posix/spawnattr_setschedpolicy.c

   1 /* Copyright (C) 2000-2023 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, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <errno.h>
  19 #include <spawn.h>
  20
  21 /* Store scheduling policy in the attribute structure.  */
  22 int
  23 posix_spawnattr_setschedpolicy (posix_spawnattr_t *attr, int schedpolicy)
  24 {
  25   if (schedpolicy != SCHED_OTHER && schedpolicy != SCHED_FIFO
  26       && schedpolicy != SCHED_RR)
  27     return EINVAL;
  28
  29   /* Store the policy.  */
  30   attr->__policy = schedpolicy;
  31
  32   return 0;
  33 }