mirrors/electron
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages 1 Wiki Activity Actions 1

Make Archive thread safe

Browse source
This commit is contained in:
Cheng Zhao 2017-03-10 17:33:27 +09:00
parent c068285ff8
commit e496e18f6e
6 changed files with 22 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

13
atom/common/asar/asar_util.cc
View file

@ -12,6 +12,7 @@
#include "base/files/file_util.h"
#include "base/lazy_instance.h"
#include "base/stl_util.h"
#include "base/threading/thread_local.h"
namespace asar {
@ -19,14 +20,17 @@ namespace {
// The global instance of ArchiveMap, will be destroyed on exit.
typedef std::map<base::FilePath, std::shared_ptr<Archive>> ArchiveMap;
static base::LazyInstance<ArchiveMap> g_archive_map = LAZY_INSTANCE_INITIALIZER;
base::LazyInstance<base::ThreadLocalPointer<ArchiveMap>>::Leaky
g_archive_map_tls = LAZY_INSTANCE_INITIALIZER;
const base::FilePath::CharType kAsarExtension[] = FILE_PATH_LITERAL(".asar");
} // namespace
std::shared_ptr<Archive> GetOrCreateAsarArchive(const base::FilePath& path) {
ArchiveMap& archive_map = *g_archive_map.Pointer();
if (!g_archive_map_tls.Pointer()->Get())
g_archive_map_tls.Pointer()->Set(new ArchiveMap);
ArchiveMap& archive_map = *g_archive_map_tls.Pointer()->Get();
if (!ContainsKey(archive_map, path)) {
std::shared_ptr<Archive> archive(new Archive(path));
if (!archive->Init())
@ -36,6 +40,11 @@ std::shared_ptr<Archive> GetOrCreateAsarArchive(const base::FilePath& path) {
return archive_map[path];
}
void ClearArchives() {
if (g_archive_map_tls.Pointer()->Get())
delete g_archive_map_tls.Pointer()->Get();
}
bool GetAsarArchivePath(const base::FilePath& full_path,
base::FilePath* asar_path,
base::FilePath* relative_path) {

3
atom/common/asar/asar_util.h
View file

@ -19,6 +19,9 @@ class Archive;
// Gets or creates a new Archive from the path.
std::shared_ptr<Archive> GetOrCreateAsarArchive(const base::FilePath& path);
// Destroy cached Archive objects.
void ClearArchives();
// Separates the path to Archive out.
bool GetAsarArchivePath(const base::FilePath& full_path,
base::FilePath* asar_path,