1 /* 2 * Copyright (c) 1980 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 */ 6 7 #if defined(LIBC_SCCS) && !defined(lint) 8 static char sccsid[] = "@(#)nice.c 5.2 (Berkeley) 03/09/86"; 9 #endif LIBC_SCCS and not lint 10 11 #include <sys/time.h> 12 #include <sys/resource.h> 13 14 /* 15 * Backwards compatible nice. 16 */ 17 nice(incr) 18 int incr; 19 { 20 int prio; 21 extern int errno; 22 23 errno = 0; 24 prio = getpriority(PRIO_PROCESS, 0); 25 if (prio == -1 && errno) 26 return (-1); 27 return (setpriority(PRIO_PROCESS, 0, prio + incr)); 28 } 29