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Unified Diff: mojo/edk/embedder/simple_platform_shared_buffer.h

Issue 814543006: Move //mojo/{public, edk} underneath //third_party (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 5 years, 11 months ago
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Index: mojo/edk/embedder/simple_platform_shared_buffer.h
diff --git a/mojo/edk/embedder/simple_platform_shared_buffer.h b/mojo/edk/embedder/simple_platform_shared_buffer.h
deleted file mode 100644
index b4958b958ad45aacd721ed60e212327e7f59dd22..0000000000000000000000000000000000000000
--- a/mojo/edk/embedder/simple_platform_shared_buffer.h
+++ /dev/null
@@ -1,101 +0,0 @@
-// Copyright 2014 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_EMBEDDER_SIMPLE_PLATFORM_SHARED_BUFFER_H_
-#define MOJO_EDK_EMBEDDER_SIMPLE_PLATFORM_SHARED_BUFFER_H_
-
-#include <stddef.h>
-
-#include "base/macros.h"
-#include "mojo/edk/embedder/platform_shared_buffer.h"
-#include "mojo/edk/system/system_impl_export.h"
-
-namespace mojo {
-namespace embedder {
-
-// A simple implementation of |PlatformSharedBuffer|.
-class MOJO_SYSTEM_IMPL_EXPORT SimplePlatformSharedBuffer
- : public PlatformSharedBuffer {
- public:
- // Creates a shared buffer of size |num_bytes| bytes (initially zero-filled).
- // |num_bytes| must be nonzero. Returns null on failure.
- static SimplePlatformSharedBuffer* Create(size_t num_bytes);
-
- static SimplePlatformSharedBuffer* CreateFromPlatformHandle(
- size_t num_bytes,
- ScopedPlatformHandle platform_handle);
-
- // |PlatformSharedBuffer| implementation:
- size_t GetNumBytes() const override;
- scoped_ptr<PlatformSharedBufferMapping> Map(size_t offset,
- size_t length) override;
- bool IsValidMap(size_t offset, size_t length) override;
- scoped_ptr<PlatformSharedBufferMapping> MapNoCheck(size_t offset,
- size_t length) override;
- ScopedPlatformHandle DuplicatePlatformHandle() override;
- ScopedPlatformHandle PassPlatformHandle() override;
-
- private:
- explicit SimplePlatformSharedBuffer(size_t num_bytes);
- ~SimplePlatformSharedBuffer() override;
-
- // Implemented in simple_platform_shared_buffer_{posix,win}.cc:
-
- // This is called by |Create()| before this object is given to anyone.
- bool Init();
-
- // This is like |Init()|, but for |CreateFromPlatformHandle()|. (Note: It
- // should verify that |platform_handle| is an appropriate handle for the
- // claimed |num_bytes_|.)
- bool InitFromPlatformHandle(ScopedPlatformHandle platform_handle);
-
- // The platform-dependent part of |Map()|; doesn't check arguments.
- scoped_ptr<PlatformSharedBufferMapping> MapImpl(size_t offset, size_t length);
-
- const size_t num_bytes_;
-
- // This is set in |Init()|/|InitFromPlatformHandle()| and never modified
- // (except by |PassPlatformHandle()|; see the comments above its declaration),
- // hence does not need to be protected by a lock.
- ScopedPlatformHandle handle_;
-
- DISALLOW_COPY_AND_ASSIGN(SimplePlatformSharedBuffer);
-};
-
-// An implementation of |PlatformSharedBufferMapping|, produced by
-// |SimplePlatformSharedBuffer|.
-class MOJO_SYSTEM_IMPL_EXPORT SimplePlatformSharedBufferMapping
- : public PlatformSharedBufferMapping {
- public:
- ~SimplePlatformSharedBufferMapping() override;
-
- void* GetBase() const override;
- size_t GetLength() const override;
-
- private:
- friend class SimplePlatformSharedBuffer;
-
- SimplePlatformSharedBufferMapping(void* base,
- size_t length,
- void* real_base,
- size_t real_length)
- : base_(base),
- length_(length),
- real_base_(real_base),
- real_length_(real_length) {}
- void Unmap();
-
- void* const base_;
- const size_t length_;
-
- void* const real_base_;
- const size_t real_length_;
-
- DISALLOW_COPY_AND_ASSIGN(SimplePlatformSharedBufferMapping);
-};
-
-} // namespace embedder
-} // namespace mojo
-
-#endif // MOJO_EDK_EMBEDDER_SIMPLE_PLATFORM_SHARED_BUFFER_H_
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