- Add support to interrupt a running isolate

runtime/bin/dbg_connection.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef BIN_DBG_CONNECTION_H_
 #define BIN_DBG_CONNECTION_H_
 
 #include "bin/builtin.h"
 #include "bin/utils.h"
 
 #include "include/dart_debugger_api.h"
 
 #include "platform/globals.h"
 #include "platform/json.h"
 #include "platform/thread.h"
 // Declare the OS-specific types ahead of defining the generic class.
 #if defined(TARGET_OS_ANDROID)
 #include "bin/dbg_connection_android.h"
 #elif defined(TARGET_OS_LINUX)
 #include "bin/dbg_connection_linux.h"
 #elif defined(TARGET_OS_MACOS)
 #include "bin/dbg_connection_macos.h"
 #elif defined(TARGET_OS_WINDOWS)
 #include "bin/dbg_connection_win.h"
 #else
 #error Unknown target os.
 #endif
 
 
+// Forward declarations.
+class DbgMessage;
 class MessageBuffer;
 
+
 class DebuggerConnectionHandler {
  public:
   explicit DebuggerConnectionHandler(int debug_fd);
   ~DebuggerConnectionHandler();
 
   // Accessors.
   int debug_fd() const { return debug_fd_; }
 
   // Return message id of current debug command message.
   int MessageId();
@@ skipping 27 matching lines @@
   // Buffer holding the messages received over the wire from the debugger
   // front end..
   MessageBuffer* msgbuf_;
 
   // Accepts connection requests from debugger client and sets up a
   // connection handler object to read and handle messages from the client.
   static void AcceptDbgConnection(int debug_fd);
 
   // Handlers for generic debug command messages which are not specific to
   // an isolate.
-  static void HandleInterruptCmd(DebuggerConnectionHandler* handler);
-  static void HandleIsolatesListCmd(DebuggerConnectionHandler* handler);
-  static void HandleQuitCmd(DebuggerConnectionHandler* handler);
+  static void HandleInterruptCmd(DbgMessage* msg);
+  static void HandleIsolatesListCmd(DbgMessage* msg);
 
   // Helper methods to manage debugger client connections.
   static void AddNewDebuggerConnection(int debug_fd);
   static void RemoveDebuggerConnection(int debug_fd);
   static DebuggerConnectionHandler* GetDebuggerConnectionHandler(int debug_fd);
   static bool IsConnected();
 
   // Helper method for sending messages back to a debugger client.
   static void SendMsgHelper(int debug_fd, dart::TextBuffer* msg);
 
   // mutex/condition variable used by isolates when writing back to the
   // debugger. This is also used to ensure that the isolate waits for
   // a debugger to be attached when that is requested on the command line.
   static dart::Monitor handler_lock_;
 
   // The socket that is listening for incoming debugger connections.
   // This descriptor is created and closed by a native thread.
   static int listener_fd_;
 
   friend class DebuggerConnectionImpl;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(DebuggerConnectionHandler);
 };
 
 #endif  // BIN_DBG_CONNECTION_H_