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glibc  2.9
pthread_attr_destroy.c
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00001 /* Copyright (C) 2002, 2003, 2004 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 <assert.h>
00021 #include <errno.h>
00022 #include <string.h>
00023 #include <unistd.h>
00024 #include "pthreadP.h"
00025 #include <shlib-compat.h>
00026 
00027 int
00028 __pthread_attr_destroy (attr)
00029      pthread_attr_t *attr;
00030 {
00031   struct pthread_attr *iattr;
00032 
00033   assert (sizeof (*attr) >= sizeof (struct pthread_attr));
00034   iattr = (struct pthread_attr *) attr;
00035 
00036 #if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
00037   /* In old struct pthread_attr, neither next nor cpuset are
00038      present.  */
00039   if (__builtin_expect ((iattr->flags & ATTR_FLAG_OLDATTR), 0) == 0)
00040 #endif
00041     /* The affinity CPU set might be allocated dynamically.  */
00042     free (iattr->cpuset);
00043 
00044   return 0;
00045 }
00046 strong_alias (__pthread_attr_destroy, pthread_attr_destroy)