pthread_attr_setscope.c

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/*
 * pthread_attr_setscope.c
 *
 * Description:
 * This translation unit implements operations on thread attribute objects.
 *
 * --------------------------------------------------------------------------
 *
 *      Pthreads-win32 - POSIX Threads Library for Win32
 *      Copyright(C) 1998 John E. Bossom
 *      Copyright(C) 1999,2003 Pthreads-win32 contributors
 * 
 *      Contact Email: [e-mail]
 * 
 *      The current list of contributors is contained
 *      in the file CONTRIBUTORS included with the source
 *      code distribution. The list can also be seen at the
 *      following World Wide Web location:
 *      http://sources.redhat.com/pthreads-win32/contributors.html
 * 
 *      This library is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU Lesser General Public
 *      License as published by the Free Software Foundation; either
 *      version 2 of the License, or (at your option) any later version.
 * 
 *      This library is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *      Lesser General Public License for more details.
 * 
 *      You should have received a copy of the GNU Lesser General Public
 *      License along with this library in the file COPYING.LIB;
 *      if not, write to the Free Software Foundation, Inc.,
 *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#include "pthread.h"
#include "implement.h"

/* ignore warning "unreferenced formal parameter" */
#ifdef _MSC_VER
#pragma warning( disable : 4100 )
#endif

int
pthread_attr_setscope(pthread_attr_t *attr, int contentionscope)
{
#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
  switch (contentionscope) {
  case PTHREAD_SCOPE_SYSTEM:
    (*attr)->contentionscope = contentionscope;
    return 0;
  case PTHREAD_SCOPE_PROCESS:
    return ENOTSUP;
  default:
    return EINVAL;
  }
#else
  return ENOSYS;
#endif
}