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102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
/*
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* sched_setscheduler.c
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*
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* Description:
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* POSIX thread functions that deal with thread scheduling.
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*
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* --------------------------------------------------------------------------
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*
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* Pthreads-embedded (PTE) - POSIX Threads Library for embedded systems
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* Copyright(C) 2008 Jason Schmidlapp
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*
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* Contact Email: jschmidlapp@users.sourceforge.net
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*
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*
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* Based upon Pthreads-win32 - POSIX Threads Library for Win32
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* Copyright(C) 1998 John E. Bossom
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* Copyright(C) 1999,2005 Pthreads-win32 contributors
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*
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* Contact Email: rpj@callisto.canberra.edu.au
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*
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* The original list of contributors to the Pthreads-win32 project
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* is contained in the file CONTRIBUTORS.ptw32 included with the
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* source code distribution. The list can also be seen at the
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* following World Wide Web location:
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* http://sources.redhat.com/pthreads-win32/contributors.html
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library in the file COPYING.LIB;
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* if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "pte_osal.h"
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#include "pthread.h"
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#include "implement.h"
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#include "sched.h"
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int
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sched_setscheduler (pid_t pid, int policy)
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{
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errno = EPERM;
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return -1;
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}
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int
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sched_yield (void)
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/*
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* ------------------------------------------------------
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* DOCPUBLIC
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* This function indicates that the calling thread is
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* willing to give up some time slices to other threads.
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*
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* PARAMETERS
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* N/A
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*
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*
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* DESCRIPTION
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* This function indicates that the calling thread is
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* willing to give up some time slices to other threads.
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* NOTE: Since this is part of POSIX 1003.1b
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* (realtime extensions), it is defined as returning
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* -1 if an error occurs and sets errno to the actual
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* error.
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*
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* RESULTS
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* 0 successfully created semaphore,
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* ENOSYS sched_yield not supported,
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*
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* ------------------------------------------------------
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*/
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{
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pte_osThreadSleep (1);
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return 0;
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}
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int
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sched_get_priority_min (int policy)
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{
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return pte_osThreadGetMinPriority();
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}
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int
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sched_get_priority_max (int policy)
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{
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return pte_osThreadGetMaxPriority();
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}
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