yolobs-studio/deps/w32-pthreads/pthread_attr_getschedpolicy.c

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2016-02-23 23:16:51 +00:00
/*
* pthread_attr_getschedpolicy.c
*
* Description:
* POSIX thread functions that deal with thread scheduling.
*
* --------------------------------------------------------------------------
*
* Pthreads-win32 - POSIX Threads Library for Win32
* Copyright(C) 1998 John E. Bossom
* Copyright(C) 1999,2005 Pthreads-win32 contributors
*
* Contact Email: rpj@callisto.canberra.edu.au
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "pthread.h"
#include "implement.h"
#include "sched.h"
int
pthread_attr_getschedpolicy (const pthread_attr_t * attr, int *policy)
{
if (ptw32_is_attr (attr) != 0 || policy == NULL)
{
return EINVAL;
}
/*
* Validate the policy arg.
* Check that a policy constant wasn't passed rather than &policy.
*/
if (policy <= (int *) SCHED_MAX)
{
return EINVAL;
}
*policy = SCHED_OTHER;
return 0;
}