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Viewing changes to win32/3rdparty/pthreads/sched_yield.c

  • Committer: Bazaar Package Importer
  • Author(s): Leonel Nunez
  • Date: 2008-02-11 22:52:13 UTC
  • mfrom: (1.1.6 upstream)
  • mto: This revision was merged to the branch mainline in revision 38.
  • Revision ID: james.westby@ubuntu.com-20080211225213-p2uwj4czso1w2f8h
Tags: upstream-0.92~dfsg
Import upstream version 0.92~dfsg

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win32/3rdparty/pthreads/sched_yield.c
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/*
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 * sched_yield.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-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 current list of contributors is contained
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 *      in the file CONTRIBUTORS included with the source
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 *      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 "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_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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  Sleep (0);
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  return 0;
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}