72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
/*
|
|
* sched_yield.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.,
|
|
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
|
*/
|
|
|
|
#include "pthread.h"
|
|
#include "implement.h"
|
|
#include "sched.h"
|
|
|
|
int
|
|
sched_yield (void)
|
|
/*
|
|
* ------------------------------------------------------
|
|
* DOCPUBLIC
|
|
* This function indicates that the calling thread is
|
|
* willing to give up some time slices to other threads.
|
|
*
|
|
* PARAMETERS
|
|
* N/A
|
|
*
|
|
*
|
|
* DESCRIPTION
|
|
* This function indicates that the calling thread is
|
|
* willing to give up some time slices to other threads.
|
|
* NOTE: Since this is part of POSIX 1003.1b
|
|
* (realtime extensions), it is defined as returning
|
|
* -1 if an error occurs and sets errno to the actual
|
|
* error.
|
|
*
|
|
* RESULTS
|
|
* 0 successfully created semaphore,
|
|
* ENOSYS sched_yield not supported,
|
|
*
|
|
* ------------------------------------------------------
|
|
*/
|
|
{
|
|
Sleep (0);
|
|
|
|
return 0;
|
|
}
|