1 /** 2 * Copyright (c) 2021-2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include "global_object_lock.h" 17 #include "runtime/include/thread_scopes.h" 18 19 namespace ark { 20 // Use some global lock as fast solution. 21 static os::memory::RecursiveMutex g_mtx; // NOLINT(fuchsia-statically-constructed-objects) 22 static os::memory::ConditionVariable g_cv; // NOLINT(fuchsia-statically-constructed-objects) 23 GlobalObjectLock(const ObjectHeader * obj)24GlobalObjectLock::GlobalObjectLock([[maybe_unused]] const ObjectHeader *obj) 25 { 26 ScopedChangeThreadStatus s(ManagedThread::GetCurrent(), ThreadStatus::IS_BLOCKED); 27 g_mtx.Lock(); 28 } 29 Wait(bool ignoreInterruption) const30bool GlobalObjectLock::Wait([[maybe_unused]] bool ignoreInterruption) const 31 { 32 ScopedChangeThreadStatus s(ManagedThread::GetCurrent(), ThreadStatus::IS_WAITING); 33 g_cv.Wait(&g_mtx); 34 return true; 35 } 36 TimedWait(uint64_t timeout) const37bool GlobalObjectLock::TimedWait(uint64_t timeout) const 38 { 39 ScopedChangeThreadStatus s(ManagedThread::GetCurrent(), ThreadStatus::IS_TIMED_WAITING); 40 g_cv.TimedWait(&g_mtx, timeout); 41 return true; 42 } 43 Notify()44void GlobalObjectLock::Notify() 45 { 46 g_cv.Signal(); 47 } 48 NotifyAll()49void GlobalObjectLock::NotifyAll() 50 { 51 g_cv.SignalAll(); 52 } 53 ~GlobalObjectLock()54GlobalObjectLock::~GlobalObjectLock() 55 { 56 g_mtx.Unlock(); 57 } 58 } // namespace ark 59