/** * Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* ! * \file kernel_print_lock.h * \brief */ #ifndef ASCENDC_KERNEL_PRINT_LOCK_H #define ASCENDC_KERNEL_PRINT_LOCK_H #include namespace AscendC { class KernelPrintLock { public: int Lock(); int Unlock(); static KernelPrintLock* CreateLock(); static KernelPrintLock* GetLock() { if (printLock == nullptr) { printLock = CreateLock(); } return printLock; } private: KernelPrintLock(); ~KernelPrintLock(); private: pthread_rwlock_t lock; pthread_rwlockattr_t attr; inline void Init(); static KernelPrintLock* printLock; }; } #endif // ASCENDC_KERNEL_PRINT_LOCK_H