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Unified Diff: third_party/mojo/src/mojo/edk/system/message_pipe_dispatcher.h

Issue 1676913002: [mojo] Delete third_party/mojo (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: let's try that again Created 4 years, 10 months ago
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Index: third_party/mojo/src/mojo/edk/system/message_pipe_dispatcher.h
diff --git a/third_party/mojo/src/mojo/edk/system/message_pipe_dispatcher.h b/third_party/mojo/src/mojo/edk/system/message_pipe_dispatcher.h
deleted file mode 100644
index 7caa63125788a2bf820e69eef8dbd88aff02009e..0000000000000000000000000000000000000000
--- a/third_party/mojo/src/mojo/edk/system/message_pipe_dispatcher.h
+++ /dev/null
@@ -1,139 +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 THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_MESSAGE_PIPE_DISPATCHER_H_
-#define THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_MESSAGE_PIPE_DISPATCHER_H_
-
-#include "base/memory/ref_counted.h"
-#include "mojo/public/cpp/system/macros.h"
-#include "third_party/mojo/src/mojo/edk/system/dispatcher.h"
-#include "third_party/mojo/src/mojo/edk/system/memory.h"
-#include "third_party/mojo/src/mojo/edk/system/system_impl_export.h"
-
-namespace mojo {
-namespace system {
-
-class ChannelEndpoint;
-class MessagePipe;
-class MessagePipeDispatcherTransport;
-
-// This is the |Dispatcher| implementation for message pipes (created by the
-// Mojo primitive |MojoCreateMessagePipe()|). This class is thread-safe.
-class MOJO_SYSTEM_IMPL_EXPORT MessagePipeDispatcher final : public Dispatcher {
- public:
- // The default options to use for |MojoCreateMessagePipe()|. (Real uses
- // should obtain this via |ValidateCreateOptions()| with a null |in_options|;
- // this is exposed directly for testing convenience.)
- static const MojoCreateMessagePipeOptions kDefaultCreateOptions;
-
- static scoped_refptr<MessagePipeDispatcher> Create(
- const MojoCreateMessagePipeOptions& /*validated_options*/) {
- return make_scoped_refptr(new MessagePipeDispatcher());
- }
-
- // Validates and/or sets default options for |MojoCreateMessagePipeOptions|.
- // If non-null, |in_options| must point to a struct of at least
- // |in_options->struct_size| bytes. |out_options| must point to a (current)
- // |MojoCreateMessagePipeOptions| and will be entirely overwritten on success
- // (it may be partly overwritten on failure).
- static MojoResult ValidateCreateOptions(
- UserPointer<const MojoCreateMessagePipeOptions> in_options,
- MojoCreateMessagePipeOptions* out_options);
-
- // Must be called before any other methods. (This method is not thread-safe.)
- void Init(scoped_refptr<MessagePipe> message_pipe,
- unsigned port) MOJO_NOT_THREAD_SAFE;
-
- // |Dispatcher| public methods:
- Type GetType() const override;
-
- // Creates a |MessagePipe| with a local endpoint (at port 0) and a proxy
- // endpoint, and creates/initializes a |MessagePipeDispatcher| (attached to
- // the message pipe, port 0).
- // TODO(vtl): This currently uses |kDefaultCreateOptions|, which is okay since
- // there aren't any options, but eventually options should be plumbed through.
- static scoped_refptr<MessagePipeDispatcher> CreateRemoteMessagePipe(
- scoped_refptr<ChannelEndpoint>* channel_endpoint);
-
- // The "opposite" of |SerializeAndClose()|. (Typically this is called by
- // |Dispatcher::Deserialize()|.)
- static scoped_refptr<MessagePipeDispatcher> Deserialize(Channel* channel,
- const void* source,
- size_t size);
-
- private:
- friend class MessagePipeDispatcherTransport;
-
- MessagePipeDispatcher();
- ~MessagePipeDispatcher() override;
-
- // Gets a dumb pointer to |message_pipe_|. This must be called under the
- // |Dispatcher| lock (that it's a dumb pointer is okay since it's under lock).
- // This is needed when sending handles across processes, where nontrivial,
- // invasive work needs to be done.
- MessagePipe* GetMessagePipeNoLock() const;
- // Similarly for the port.
- unsigned GetPortNoLock() const;
-
- // |Dispatcher| protected methods:
- void CancelAllAwakablesNoLock() override;
- void CloseImplNoLock() override;
- scoped_refptr<Dispatcher> CreateEquivalentDispatcherAndCloseImplNoLock()
- override;
- MojoResult WriteMessageImplNoLock(
- UserPointer<const void> bytes,
- uint32_t num_bytes,
- std::vector<DispatcherTransport>* transports,
- MojoWriteMessageFlags flags) override;
- MojoResult ReadMessageImplNoLock(UserPointer<void> bytes,
- UserPointer<uint32_t> num_bytes,
- DispatcherVector* dispatchers,
- uint32_t* num_dispatchers,
- MojoReadMessageFlags flags) override;
- HandleSignalsState GetHandleSignalsStateImplNoLock() const override;
- MojoResult AddAwakableImplNoLock(Awakable* awakable,
- MojoHandleSignals signals,
- uintptr_t context,
- HandleSignalsState* signals_state) override;
- void RemoveAwakableImplNoLock(Awakable* awakable,
- HandleSignalsState* signals_state) override;
- void StartSerializeImplNoLock(Channel* channel,
- size_t* max_size,
- size_t* max_platform_handles) override
- MOJO_NOT_THREAD_SAFE;
- bool EndSerializeAndCloseImplNoLock(
- Channel* channel,
- void* destination,
- size_t* actual_size,
- embedder::PlatformHandleVector* platform_handles) override
- MOJO_NOT_THREAD_SAFE;
-
- // This will be null if closed.
- scoped_refptr<MessagePipe> message_pipe_ MOJO_GUARDED_BY(mutex());
- unsigned port_ MOJO_GUARDED_BY(mutex());
-
- MOJO_DISALLOW_COPY_AND_ASSIGN(MessagePipeDispatcher);
-};
-
-class MessagePipeDispatcherTransport : public DispatcherTransport {
- public:
- explicit MessagePipeDispatcherTransport(DispatcherTransport transport);
-
- MessagePipe* GetMessagePipe() {
- return message_pipe_dispatcher()->GetMessagePipeNoLock();
- }
- unsigned GetPort() { return message_pipe_dispatcher()->GetPortNoLock(); }
-
- private:
- MessagePipeDispatcher* message_pipe_dispatcher() {
- return static_cast<MessagePipeDispatcher*>(dispatcher());
- }
-
- // Copy and assign allowed.
-};
-
-} // namespace system
-} // namespace mojo
-
-#endif // THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_MESSAGE_PIPE_DISPATCHER_H_
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