In addition for improving the performance of the system much more, one lockless queue memory management mechanism is applied into the system.
另外,一步地提高系统的性能,本
又引入
无互斥的预处理
存管理机制。
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A guarantee of exclusive access to a shared resource. In embedded systems, the shared resource is typically a block of memory, a global variable, or a set of registers. Mutual exclusion can be achieved with the use of a semaphore or mutex.
唯一访问共享资源保
。在嵌入式系统中,共享
资源典型
有内存块或寄存器组。互斥现象能由使用
号灯或互斥完成。
Said of software that can be executed multiple times simultaneously. A reentrant function can be safely called recursively or from multiple tasks. The key to making code reentrant is to ensure mutual exclusion whenever accessing global variables or shared registers.
可同时多次运行程序
说法。可再入
函数可以被安全地递归调用或由多任务多次调用。使代码可再入
关键在于确保在访问全局变量或共享寄存器时互斥现象发生。