status-im/realm-js
2
0
Fork 0
mirror of https://github.com/status-im/realm-js.git synced 2025-01-11 14:54:33 +00:00
Code Issues Projects Releases Wiki Activity

Add a short explanation of CachedRealm

Browse Source
This commit is contained in:
Thomas Goyne 2015-12-03 09:01:32 -08:00 committed by Thomas Goyne
parent 89bd55a535
commit 513b3d770c
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/impl/apple/cached_realm.hpp
View File

@ -28,6 +28,11 @@ class Realm;
namespace _impl {
// CachedRealm stores a weak reference to a Realm instance, along with all of
// the information about a Realm that needs to be accessed from other threads.
// This is needed to avoid forming strong references to the Realm instances on
// other threads, which can produce deadlocks when the last strong reference to
// a Realm instance is released from within a function holding the cache lock.
class CachedRealm {
public:
CachedRealm(const std::shared_ptr<Realm>& realm, bool cache);
@ -52,9 +57,6 @@ public:
void notify();
// Is this a CachedRealm for the given Realm instance?
// This should be used rather than lock() to avoid deadlocks when the
// reference from lock() is the last remaining one (due to another thread
// releasing them at the same time)
bool is_for_realm(Realm* realm) const { return realm == m_realm_key; }
private: