File: sched_yield.2

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.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" Copyright (C) Tom Bjorkholm & Markus Kuhn, 1996
.\"
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" the License, or (at your option) any later version.
.\"
.\" The GNU General Public License's references to "object code"
.\" and "executables" are to be interpreted as the output of any
.\" document formatting or typesetting system, including
.\" intermediate and printed output.
.\"
.\" This manual is distributed in the hope that it will be useful,
.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
.\" GNU General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public
.\" License along with this manual; if not, write to the Free
.\" Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
.\" USA.
.\"
.\" 1996-04-01 Tom Bjorkholm <tomb@mydata.se>
.\"            First version written
.\" 1996-04-10 Markus Kuhn <mskuhn@cip.informatik.uni-erlangen.de>
.\"            revision
.\" Translated into Spanish Mon Feb 2 1998 by Gerardo Aburruzaga
.\" Garca <gerardo.aburruzaga@uca.es>
.\"
.TH SCHED_YIELD 2 "2 Febrero 1998" "Linux 1.3.81" "Manual del Programador Linux"
.SH NOMBRE
sched_yield \- cede el procesador
.SH SINOPSIS
.B #include <sched.h>
.sp
\fBint sched_yield(void);
.fi
.SH DESCRIPCIN
Un proceso puede abandonar el procesador voluntariamente sin
bloquearse llamando a
.BR sched_yield .
Entonces el proceso se pondr al final de la cola para su prioridad
esttica y un nuevo proceso obtendr la ejecucin.

Nota: Si el proceso en curso es el nico de la lista de ms alta
prioridad en ese tiempo, este proceso continuar en ejecucin despus
de la llamada a
.BR sched_yield .

En sistemas POSIX donde est disponible
.B sched_yield
se define
.I _POSIX_PRIORITY_SCHEDULING
en <unistd.h>.

.SH VALOR DEVUELTO
En caso de xito,
.B sched_yield
devuelve 0.
En caso de error, se devuelve \-1 y se pone en
.I errno
un valor apropiado.

.SH "CONFORME CON"
POSIX.1b (anteriormente POSIX.4)
.SH CONSULTE TAMBIN
.BR sched_setscheduler (2)
para una descripcin de la planificacin en Linux. 
.PP
.I Programming for the real world \- POSIX.4
por Bill O. Gallmeister, O'Reilly & Associates, Inc., ISBN 1-56592-074-0
.br
.I IEEE Std 1003.1b-1993
(estndar POSIX.1b)
.br
.I ISO/IEC 9945-1:1996