In addition for improving the performance of the system much more, one lockless queue memory management mechanism is applied into the system.
另外,为步地提高系统的性能,本
又引入
无互斥的预处
内存管
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.
唯一访问共享资源的保证。在嵌入式系统中,共享的资源典型的有内存块或寄存器组。互斥现象能由使用信号灯或互斥完成。
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.
可同时多次运行的程序的说法。可再入的函数可被安全地递归调用或由多任务多次调用。使代码可再入的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。