Mutex

UINT32 LOS_MuxCreate ( UINT32 *  puwMuxHandle  )  Create a mutex. Description: This API is used to create a mutex. A mutex handle is assigned to puwMuxHandle when the mutex is created successfully. Return LOS_OK on creating successful, return specific error code otherwise. 注意: The total number of mutexes is pre-configured. If there are no available mutexes, the mutex creation fails. 参数: 参数名称 描述 puwMuxHandle  [OUT] Handle pointer of the successfully created mutex. The value of handle should be in [0, LOSCFG_BASE_IPC_MUX_LIMIT - 1]. 返回值: 返回值 描述 LOS_ERRNO_MUX_PTR_NULL  The puwMuxHandle pointer is NULL. LOS_ERRNO_MUX_ALL_BUSY  No available mutex. LOS_OK  The mutex is successfully created. Dependency: los_mux.h: the header file that contains the API declaration. 参见: LOS_MuxDelete 自从: Huawei LiteOS V100R001C00