mmap c
mm/mmap.c. *. * Written by obz. *. * Address space accounting code <[email protected]>. */. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt. #include <linux/kernel.h>. #include <linux/slab.h>. #include <linux/backing-dev.,13.8 Memory-mapped I/O. On modern operating systems, it is possible to mmap (pronounced “em-map”) a file to a region of memory. When this is done, the file can be accessed just like an array in the program. This is more efficient than read or write , as o
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 mmap c 相關參考資料
C语言mmap()函数：建立内存映射_C语言中文网
相关函数munmap, open 头文件#include unistd.h #include sys/mman.h 定义函数void *mmap(void *start, size_t length, int prot, int flags, int fd, off_t offsize); 函数说明mmap()用来将某个文件内容映射到内存中, 对该内存区域的存取即是直接对该文. http://c.biancheng.net linuxmmap.c at master · torvaldslinux · GitHub
mm/mmap.c. *. * Written by obz. *. * Address space accounting code <[email protected]>. */. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt. #include <linux/kernel.h>. #includ... https://github.com Memory-mapped IO (The GNU C Library) - GNU.org
13.8 Memory-mapped I/O. On modern operating systems, it is possible to mmap (pronounced “em-map”) a file to a region of memory. When this is done, the file can be accessed just like an array in the pr... http://www.gnu.org mmap - The Open Group Library
pa=mmap(addr, len, prot, flags, fildes, off);. The mmap() function shall establish a mapping between the address space of the process at an address pa for len bytes to the memory object represented by... http://pubs.opengroup.org mmap - Wikipedia
跳到 Example of usage under the C programming language - #include <sys/types.h> #include <sys/mman.h> #include <err.h> #include <fcntl.h> #include <stdio.h> #include <s... https://en.wikipedia.org mmap and readwrite string to file · GitHub
exit(EXIT_FAILURE);. } // Now the file is ready to be mmapped. char *map = mmap(0, textsize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);. if (map == MAP_FAILED). . close(fd);. perror("Error mmapp... https://gist.github.com mmap tutorial (CC++) - LinuxQuestions
I am trying to learn how to use mmap and am actively looking for a good tutorial, or a set of good examples that demonstrate mmap use. I have read. https://www.linuxquestions.org mmap(2) - Linux manual page - man7.org
If the specified address cannot be used, mmap() will fail. Software that aspires to be portable should use this option with care, keeping in mind that the exact layout of a process's memory mappin... http://man7.org 小談mmap() 與VMA - Jollen
在IPC 的課程中提到mapped memory 的行程間通訊機制，是透過「shared file」來做訊息的傳遞；將shared file mapping 到process address space 的system call 為'mmap()'。以下是其中一個簡單的程式範例（mmap_write.c）：. #include <stdio.h> #include &... http://www.jollen.org 記憶體映射函數mmap 的使用方法@ Welkin小窩:: 痞客邦::
Linux提供了記憶體映射函數mmap，它把文件內容映射到一段記憶體上(準確說是虛擬記憶體上)， 通過對這段記憶體的讀取和修改，實現對文件的讀取和修改。 Linux允許將檔案對映到記憶體空間中，如此. http://welkinchen.pixnet.net |