nptl/pthread_attr_setinheritsched.c

   1 /* Copyright (C) 2002-2022 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 "pthreadP.h"
  20
  21
  22 int
  23 __pthread_attr_setinheritsched (pthread_attr_t *attr, int inherit)
  24 {
  25   struct pthread_attr *iattr;
  26
  27   iattr = (struct pthread_attr *) attr;
  28
  29   /* Catch invalid values.  */
  30   if (inherit != PTHREAD_INHERIT_SCHED && inherit != PTHREAD_EXPLICIT_SCHED)
  31     return EINVAL;
  32
  33   /* Store the new values.  */
  34   if (inherit != PTHREAD_INHERIT_SCHED)
  35     iattr->flags |= ATTR_FLAG_NOTINHERITSCHED;
  36   else
  37     iattr->flags &= ~ATTR_FLAG_NOTINHERITSCHED;
  38
  39   return 0;
  40 }
  41 strong_alias (__pthread_attr_setinheritsched, pthread_attr_setinheritsched)