ART: Extend Object tag table to be explicitly lockable
Expose the lock for the system weak holder. Add functions to lock
and unlock the object tagging table, and add accessors that assume
the table is already locked.
Bug: 31385354
Test: m test-art-host
Change-Id: I5a4328b0d439d13e6ace7965e22f01bbf8130f20
diff --git a/runtime/gc/system_weak.h b/runtime/gc/system_weak.h
index 3910a28..887059b 100644
--- a/runtime/gc/system_weak.h
+++ b/runtime/gc/system_weak.h
@@ -69,6 +69,11 @@
new_weak_condition_.Broadcast(Thread::Current());
}
+ // WARNING: For lock annotations only.
+ Mutex* GetAllowDisallowLock() const RETURN_CAPABILITY(allow_disallow_lock_) {
+ return nullptr;
+ }
+
protected:
void Wait(Thread* self) REQUIRES_SHARED(allow_disallow_lock_) {
// Wait for GC's sweeping to complete and allow new records