2022/08/xv6_lab11_record/ #3
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膜大佬 |
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2022/08/xv6_lab11_record/
最后一个 lab 了，终于搞完了！！ Lab11: mmap 描述 实现一个 UNIX 操作系统中常见系统调用 mmap() 和 munmap() 的子集。此系统调用会把文件映射到用户空间的内存，这样用户可以直接通过内存来修改和访问文件，会方便很多。 mmap() 的定义如下： void *mmap(void *addr, size_t length, int prot, int flags,
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