debian man page for idle

Query: idle

OS: debian

Section: 2

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

IDLE(2) 						     Linux Programmer's Manual							   IDLE(2)

NAME
idle - make process 0 idle
SYNOPSIS
#include <unistd.h> int 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 superuser 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.
VERSIONS
Since 2.3.13 this system call does not exist anymore.
CONFORMING TO
This function is Linux-specific, and should not be used in programs intended to be portable.
COLOPHON
This page is part of release 3.44 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. Linux 1994-08-21 IDLE(2)
Related Man Pages
gettid(2) - linux
gettid(2) - suse
exit_group(2) - sunos
anyevent::aggressiveidle(3pm) - debian
rtprio(2) - osx
Similar Topics in the Unix Linux Community
finding idle time of a process
Every session is expiring within 1 minute if it kept idle.
How to lock own console when idle?
Logging out idle users after a certain timeframe
Telnet sessions stay as idle users