diff options
Diffstat (limited to 'runtime/gc/reference_processor.cc')
-rw-r--r-- | runtime/gc/reference_processor.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/runtime/gc/reference_processor.cc b/runtime/gc/reference_processor.cc index 798ecd3d87..2cde7d5731 100644 --- a/runtime/gc/reference_processor.cc +++ b/runtime/gc/reference_processor.cc @@ -55,7 +55,6 @@ void ReferenceProcessor::DisableSlowPath(Thread* self) { } void ReferenceProcessor::BroadcastForSlowPath(Thread* self) { - CHECK(kUseReadBarrier); MutexLock mu(self, *Locks::reference_processor_lock_); condition_.Broadcast(self); } @@ -99,6 +98,9 @@ ObjPtr<mirror::Object> ReferenceProcessor::GetReferent(Thread* self, } } } + // Check and run the empty checkpoint before blocking so the empty checkpoint will work in the + // presence of threads blocking for weak ref access. + self->CheckEmptyCheckpoint(); condition_.WaitHoldingLocks(self); } return reference->GetReferent(); @@ -270,6 +272,9 @@ bool ReferenceProcessor::MakeCircularListIfUnenqueued( // Wait untul we are done processing reference. while ((!kUseReadBarrier && SlowPathEnabled()) || (kUseReadBarrier && !self->GetWeakRefAccessEnabled())) { + // Check and run the empty checkpoint before blocking so the empty checkpoint will work in the + // presence of threads blocking for weak ref access. + self->CheckEmptyCheckpoint(); condition_.WaitHoldingLocks(self); } // At this point, since the sentinel of the reference is live, it is guaranteed to not be |