/* * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _LOS_IPC_CONTAINER_PRI_H #define _LOS_IPC_CONTAINER_PRI_H #include "los_atomic.h" #include "los_list.h" #include "mqueue.h" #include "fs/file.h" #ifdef LOSCFG_IPC_CONTAINER struct shmIDSource; struct Container; typedef struct TagQueueCB LosQueueCB; typedef struct OsMux LosMux; typedef LosMux pthread_mutex_t; typedef struct ProcessCB LosProcessCB; //IPC容器 typedef struct IpcContainer { Atomic rc; LosQueueCB *allQueue; //队列控制块(读写分离模式) LOS_DL_LIST freeQueueList;//空闲队列链表 fd_set queueFdSet; struct mqarray queueTable[LOSCFG_BASE_IPC_QUEUE_LIMIT];//队列池 pthread_mutex_t mqueueMutex; struct mqpersonal *mqPrivBuf[MAX_MQ_FD]; struct shminfo shmInfo; LosMux sysvShmMux; struct shmIDSource *shmSegs; UINT32 shmUsedPageCount; UINT32 containerID; } IpcContainer; UINT32 OsInitRootIpcContainer(IpcContainer **ipcContainer); UINT32 OsCopyIpcContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *parent); UINT32 OsUnshareIpcContainer(UINTPTR flags, LosProcessCB *curr, struct Container *newContainer); UINT32 OsSetNsIpcContainer(UINT32 flags, struct Container *container, struct Container *newContainer); VOID OsIpcContainerDestroy(struct Container *container); UINT32 OsGetIpcContainerID(IpcContainer *ipcContainer); IpcContainer *OsGetCurrIpcContainer(VOID); UINT32 OsGetIpcContainerCount(VOID); #define IPC_ALL_QUEUE (OsGetCurrIpcContainer()->allQueue) #define FREE_QUEUE_LIST (OsGetCurrIpcContainer()->freeQueueList) #define IPC_QUEUE_FD_SET (OsGetCurrIpcContainer()->queueFdSet) #define IPC_QUEUE_TABLE (OsGetCurrIpcContainer()->queueTable) #define IPC_QUEUE_MUTEX (OsGetCurrIpcContainer()->mqueueMutex) #define IPC_QUEUE_MQ_PRIV_BUF (OsGetCurrIpcContainer()->mqPrivBuf) #define IPC_SHM_INFO (OsGetCurrIpcContainer()->shmInfo) #define IPC_SHM_SYS_VSHM_MUTEX (OsGetCurrIpcContainer()->sysvShmMux) #define IPC_SHM_SEGS (OsGetCurrIpcContainer()->shmSegs) #define IPC_SHM_USED_PAGE_COUNT (OsGetCurrIpcContainer()->shmUsedPageCount) #endif #endif /* _LOS_IPC_CONTAINER_PRI_H */