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Annotation of 43BSD/lib/libc/compat-4.1/nice.c, revision 1.1.1.1

1.1       root        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) 3/9/86";
                      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: }

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