mirror of
https://github.com/openharmony/ark_runtime_core.git
synced 2026-07-19 13:17:49 -04:00
Ilya Trubachev
69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
/*
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* Copyright (c) 2021-2022 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef PANDA_RUNTIME_INCLUDE_LOCKS_H_
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#define PANDA_RUNTIME_INCLUDE_LOCKS_H_
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#include "libpandabase/os/mutex.h"
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#include <memory>
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namespace panda {
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class MutatorLock : public os::memory::RWLock {
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#ifndef NDEBUG
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public:
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enum MutatorLockState { UNLOCKED, RDLOCK, WRLOCK };
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void ReadLock() ACQUIRE_SHARED();
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void WriteLock() ACQUIRE();
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bool TryReadLock() TRY_ACQUIRE_SHARED(true);
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bool TryWriteLock() TRY_ACQUIRE(true);
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void Unlock() RELEASE_GENERIC();
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MutatorLockState GetState();
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bool HasLock();
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#endif // !NDEBUG
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};
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class Locks {
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public:
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static void Initialize();
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/**
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* Lock used for preventing object heap modifications (for example at GC<->JIT,ManagedCode interaction during STW)
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*/
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static MutatorLock *mutator_lock; // NOLINT(misc-non-private-member-variables-in-classes)
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/**
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* Lock used for preventing custom_tls_cache_ modifications
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*/
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static os::memory::Mutex *custom_tls_lock; // NOLINT(misc-non-private-member-variables-in-classes)
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/**
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* The lock is a specific lock for exclusive suspension process,
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* It is static for access from JVMTI interface
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*/
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static os::memory::Mutex *user_suspension_lock;
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};
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} // namespace panda
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#endif // PANDA_RUNTIME_INCLUDE_LOCKS_H_
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