/* * Copyright (c) 2020 Huawei Device Co., Ltd. * 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. */ #ifndef LITE_LOCK_FREE_QUEUE_H #define LITE_LOCK_FREE_QUEUE_H #include #ifdef __cplusplus #if __cplusplus extern "C" { #endif #endif typedef struct LockFreeQueue LockFreeQueue; struct LockFreeQueue { uint32 write; uint32 read; uint32 itemSize; uint32 totalSize; uint8 buffer[0]; }; LockFreeQueue *LFQUE_Create(int size, int count); BOOL LFQUE_IsEmpty(LockFreeQueue *queue); BOOL LFQUE_IsFull(LockFreeQueue *queue); int LFQUE_Push(LockFreeQueue *queue, const void *element, uint8 pri); int LFQUE_Pop(LockFreeQueue *queue, void *element, uint8 *pri); #ifdef __cplusplus #if __cplusplus } #endif #endif #endif // LITE_LOCK_FREE_QUEUE_H