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Diffstat (limited to 'openjdkjvmti/alloc_manager.h')
-rw-r--r-- | openjdkjvmti/alloc_manager.h | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/openjdkjvmti/alloc_manager.h b/openjdkjvmti/alloc_manager.h deleted file mode 100644 index c89d9a633a..0000000000 --- a/openjdkjvmti/alloc_manager.h +++ /dev/null @@ -1,114 +0,0 @@ -/* Copyright (C) 2019 The Android Open Source Project - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This file implements interfaces from the file jvmti.h. This implementation - * is licensed under the same terms as the file jvmti.h. The - * copyright and license information for the file jvmti.h follows. - * - * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -#ifndef ART_OPENJDKJVMTI_ALLOC_MANAGER_H_ -#define ART_OPENJDKJVMTI_ALLOC_MANAGER_H_ - -#include <jvmti.h> - -#include <atomic> - -#include "base/locks.h" -#include "base/mutex.h" -#include "gc/allocation_listener.h" - -namespace art { -template <typename T> class MutableHandle; -template <typename T> class ObjPtr; -class Thread; -namespace mirror { -class Class; -class Object; -} // namespace mirror -} // namespace art - -namespace openjdkjvmti { - -class AllocationManager; - -class JvmtiAllocationListener : public art::gc::AllocationListener { - public: - explicit JvmtiAllocationListener(AllocationManager* manager) : manager_(manager) {} - void ObjectAllocated(art::Thread* self, - art::ObjPtr<art::mirror::Object>* obj, - size_t cnt) override REQUIRES_SHARED(art::Locks::mutator_lock_); - bool HasPreAlloc() const override REQUIRES_SHARED(art::Locks::mutator_lock_); - void PreObjectAllocated(art::Thread* self, - art::MutableHandle<art::mirror::Class> type, - size_t* byte_count) override REQUIRES_SHARED(art::Locks::mutator_lock_); - - private: - AllocationManager* manager_; -}; - -class AllocationManager { - public: - class AllocationCallback { - public: - virtual ~AllocationCallback() {} - virtual void ObjectAllocated(art::Thread* self, - art::ObjPtr<art::mirror::Object>* obj, - size_t byte_count) REQUIRES_SHARED(art::Locks::mutator_lock_) = 0; - }; - - AllocationManager(); - - void SetAllocListener(AllocationCallback* callback); - void RemoveAllocListener(); - - static AllocationManager* Get(); - - void PauseAllocations(art::Thread* self) REQUIRES_SHARED(art::Locks::mutator_lock_); - void ResumeAllocations(art::Thread* self) REQUIRES_SHARED(art::Locks::mutator_lock_); - - void EnableAllocationCallback(art::Thread* self) REQUIRES_SHARED(art::Locks::mutator_lock_); - void DisableAllocationCallback(art::Thread* self) REQUIRES_SHARED(art::Locks::mutator_lock_); - - private: - template<typename T> - void PauseForAllocation(art::Thread* self, T msg) REQUIRES_SHARED(art::Locks::mutator_lock_); - void IncrListenerInstall(art::Thread* self) REQUIRES_SHARED(art::Locks::mutator_lock_); - void DecrListenerInstall(art::Thread* self) REQUIRES_SHARED(art::Locks::mutator_lock_); - - AllocationCallback* callback_ = nullptr; - uint32_t listener_refcount_ GUARDED_BY(alloc_listener_mutex_) = 0; - std::atomic<art::Thread*> allocations_paused_thread_ = nullptr; - std::atomic<bool> callback_enabled_ = false; - std::unique_ptr<JvmtiAllocationListener> alloc_listener_ = nullptr; - art::Mutex alloc_listener_mutex_ ACQUIRED_AFTER(art::Locks::user_code_suspension_lock_); - art::ConditionVariable alloc_pause_cv_; - - friend class JvmtiAllocationListener; -}; - -} // namespace openjdkjvmti - -#endif // ART_OPENJDKJVMTI_ALLOC_MANAGER_H_ |