1 files changed, 0 insertions, 245 deletions
diff --git a/mojo/edk/system/dispatcher.h b/mojo/edk/system/dispatcher.h
deleted file mode 100644
index db1f1f1..0000000
--- a/mojo/edk/system/dispatcher.h
+++ /dev/null
@@ -1,245 +0,0 @@
-// 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 MOJO_EDK_SYSTEM_DISPATCHER_H_
-#define MOJO_EDK_SYSTEM_DISPATCHER_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <memory>
-#include <ostream>
-#include <vector>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/synchronization/lock.h"
-#include "mojo/edk/embedder/platform_handle.h"
-#include "mojo/edk/embedder/platform_shared_buffer.h"
-#include "mojo/edk/system/handle_signals_state.h"
-#include "mojo/edk/system/ports/name.h"
-#include "mojo/edk/system/system_impl_export.h"
-#include "mojo/edk/system/watch.h"
-#include "mojo/public/c/system/buffer.h"
-#include "mojo/public/c/system/data_pipe.h"
-#include "mojo/public/c/system/message_pipe.h"
-#include "mojo/public/c/system/types.h"
-
-namespace mojo {
-namespace edk {
-
-class Dispatcher;
-class MessageForTransit;
-
-using DispatcherVector = std::vector<scoped_refptr<Dispatcher>>;
-
-// A |Dispatcher| implements Mojo EDK calls that are associated with a
-// particular MojoHandle.
-class MOJO_SYSTEM_IMPL_EXPORT Dispatcher
-    : public base::RefCountedThreadSafe<Dispatcher> {
- public:
-  struct DispatcherInTransit {
-    DispatcherInTransit();
-    DispatcherInTransit(const DispatcherInTransit& other);
-    ~DispatcherInTransit();
-
-    scoped_refptr<Dispatcher> dispatcher;
-    MojoHandle local_handle;
-  };
-
-  enum class Type {
-    UNKNOWN = 0,
-    MESSAGE_PIPE,
-    DATA_PIPE_PRODUCER,
-    DATA_PIPE_CONSUMER,
-    SHARED_BUFFER,
-    WATCHER,
-
-    // "Private" types (not exposed via the public interface):
-    PLATFORM_HANDLE = -1,
-  };
-
-  // All Dispatchers must minimally implement these methods.
-
-  virtual Type GetType() const = 0;
-  virtual MojoResult Close() = 0;
-
-  ///////////// Watcher API ////////////////////
-
-  virtual MojoResult WatchDispatcher(scoped_refptr<Dispatcher> dispatcher,
-                                     MojoHandleSignals signals,
-                                     uintptr_t context);
-  virtual MojoResult CancelWatch(uintptr_t context);
-  virtual MojoResult Arm(uint32_t* num_ready_contexts,
-                         uintptr_t* ready_contexts,
-                         MojoResult* ready_results,
-                         MojoHandleSignalsState* ready_signals_states);
-
-  ///////////// Message pipe API /////////////
-
-  virtual MojoResult WriteMessage(std::unique_ptr<MessageForTransit> message,
-                                  MojoWriteMessageFlags flags);
-
-  virtual MojoResult ReadMessage(std::unique_ptr<MessageForTransit>* message,
-                                 uint32_t* num_bytes,
-                                 MojoHandle* handles,
-                                 uint32_t* num_handles,
-                                 MojoReadMessageFlags flags,
-                                 bool read_any_size);
-
-  ///////////// Shared buffer API /////////////
-
-  // |options| may be null. |new_dispatcher| must not be null, but
-  // |*new_dispatcher| should be null (and will contain the dispatcher for the
-  // new handle on success).
-  virtual MojoResult DuplicateBufferHandle(
-      const MojoDuplicateBufferHandleOptions* options,
-      scoped_refptr<Dispatcher>* new_dispatcher);
-
-  virtual MojoResult MapBuffer(
-      uint64_t offset,
-      uint64_t num_bytes,
-      MojoMapBufferFlags flags,
-      std::unique_ptr<PlatformSharedBufferMapping>* mapping);
-
-  ///////////// Data pipe consumer API /////////////
-
-  virtual MojoResult ReadData(void* elements,
-                              uint32_t* num_bytes,
-                              MojoReadDataFlags flags);
-
-  virtual MojoResult BeginReadData(const void** buffer,
-                                   uint32_t* buffer_num_bytes,
-                                   MojoReadDataFlags flags);
-
-  virtual MojoResult EndReadData(uint32_t num_bytes_read);
-
-  ///////////// Data pipe producer API /////////////
-
-  virtual MojoResult WriteData(const void* elements,
-                               uint32_t* num_bytes,
-                               MojoWriteDataFlags flags);
-
-  virtual MojoResult BeginWriteData(void** buffer,
-                                    uint32_t* buffer_num_bytes,
-                                    MojoWriteDataFlags flags);
-
-  virtual MojoResult EndWriteData(uint32_t num_bytes_written);
-
-  ///////////// Wait set API /////////////
-
-  // Adds a dispatcher to wait on. When the dispatcher satisfies |signals|, it
-  // will be returned in the next call to |GetReadyDispatchers()|. If
-  // |dispatcher| has been added, it must be removed before adding again,
-  // otherwise |MOJO_RESULT_ALREADY_EXISTS| will be returned.
-  virtual MojoResult AddWaitingDispatcher(
-      const scoped_refptr<Dispatcher>& dispatcher,
-      MojoHandleSignals signals,
-      uintptr_t context);
-
-  // Removes a dispatcher to wait on. If |dispatcher| has not been added,
-  // |MOJO_RESULT_NOT_FOUND| will be returned.
-  virtual MojoResult RemoveWaitingDispatcher(
-      const scoped_refptr<Dispatcher>& dispatcher);
-
-  // Returns a set of ready dispatchers. |*count| is the maximum number of
-  // dispatchers to return, and will contain the number of dispatchers returned
-  // in |dispatchers| on completion.
-  virtual MojoResult GetReadyDispatchers(uint32_t* count,
-                                         DispatcherVector* dispatchers,
-                                         MojoResult* results,
-                                         uintptr_t* contexts);
-
-  ///////////// General-purpose API for all handle types /////////
-
-  // Gets the current handle signals state. (The default implementation simply
-  // returns a default-constructed |HandleSignalsState|, i.e., no signals
-  // satisfied or satisfiable.) Note: The state is subject to change from other
-  // threads.
-  virtual HandleSignalsState GetHandleSignalsState() const;
-
-  // Adds a WatcherDispatcher reference to this dispatcher, to be notified of
-  // all subsequent changes to handle state including signal changes or closure.
-  // The reference is associated with a |context| for disambiguation of
-  // removals.
-  virtual MojoResult AddWatcherRef(
-      const scoped_refptr<WatcherDispatcher>& watcher,
-      uintptr_t context);
-
-  // Removes a WatcherDispatcher reference from this dispatcher.
-  virtual MojoResult RemoveWatcherRef(WatcherDispatcher* watcher,
-                                      uintptr_t context);
-
-  // Informs the caller of the total serialized size (in bytes) and the total
-  // number of platform handles and ports needed to transfer this dispatcher
-  // across a message pipe.
-  //
-  // Must eventually be followed by a call to EndSerializeAndClose(). Note that
-  // StartSerialize() and EndSerialize() are always called in sequence, and
-  // only between calls to BeginTransit() and either (but not both)
-  // CompleteTransitAndClose() or CancelTransit().
-  //
-  // For this reason it is IMPERATIVE that the implementation ensure a
-  // consistent serializable state between BeginTransit() and
-  // CompleteTransitAndClose()/CancelTransit().
-  virtual void StartSerialize(uint32_t* num_bytes,
-                              uint32_t* num_ports,
-                              uint32_t* num_platform_handles);
-
-  // Serializes this dispatcher into |destination|, |ports|, and |handles|.
-  // Returns true iff successful, false otherwise. In either case the dispatcher
-  // will close.
-  //
-  // NOTE: Transit MAY still fail after this call returns. Implementations
-  // should not assume PlatformHandle ownership has transferred until
-  // CompleteTransitAndClose() is called. In other words, if CancelTransit() is
-  // called, the implementation should retain its PlatformHandles in working
-  // condition.
-  virtual bool EndSerialize(void* destination,
-                            ports::PortName* ports,
-                            PlatformHandle* handles);
-
-  // Does whatever is necessary to begin transit of the dispatcher.  This
-  // should return |true| if transit is OK, or false if the underlying resource
-  // is deemed busy by the implementation.
-  virtual bool BeginTransit();
-
-  // Does whatever is necessary to complete transit of the dispatcher, including
-  // closure. This is only called upon successfully transmitting an outgoing
-  // message containing this serialized dispatcher.
-  virtual void CompleteTransitAndClose();
-
-  // Does whatever is necessary to cancel transit of the dispatcher. The
-  // dispatcher should remain in a working state and resume normal operation.
-  virtual void CancelTransit();
-
-  // Deserializes a specific dispatcher type from an incoming message.
-  static scoped_refptr<Dispatcher> Deserialize(
-      Type type,
-      const void* bytes,
-      size_t num_bytes,
-      const ports::PortName* ports,
-      size_t num_ports,
-      PlatformHandle* platform_handles,
-      size_t num_platform_handles);
-
- protected:
-  friend class base::RefCountedThreadSafe<Dispatcher>;
-
-  Dispatcher();
-  virtual ~Dispatcher();
-
-  DISALLOW_COPY_AND_ASSIGN(Dispatcher);
-};
-
-// So logging macros and |DCHECK_EQ()|, etc. work.
-MOJO_SYSTEM_IMPL_EXPORT inline std::ostream& operator<<(std::ostream& out,
-                                                        Dispatcher::Type type) {
-  return out << static_cast<int>(type);
-}
-
-}  // namespace edk
-}  // namespace mojo
-
-#endif  // MOJO_EDK_SYSTEM_DISPATCHER_H_