117     class ScopedLock {  class in PtrRWMutex
119         constexpr ScopedLock() : mMutex(nullptr), mIsWriter(false) {}  in ScopedLock()  function in PtrRWMutex::ScopedLock
121         ScopedLock(PtrRWMutex& m, bool write = true) : mMutex(nullptr) {  in ScopedLock()  function in PtrRWMutex::ScopedLock
126         ~ScopedLock() {  in ~ScopedLock()
132         ScopedLock(const ScopedLock&) = delete;
133         ScopedLock& operator=(const ScopedLock&) = delete;
405     using ScopedLock = ArenaPtrRWMutex::ScopedLock;  typedef in ArenaTable
437                         ScopedLock lock;  in destroy()
459                 ScopedLock lock{ arena, true };  in shutdown()
469     std::pair<tbb::task_arena*, std::size_t> acquire(Random& rnd, ScopedLock& lock) {  in acquire()
495     void release(ScopedLock& lock) {  in release()
548         ArenaTable::ScopedLock lock;  in do_it()