| Index: base/shared_memory_nacl.cc
|
| diff --git a/base/shared_memory_nacl.cc b/base/shared_memory_nacl.cc
|
| deleted file mode 100644
|
| index 5522b8fcae0b1e4a6cafb57e76e3e732b113a412..0000000000000000000000000000000000000000
|
| --- a/base/shared_memory_nacl.cc
|
| +++ /dev/null
|
| @@ -1,158 +0,0 @@
|
| -// Copyright (c) 2012 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 "base/shared_memory.h"
|
| -
|
| -#include <errno.h>
|
| -#include <fcntl.h>
|
| -#include <sys/mman.h>
|
| -#include <sys/stat.h>
|
| -#include <unistd.h>
|
| -
|
| -#include <limits>
|
| -
|
| -#include "base/logging.h"
|
| -
|
| -namespace base {
|
| -
|
| -SharedMemory::SharedMemory()
|
| - : mapped_file_(-1),
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| - inode_(0),
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| - mapped_size_(0),
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| - memory_(NULL),
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| - read_only_(false),
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| - requested_size_(0) {
|
| -}
|
| -
|
| -SharedMemory::SharedMemory(SharedMemoryHandle handle, bool read_only)
|
| - : mapped_file_(handle.fd),
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| - inode_(0),
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| - mapped_size_(0),
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| - memory_(NULL),
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| - read_only_(read_only),
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| - requested_size_(0) {
|
| -}
|
| -
|
| -SharedMemory::SharedMemory(SharedMemoryHandle handle, bool read_only,
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| - ProcessHandle process)
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| - : mapped_file_(handle.fd),
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| - inode_(0),
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| - mapped_size_(0),
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| - memory_(NULL),
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| - read_only_(read_only),
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| - requested_size_(0) {
|
| - NOTREACHED();
|
| -}
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| -
|
| -SharedMemory::~SharedMemory() {
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| - Close();
|
| -}
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| -
|
| -// static
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| -bool SharedMemory::IsHandleValid(const SharedMemoryHandle& handle) {
|
| - return handle.fd >= 0;
|
| -}
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| -
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| -// static
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| -SharedMemoryHandle SharedMemory::NULLHandle() {
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| - return SharedMemoryHandle();
|
| -}
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| -
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| -// static
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| -void SharedMemory::CloseHandle(const SharedMemoryHandle& handle) {
|
| - DCHECK_GE(handle.fd, 0);
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| - if (close(handle.fd) < 0)
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| - DPLOG(ERROR) << "close";
|
| -}
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| -
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| -bool SharedMemory::CreateAndMapAnonymous(size_t size) {
|
| - // Untrusted code can't create descriptors or handles.
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| - return false;
|
| -}
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| -
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| -bool SharedMemory::Create(const SharedMemoryCreateOptions& options) {
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| - // Untrusted code can't create descriptors or handles.
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| - return false;
|
| -}
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| -
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| -bool SharedMemory::Delete(const std::string& name) {
|
| - return false;
|
| -}
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| -
|
| -bool SharedMemory::Open(const std::string& name, bool read_only) {
|
| - return false;
|
| -}
|
| -
|
| -bool SharedMemory::MapAt(off_t offset, size_t bytes) {
|
| - if (mapped_file_ == -1)
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| - return false;
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| -
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| - if (bytes > static_cast<size_t>(std::numeric_limits<int>::max()))
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| - return false;
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| -
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| - memory_ = mmap(NULL, bytes, PROT_READ | (read_only_ ? 0 : PROT_WRITE),
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| - MAP_SHARED, mapped_file_, offset);
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| -
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| - bool mmap_succeeded = memory_ != MAP_FAILED && memory_ != NULL;
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| - if (mmap_succeeded) {
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| - mapped_size_ = bytes;
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| - DCHECK_EQ(0U, reinterpret_cast<uintptr_t>(memory_) &
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| - (SharedMemory::MAP_MINIMUM_ALIGNMENT - 1));
|
| - } else {
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| - memory_ = NULL;
|
| - }
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| -
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| - return mmap_succeeded;
|
| -}
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| -
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| -bool SharedMemory::Unmap() {
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| - if (memory_ == NULL)
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| - return false;
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| -
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| - if (munmap(memory_, mapped_size_) < 0)
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| - DPLOG(ERROR) << "munmap";
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| - memory_ = NULL;
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| - mapped_size_ = 0;
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| - return true;
|
| -}
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| -
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| -SharedMemoryHandle SharedMemory::handle() const {
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| - return FileDescriptor(mapped_file_, false);
|
| -}
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| -
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| -void SharedMemory::Close() {
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| - Unmap();
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| - if (mapped_file_ > 0) {
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| - if (close(mapped_file_) < 0)
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| - DPLOG(ERROR) << "close";
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| - mapped_file_ = -1;
|
| - }
|
| -}
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| -
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| -void SharedMemory::Lock() {
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| - NOTIMPLEMENTED();
|
| -}
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| -
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| -void SharedMemory::Unlock() {
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| - NOTIMPLEMENTED();
|
| -}
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| -
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| -bool SharedMemory::ShareToProcessCommon(ProcessHandle process,
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| - SharedMemoryHandle *new_handle,
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| - bool close_self) {
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| - const int new_fd = dup(mapped_file_);
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| - if (new_fd < 0) {
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| - DPLOG(ERROR) << "dup() failed.";
|
| - return false;
|
| - }
|
| -
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| - new_handle->fd = new_fd;
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| - new_handle->auto_close = true;
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| -
|
| - if (close_self)
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| - Close();
|
| - return true;
|
| -}
|
| -
|
| -} // namespace base
|
|
|