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TMS320C6678: 多核间怎么防止对公共数据的并发访问

Part Number: TMS320C6678
Other Parts Discussed in Thread: SYSBIOS

工程是基于sysbios的,核1的算法会计算并更新一个数组,数组放在MSMCSRAM上。然后核2会不断读取这个数组进行计算。请问怎么在核2读取数组的时候暂停核1更新数组,或者在核1更新数组时暂停核2读取数组?