diff options
Diffstat (limited to 'mojo/edk/embedder/simple_platform_shared_buffer_android.cc')
-rw-r--r-- | mojo/edk/embedder/simple_platform_shared_buffer_android.cc | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/mojo/edk/embedder/simple_platform_shared_buffer_android.cc b/mojo/edk/embedder/simple_platform_shared_buffer_android.cc deleted file mode 100644 index 3517db3..0000000 --- a/mojo/edk/embedder/simple_platform_shared_buffer_android.cc +++ /dev/null @@ -1,74 +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 <stdint.h> -#include <sys/mman.h> // For |mmap()|/|munmap()|. -#include <sys/types.h> // For |off_t|. -#include <unistd.h> - -#include <limits> - -#include "base/files/scoped_file.h" -#include "base/logging.h" -#include "base/macros.h" -#include "mojo/edk/embedder/platform_handle.h" -#include "third_party/ashmem/ashmem.h" - -namespace mojo { -namespace embedder { - -// SimplePlatformSharedBuffer -------------------------------------------------- - -bool SimplePlatformSharedBuffer::Init() { - DCHECK(!handle_.is_valid()); - - if (static_cast<uint64_t>(num_bytes_) > - static_cast<uint64_t>(std::numeric_limits<off_t>::max())) { - return false; - } - - base::ScopedFD fd(ashmem_create_region(nullptr, num_bytes_)); - if (!fd.is_valid()) { - DPLOG(ERROR) << "ashmem_create_region()"; - return false; - } - - if (ashmem_set_prot_region(fd.get(), PROT_READ | PROT_WRITE) < 0) { - DPLOG(ERROR) << "ashmem_set_prot_region()"; - return false; - } - - handle_.reset(PlatformHandle(fd.release())); - return true; -} - -bool SimplePlatformSharedBuffer::InitFromPlatformHandle( - ScopedPlatformHandle platform_handle) { - DCHECK(!handle_.is_valid()); - - if (static_cast<uint64_t>(num_bytes_) > - static_cast<uint64_t>(std::numeric_limits<off_t>::max())) { - return false; - } - - int size = ashmem_get_size_region(platform_handle.get().fd); - - if (size < 0) { - DPLOG(ERROR) << "ashmem_get_size_region()"; - return false; - } - - if (static_cast<size_t>(size) != num_bytes_) { - LOG(ERROR) << "Shared memory region has the wrong size"; - return false; - } - - handle_ = platform_handle.Pass(); - return true; -} - -} // namespace embedder -} // namespace mojo |