Analyzing eventfd System Call Implementation with select
eventfd(2) Combined with seelect(2) Source Code Analysis
The code examples are from Linux kernel 4.17
eventfd(2) - Creates a file descriptor for event notification.
Usage
Source Code Analysis
References
#include <sys/eventfd.h>
int eventfd(unsigned int initval, int flags);
int eventfd2(unsigned int initval, int flags);
Parameters
- \ ...
Posted on Sat, 01 Aug 2026 16:33:13 +0000 by Fredric
Understanding Shell Redirection and File Descriptors in Linux
In Linux shells, redirection alters the source or destination of data streams used by commands. Input redirection changes where a program reads its input from, while output redirection changes where it sends its results. By default, standard input comes from the keyboard (file descriptor 0), and standard output and error go to the terminal (des ...
Posted on Fri, 08 May 2026 17:08:06 +0000 by love_php