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这是AT91RM9200嵌入式开发板的protel99图，方便大家制作自己的嵌入式开发板。...
这是AT91RM9200嵌入式开发板的protel99图，方便大家制作自己的嵌入式开发板。-This is the AT91RM9200 development board protel99 embedded map, to facilitate you create your own embedded development board.
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1)写-写互斥：不能有两个写者同时进行写操作；
2）读-写互斥：不能同时有一个线程在读，而另一个线程在写；
3）读-读允许：可以有一个或多个读者在读；
4）读者优先的附加限制：如果读者申请进行读操作时已有另一个读者正在进行读操作，则该读者可直接开始读操作；
5）写者优先的附加限制：如果一个读者申请进行读操作时已有另一个写者在等待访问共享资源，则该读者必须等到没有写者处于等待状态后才能开始读操作。
-By studying the Linux thread mechanism and semaphores realize readers who write (Reader-Writer) the issue of concurrency control. 1) to write- write mutex: Can not write at the same time there are two write operations 2) read- write mutex: Can not have a thread at the same time in reading and writing another thread 3) Reading- Reading of permit: can have one or more readers read 4) the priority of additional restrictions readers: If the readers apply for a read operation, there was another reader being read, the reader can be directly started reading operation 5) to write additional priority Restrictions: If an application for a reader reading write operation has been in waiting for another visit to a shared resource, the read
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操作系统实验，编写程序实现银行家算法的C++代码
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used first to adapt, adapt best or the worst adaptation law, the preparation of...
采用首次适应法、最佳适应法或最差适应法，编写一内存分配和回收模拟程序。 动态地随机产生新的“内存分配”或“内存回收”请求，再按照你选定的分配算法修改这个数组。由于这个实验的重点在于内存分配，所以不考虑与某内存区相关的进程情况。-used first to adapt, adapt best or the worst adaptation law, the preparation of a memory allocation and recovery simulation program. Dynamic random to create a new "memory allocation" or "memory recovery" request, then you have chosen in accordance with the allocation algorithm to change the array. As the focus of this experiment is memory allocation, it is not considered relevant to a certain memory area of the process.
- 2022-07-11 03:44:39下载
- 积分：1
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D:jh哲学家吃饭DINPHIL.rar哲学家吃饭
D:jh哲学家吃饭DINPHIL.rar哲学家吃饭-D : jh philosopher eat DINPHIL.rar philosopher dinner
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操作系统的设计与实现
操作系统的设计与实现-Operating System Design and Implementation
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Pan Miriam I602 hardware resources of the XPE files, can be generated directly i...
潘千嬅I602硬件资源的XPE文件，可以直接生成成XPE
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操作系统课程中，读者写者问题的一个Cpp解决方案；在VC6下调时通过，虚拟控制台下运行。...
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- 2022-07-01 19:54:17下载
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GESPI 2.0 dynamic system modeling tools
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