posix/spawnattr_setschedpolicy.c

   1 /* Copyright (C) 2000 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <errno.h>
  20 #include <spawn.h>
  21
  22 /* Store scheduling policy in the attribute structure.  */
  23 int
  24 posix_spawnattr_setschedpolicy (posix_spawnattr_t *attr, int schedpolicy)
  25 {
  26   if (schedpolicy != SCHED_OTHER && schedpolicy != SCHED_FIFO
  27       && schedpolicy != SCHED_RR)
  28     return EINVAL;
  29
  30   /* Store the policy.  */
  31   attr->__policy = schedpolicy;
  32
  33   return 0;
  34 }