nptl/check-cpuset.h

   1 /* Validate cpu_set_t values for NPTL.  Stub version.
   2    Copyright (C) 2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20
  21 /* Returns 0 if CS and SZ are valid values for the cpuset and cpuset size
  22    respectively.  Otherwise it returns an error number.  */
  23 static inline int
  24 check_cpuset_attr (const cpu_set_t *cs, const size_t sz)
  25 {
  26   if (sz == 0)
  27     return 0;
  28
  29   /* This means pthread_attr_setaffinity will return ENOSYS, which
  30      is the right thing when the cpu_set_t features are not available.  */
  31   return ENOSYS;
  32 }