Linux编程映射的相关内容

Linux系统应用编程---进程间通信（二）【内存共享映射mmap】

参考链接：https://blog.csdn.net/qq_44361695/article/details/99075993https://segmentfault.com/a/1190000014616732http://www.cppblog.com/jerryma/a...

Linux系统编程-进程间通信(mmap内存映射)

前面文章介绍了进程间常用的通信方式: 无名管道和命名管道，这篇文章介绍内存映射，内存映射在多进程访问文件读写的时候非常方便。1. 内存映射mmap函数介绍mmap函数可以将磁盘上的文件映射到内存空间中，返回映射的首地址。相关函数: mmap munmap msync函数原型与参数介绍：#includ...

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Linux系统编程 --- 共享内存及内存映射【十全十美】

一.POSIX共享内存的实现 ----------------------------------------------------------------------------- 共享内存是在进程间共享某一块内存。是最快一种ipc通信机构。其中posix...

linux C编程，用内存映射写入后，文件中含大量的'#',求可能的原因解决

写入后文件如下，出现不该有的#，并且结尾加入了'0'结束符，却后面一大堆'#'192.168.123.123#192.168.123.123192.168.123.123192.168.123.123192.168.123.123192.168.123.123192.168.123.123192.1...

Linux下C编程-----IO/文件操作/内存映射实现简单记录存储(3)

利用linux下的文件内存映射可以实现进程共享数据,我们可以把一个文件映射到虚拟内存中使多个进程进行共享, 到这里我们大概能想到他能应用到的领域是很广泛的主要涉及到 mmap munmap msync 三个函数的应用下面贴代码下面一段代码是为...

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更新时间 2024-02-07 09:42:26

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