.\" Hey Emacs! This file is -*- nroff -*- source.
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.\" Copyright 1993 Rickard E. Faith (faith@cs.unc.edu)
.\" Portions extracted from linux/mm/swap.c:
.\"                Copyright (C) 1991, 1992  Linus Torvalds
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.\" Modified 21 Aug 1994 by Michael Chastain <mec@shell.portal.com>:
.\"   Added text about calling restriction (new in kernel 1.1.20 I believe).
.\"   N.B. calling "idle" from user process used to hang process!
.\" Modified Thu Oct 31 14:41:15 1996 by Eric S. Raymond <esr@thyrsus.com>
.\" Translation revised May 2 1998 by Juan Piernas <piernas@dif.um.es> with
.\" fixes from Nicolás Lichtmaier <nick@debian.org>
.\" Translation revised Sat Jan  8 2000 by Juan Piernas <piernas@ditec.um.es>
.\"
.TH IDLE 2 "21 agosto 1994" "Linux 1.1.46" "Manual del Programador de Linux"
.SH NOMBRE
idle \- deja inactivo al proceso 0
.SH SINOPSIS
.B #include <unistd.h>
.sp
.B int idle(void);
.SH DESCRIPCIÓN
.B idle
es una llamada al sistema interna utilizada durante el arranque del sistema.
Marca las páginas de memoria del proceso intercambiables
y entra en el bucle principal del planificador.
.B idle
nunca regresa.
.PP
Sólo el proceso 0 puede llamar a
.BR idle .
Cualquier proceso de usuario, incluso uno con permisos de
superusuario, recibirá el valor
.BR EPERM .
.SH "VALOR DEVUELTO"
.B idle
nunca regresa para el proceso 0, y siempre devuelve el valor \-1 para un
proceso de usuario.
.SH ERRORES
.TP
.B EPERM
Siempre, para un proceso de usuario.
.SH "CONFORME A"
Esta función es especifica de Linux y no debe ser utilizada en programas que
se espera sean portables.
.SH OBSERVACIONES
Desde 2.3.13 esta llamada al sistema ya no existe.