manual page first distributed with 4.2BSD

[unix-history] / usr / src / lib / libc / gen / nice.c

/*      nice.c  4.1     83/05/30        */

#include <sys/time.h>
#include <sys/resource.h>

/*
* 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));
}