diff options
Diffstat (limited to 'runtime/thread.h')
| -rw-r--r-- | runtime/thread.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/runtime/thread.h b/runtime/thread.h index faa77e1581..b2983cc6de 100644 --- a/runtime/thread.h +++ b/runtime/thread.h @@ -105,7 +105,8 @@ enum ThreadFlag { kSuspendRequest = 1, // If set implies that suspend_count_ > 0 and the Thread should enter the // safepoint handler. kCheckpointRequest = 2, // Request that the thread do some checkpoint work and then continue. - kActiveSuspendBarrier = 4 // Register that at least 1 suspend barrier needs to be passed. + kEmptyCheckpointRequest = 4, // Request that the thread do empty checkpoint and then continue. + kActiveSuspendBarrier = 8, // Register that at least 1 suspend barrier needs to be passed. }; enum class StackedShadowFrameType { @@ -171,6 +172,9 @@ class Thread { // Process pending thread suspension request and handle if pending. void CheckSuspend() REQUIRES_SHARED(Locks::mutator_lock_); + // Process a pending empty checkpoint if pending. + void CheckEmptyCheckpoint() REQUIRES_SHARED(Locks::mutator_lock_); + static Thread* FromManagedThread(const ScopedObjectAccessAlreadyRunnable& ts, mirror::Object* thread_peer) REQUIRES(Locks::thread_list_lock_, !Locks::thread_suspend_count_lock_) @@ -239,6 +243,8 @@ class Thread { REQUIRES(Locks::thread_suspend_count_lock_); void RequestSynchronousCheckpoint(Closure* function) REQUIRES(!Locks::thread_suspend_count_lock_, !Locks::thread_list_lock_); + bool RequestEmptyCheckpoint() + REQUIRES(Locks::thread_suspend_count_lock_); void SetFlipFunction(Closure* function); Closure* GetFlipFunction(); @@ -1214,6 +1220,7 @@ class Thread { REQUIRES(Locks::thread_suspend_count_lock_); void RunCheckpointFunction(); + void RunEmptyCheckpoint(); bool PassActiveSuspendBarriers(Thread* self) REQUIRES(!Locks::thread_suspend_count_lock_); |