在Windows环境下，参考Windows环境下线程同步、互斥操作的例子，利用基本的文件操作系统调用，模拟读写问题。编写相应的函数，建立一个记录型的共享文件，并实现对该共享文件的打开、关闭、删除、读、追加记录、删除记录等操作。同时要求利用进程的同步与互斥机制实现多个用户进程对该文件的并发访问-the Windows environment, Windows environment reference thread synchronization, contradict operation example, the use of the basic operating system file called simulation literacy problems. To prepare the corresponding function, the establishment of a record-sharing documentation, and sharing files on the opening, closing, delete, read, the additional records, delete records of such an operation. The process also calls for the synchronization and mutual exclusion mechanism for multiple user process with the document visit