diff options
Diffstat (limited to 'runtime/mirror/object.h')
-rw-r--r-- | runtime/mirror/object.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/runtime/mirror/object.h b/runtime/mirror/object.h index 54a17b1d4e..ecd8a48a96 100644 --- a/runtime/mirror/object.h +++ b/runtime/mirror/object.h @@ -138,11 +138,16 @@ class MANAGED LOCKABLE Object { REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Roles::uninterruptible_); + // Returns a nonzero value that fits into lockword slot. int32_t IdentityHashCode() REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Locks::thread_list_lock_, !Locks::thread_suspend_count_lock_); + // Identical to the above, but returns 0 if monitor inflation would otherwise be needed. + int32_t IdentityHashCodeNoInflation() REQUIRES_SHARED(Locks::mutator_lock_) + REQUIRES(!Locks::thread_list_lock_, !Locks::thread_suspend_count_lock_); + static constexpr MemberOffset MonitorOffset() { return OFFSET_OF_OBJECT_MEMBER(Object, monitor_); } @@ -727,6 +732,10 @@ class MANAGED LOCKABLE Object { REQUIRES_SHARED(Locks::mutator_lock_); private: + template <bool kAllowInflation> + int32_t IdentityHashCodeHelper() REQUIRES_SHARED(Locks::mutator_lock_) + REQUIRES(!Locks::thread_list_lock_, !Locks::thread_suspend_count_lock_); + // Get a field with acquire semantics. template<typename kSize> ALWAYS_INLINE kSize GetFieldAcquire(MemberOffset field_offset) |