IDLE

Section: Linux Programmer's Manual (2)
Updated: 21 August 1994
Index Return to Main Contents
 

NAME

idle - make process 0 idle  

SYNOPSIS

#include <unistd.h>

void idle(void);  

DESCRIPTION

idle is an internal system call used during bootstrap. It marks the process's pages as swappable, lowers its priority, and enters the main scheduling loop. idle never returns.

Only process 0 may call idle. Any user process, even a process with super-user permission, will receive EPERM.  

RETURN VALUE

idle never returns for process 0, and always returns -1 for a user process.  

ERRORS

EPERM
Always, for a user process.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS

This document was created by man2html, using the manual pages.
Time: 12:25:32 GMT, March 22, 2025