Yong Gu eyonggu
eyonggu
/ splice.c
Created
January 28, 2021 20:26
— forked from karthick18/splice.c
An example copy of a file to output file using the splice syscall that avoids copying to/from user space buffers to kernel space by employing pipe buffers allocated in kernel space for fast data transfers between 2 files
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /* | |
| * An example using splice syscall which avoids copying to/from user space buffers to kernel space | |
| * and uses the pipe buffers allocated in kernel space as an intermediate to directly xfer from one file to another | |
| * | |
| * gcc -o splice splice.c -g | |
| */ | |
| #define _GNU_SOURCE | |
| #include <stdio.h> | |
| #include <string.h> |