Analyzing the Implementation of the select System Call
Understanding the select System Call
The select system call provides synchronous I/O multiplexing, allowing a program to monitor multiple file descriptors for readiness. This analysis explores its internal implementation in the Linux kernel.
User Interface
The select API is defined as follows:
#include <sys/select.h>
int select(int maxfd ...
Posted on Thu, 14 May 2026 13:42:45 +0000 by immot