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Unified Diff: mojo/edk/system/platform_handle_dispatcher.cc

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/system/platform_handle_dispatcher.cc
diff --git a/mojo/edk/system/platform_handle_dispatcher.cc b/mojo/edk/system/platform_handle_dispatcher.cc
deleted file mode 100644
index f064c67876f626afe857b7d14cba8acc9143b3f3..0000000000000000000000000000000000000000
--- a/mojo/edk/system/platform_handle_dispatcher.cc
+++ /dev/null
@@ -1,118 +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/system/platform_handle_dispatcher.h"
-
-#include <algorithm>
-
-#include "base/logging.h"
-
-namespace mojo {
-namespace system {
-
-namespace {
-
-const size_t kInvalidPlatformHandleIndex = static_cast<size_t>(-1);
-
-struct SerializedPlatformHandleDispatcher {
- size_t platform_handle_index; // (Or |kInvalidPlatformHandleIndex|.)
-};
-
-} // namespace
-
-PlatformHandleDispatcher::PlatformHandleDispatcher(
- embedder::ScopedPlatformHandle platform_handle)
- : platform_handle_(platform_handle.Pass()) {
-}
-
-embedder::ScopedPlatformHandle PlatformHandleDispatcher::PassPlatformHandle() {
- base::AutoLock locker(lock());
- return platform_handle_.Pass();
-}
-
-Dispatcher::Type PlatformHandleDispatcher::GetType() const {
- return kTypePlatformHandle;
-}
-
-// static
-scoped_refptr<PlatformHandleDispatcher> PlatformHandleDispatcher::Deserialize(
- Channel* channel,
- const void* source,
- size_t size,
- embedder::PlatformHandleVector* platform_handles) {
- if (size != sizeof(SerializedPlatformHandleDispatcher)) {
- LOG(ERROR) << "Invalid serialized platform handle dispatcher (bad size)";
- return nullptr;
- }
-
- const SerializedPlatformHandleDispatcher* serialization =
- static_cast<const SerializedPlatformHandleDispatcher*>(source);
- size_t platform_handle_index = serialization->platform_handle_index;
-
- // Starts off invalid, which is what we want.
- embedder::PlatformHandle platform_handle;
-
- if (platform_handle_index != kInvalidPlatformHandleIndex) {
- if (!platform_handles ||
- platform_handle_index >= platform_handles->size()) {
- LOG(ERROR)
- << "Invalid serialized platform handle dispatcher (missing handles)";
- return nullptr;
- }
-
- // We take ownership of the handle, so we have to invalidate the one in
- // |platform_handles|.
- std::swap(platform_handle, (*platform_handles)[platform_handle_index]);
- }
-
- return scoped_refptr<PlatformHandleDispatcher>(new PlatformHandleDispatcher(
- embedder::ScopedPlatformHandle(platform_handle)));
-}
-
-PlatformHandleDispatcher::~PlatformHandleDispatcher() {
-}
-
-void PlatformHandleDispatcher::CloseImplNoLock() {
- lock().AssertAcquired();
- platform_handle_.reset();
-}
-
-scoped_refptr<Dispatcher>
-PlatformHandleDispatcher::CreateEquivalentDispatcherAndCloseImplNoLock() {
- lock().AssertAcquired();
- return scoped_refptr<Dispatcher>(
- new PlatformHandleDispatcher(platform_handle_.Pass()));
-}
-
-void PlatformHandleDispatcher::StartSerializeImplNoLock(
- Channel* /*channel*/,
- size_t* max_size,
- size_t* max_platform_handles) {
- DCHECK(HasOneRef()); // Only one ref => no need to take the lock.
- *max_size = sizeof(SerializedPlatformHandleDispatcher);
- *max_platform_handles = 1;
-}
-
-bool PlatformHandleDispatcher::EndSerializeAndCloseImplNoLock(
- Channel* /*channel*/,
- void* destination,
- size_t* actual_size,
- embedder::PlatformHandleVector* platform_handles) {
- DCHECK(HasOneRef()); // Only one ref => no need to take the lock.
-
- SerializedPlatformHandleDispatcher* serialization =
- static_cast<SerializedPlatformHandleDispatcher*>(destination);
- if (platform_handle_.is_valid()) {
- serialization->platform_handle_index = platform_handles->size();
- platform_handles->push_back(platform_handle_.release());
- } else {
- serialization->platform_handle_index = kInvalidPlatformHandleIndex;
- }
-
- *actual_size = sizeof(SerializedPlatformHandleDispatcher);
- return true;
-}
-
-} // namespace system
-} // namespace mojo
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