lib/libc/posix/nice.c

   1 /*
   2 nice.c
   3 */
   4
   5 #include <errno.h>
   6 #include <unistd.h>
   7 #include <sys/resource.h>
   8
   9 int nice(incr)
  10 int incr;
  11 {
  12         int r;
  13
  14         errno= 0;
  15         r= getpriority(PRIO_PROCESS, 0);
  16         if (r == -1 && errno != 0)
  17                 return r;
  18         return setpriority(PRIO_PROCESS, 0, r+incr);
  19 }