/* * Copyright (c) 1983 The Regents of the University of California. * All rights reserved. * * %sccs.include.redist.c% */ #if defined(LIBC_SCCS) && !defined(lint) static char sccsid[] = "@(#)nice.c 5.4 (Berkeley) 06/01/90"; #endif /* LIBC_SCCS and not lint */ #include #include /* * Backwards compatible nice. */ nice(incr) int incr; { int prio; extern int errno; errno = 0; prio = getpriority(PRIO_PROCESS, 0); if (prio == -1 && errno) return (-1); return (setpriority(PRIO_PROCESS, 0, prio + incr)); }