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-rw-r--r--mojo/edk/embedder/simple_platform_shared_buffer.cc108
1 files changed, 0 insertions, 108 deletions
diff --git a/mojo/edk/embedder/simple_platform_shared_buffer.cc b/mojo/edk/embedder/simple_platform_shared_buffer.cc
deleted file mode 100644
index 866250c..0000000
--- a/mojo/edk/embedder/simple_platform_shared_buffer.cc
+++ /dev/null
@@ -1,108 +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.
-
-#include "mojo/edk/embedder/simple_platform_shared_buffer.h"
-
-#include "base/logging.h"
-#include "mojo/edk/embedder/platform_handle_utils.h"
-
-namespace mojo {
-namespace embedder {
-
-// static
-SimplePlatformSharedBuffer* SimplePlatformSharedBuffer::Create(
- size_t num_bytes) {
- DCHECK_GT(num_bytes, 0u);
-
- SimplePlatformSharedBuffer* rv = new SimplePlatformSharedBuffer(num_bytes);
- if (!rv->Init()) {
- // We can't just delete it directly, due to the "in destructor" (debug)
- // check.
- scoped_refptr<SimplePlatformSharedBuffer> deleter(rv);
- return nullptr;
- }
-
- return rv;
-}
-
-// static
-SimplePlatformSharedBuffer*
-SimplePlatformSharedBuffer::CreateFromPlatformHandle(
- size_t num_bytes,
- ScopedPlatformHandle platform_handle) {
- DCHECK_GT(num_bytes, 0u);
-
- SimplePlatformSharedBuffer* rv = new SimplePlatformSharedBuffer(num_bytes);
- if (!rv->InitFromPlatformHandle(platform_handle.Pass())) {
- // We can't just delete it directly, due to the "in destructor" (debug)
- // check.
- scoped_refptr<SimplePlatformSharedBuffer> deleter(rv);
- return nullptr;
- }
-
- return rv;
-}
-
-size_t SimplePlatformSharedBuffer::GetNumBytes() const {
- return num_bytes_;
-}
-
-scoped_ptr<PlatformSharedBufferMapping> SimplePlatformSharedBuffer::Map(
- size_t offset,
- size_t length) {
- if (!IsValidMap(offset, length))
- return nullptr;
-
- return MapNoCheck(offset, length);
-}
-
-bool SimplePlatformSharedBuffer::IsValidMap(size_t offset, size_t length) {
- if (offset > num_bytes_ || length == 0)
- return false;
-
- // Note: This is an overflow-safe check of |offset + length > num_bytes_|
- // (that |num_bytes >= offset| is verified above).
- if (length > num_bytes_ - offset)
- return false;
-
- return true;
-}
-
-scoped_ptr<PlatformSharedBufferMapping> SimplePlatformSharedBuffer::MapNoCheck(
- size_t offset,
- size_t length) {
- DCHECK(IsValidMap(offset, length));
- return MapImpl(offset, length);
-}
-
-ScopedPlatformHandle SimplePlatformSharedBuffer::DuplicatePlatformHandle() {
- return mojo::embedder::DuplicatePlatformHandle(handle_.get());
-}
-
-ScopedPlatformHandle SimplePlatformSharedBuffer::PassPlatformHandle() {
- DCHECK(HasOneRef());
- return handle_.Pass();
-}
-
-SimplePlatformSharedBuffer::SimplePlatformSharedBuffer(size_t num_bytes)
- : num_bytes_(num_bytes) {
-}
-
-SimplePlatformSharedBuffer::~SimplePlatformSharedBuffer() {
-}
-
-SimplePlatformSharedBufferMapping::~SimplePlatformSharedBufferMapping() {
- Unmap();
-}
-
-void* SimplePlatformSharedBufferMapping::GetBase() const {
- return base_;
-}
-
-size_t SimplePlatformSharedBufferMapping::GetLength() const {
- return length_;
-}
-
-} // namespace embedder
-} // namespace mojo