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glibc  2.9
pthread_setconcurrency.c
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00001 /* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <errno.h>
00021 #include "pthreadP.h"
00022 
00023 
00024 /* Global definition.  Needed in pthread_getconcurrency as well.  */
00025 int __concurrency_level;
00026 
00027 
00028 int
00029 pthread_setconcurrency (level)
00030      int level;
00031 {
00032   if (level < 0)
00033     return EINVAL;
00034 
00035   __concurrency_level = level;
00036 
00037   /* XXX For ports which actually need to handle the concurrency level
00038      some more code is probably needed here.  */
00039 
00040   return 0;
00041 }