 template <typename T> struct DefaultSingletonTraits; 17 18 namespace content { 19 20 // This is a singleton object which handles sandbox requests from the 21 // renderers. 22 class CONTENT_EXPORT RenderSandboxHostLinux { 23 public: 24 // Returns the singleton instance. 25 static RenderSandboxHostLinux* GetInstance(); 26 27 // Get the file descriptor which renderers should be given in order to signal 28 // crashes to the browser. GetRendererSocket()29 int GetRendererSocket() const { 30 DCHECK(initialized_); 31 return renderer_socket_; 32 } 33 void Init(); 34 35 private: 36 friend struct DefaultSingletonTraits<RenderSandboxHostLinux>; 37 // This object must be constructed on the main thread. 38 RenderSandboxHostLinux(); 39 ~RenderSandboxHostLinux(); 40 41 bool ShutdownIPCChannel(); 42 43 // Whether Init() has been called yet. 44 bool initialized_; 45 46 int renderer_socket_; 47 int childs_lifeline_fd_; 48 49 scoped_ptr<SandboxIPCHandler> ipc_handler_; 50 scoped_ptr<base::DelegateSimpleThread> ipc_thread_; 51 52 DISALLOW_COPY_AND_ASSIGN(RenderSandboxHostLinux); 53 }; 54 55 } // namespace content 56 57 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_SANDBOX_HOST_LINUX_H_ 58