Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(2191)

Unified Diff: base/shared_memory_android.cc

Issue 13044024: Move shared_memory into base/memory subdirectory. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 7 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « base/shared_memory.h ('k') | base/shared_memory_nacl.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: base/shared_memory_android.cc
diff --git a/base/shared_memory_android.cc b/base/shared_memory_android.cc
deleted file mode 100644
index 084904a200b3b984441a7b8a7c237ae1f6ba5ccb..0000000000000000000000000000000000000000
--- a/base/shared_memory_android.cc
+++ /dev/null
@@ -1,57 +0,0 @@
-// Copyright (c) 2011 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 <sys/mman.h>
-
-#include "base/logging.h"
-#include "third_party/ashmem/ashmem.h"
-
-namespace base {
-
-// For Android, we use ashmem to implement SharedMemory. ashmem_create_region
-// will automatically pin the region. We never explicitly call pin/unpin. When
-// all the file descriptors from different processes associated with the region
-// are closed, the memory buffer will go away.
-
-bool SharedMemory::Create(const SharedMemoryCreateOptions& options) {
- DCHECK_EQ(-1, mapped_file_ );
-
- if (options.size > static_cast<size_t>(std::numeric_limits<int>::max()))
- return false;
-
- // "name" is just a label in ashmem. It is visible in /proc/pid/maps.
- mapped_file_ = ashmem_create_region(
- options.name == NULL ? "" : options.name->c_str(),
- options.size);
- if (-1 == mapped_file_) {
- DLOG(ERROR) << "Shared memory creation failed";
- return false;
- }
-
- int err = ashmem_set_prot_region(mapped_file_,
- PROT_READ | PROT_WRITE | PROT_EXEC);
- if (err < 0) {
- DLOG(ERROR) << "Error " << err << " when setting protection of ashmem";
- return false;
- }
- requested_size_ = options.size;
-
- return true;
-}
-
-bool SharedMemory::Delete(const std::string& name) {
- // Like on Windows, this is intentionally returning true as ashmem will
- // automatically releases the resource when all FDs on it are closed.
- return true;
-}
-
-bool SharedMemory::Open(const std::string& name, bool read_only) {
- // ashmem doesn't support name mapping
- NOTIMPLEMENTED();
- return false;
-}
-
-} // namespace base
« no previous file with comments | « base/shared_memory.h ('k') | base/shared_memory_nacl.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698