/* $NetBSD: nice.c,v 1.13 2011/05/01 02:49:54 christos Exp $ */
/*
* Copyright ( c ) 1983 , 1993
* The Regents of the University of California . All rights reserved .
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions
* are met :
* 1 . Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
* 2 . Redistributions in binary form must reproduce the above copyright
* notice , this list of conditions and the following disclaimer in the
* documentation and / or other materials provided with the distribution .
* 3 . Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission .
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ` ` AS IS ' ' AND
* ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT LIMITED TO , THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED . IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT , INDIRECT , INCIDENTAL , SPECIAL , EXEMPLARY , OR CONSEQUENTIAL
* DAMAGES ( INCLUDING , BUT NOT LIMITED TO , PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES ; LOSS OF USE , DATA , OR PROFITS ; OR BUSINESS INTERRUPTION )
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY , WHETHER IN CONTRACT , STRICT
* LIABILITY , OR TORT ( INCLUDING NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE , EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE .
*/
#include <sys/cdefs.h>
#if defined (LIBC_SCCS) && !defined (lint)
#if 0
static char sccsid[] = "@(#)nice.c 8.1 (Berkeley) 6/4/93" ;
#else
__RCSID("$NetBSD: nice.c,v 1.13 2011/05/01 02:49:54 christos Exp $" );
#endif
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <errno.h>
#include <unistd.h>
#ifdef __weak_alias
__weak_alias(nice,_nice)
#endif
/*
* Backwards compatible nice .
*/
int
nice(int incr)
{
int prio;
errno = 0 ;
prio = getpriority(PRIO_PROCESS, 0 );
if (prio == -1 && errno)
return -1 ;
if (setpriority(PRIO_PROCESS, 0 , prio + incr) == -1 ) {
if (errno == EACCES)
errno = EPERM;
return -1 ;
}
return getpriority(PRIO_PROCESS, 0 );
}
Messung V0.5 in Prozent C=93 H=93 G=92
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-28)
¤
*© Formatika GbR, Deutschland