【摘要】 μC OS-Ⅱ是源码公开的实时操作系统,在嵌入式系统中应用广泛。对于实时操作系统,任务间通信是一个影响系统性能的重要因素,所以邮箱机制的分析和研究有重要的意义。在研究μC OS-Ⅱ邮箱机制的基础上提出了一个邮箱查询的方法,使得邮箱查询的安全性得到保证。更多还原

【Abstract】 μC/OS-Ⅱis a real-time operating system with open source code, used extensivly in the embedded system. To the real-time operating system, the communication among the tasks is an important factor of influencing systematic function, and studying the mechanism of the mailbox has important meaning. This text puts forward one method of mailbox inquire which makes the security of mailbox inquiry get the assurance on the basis of studying mechanism of the mailbox of μC/OS-Ⅱ.更多还原