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glibc  2.9
pthread_attr_setstacksize.c
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00001 /* Copyright (C) 2002, 2003, 2006 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 <limits.h>
00023 #include "pthreadP.h"
00024 
00025 #ifndef NEW_VERNUM
00026 # define NEW_VERNUM GLIBC_2_3_3
00027 #endif
00028 
00029 
00030 int
00031 __pthread_attr_setstacksize (attr, stacksize)
00032      pthread_attr_t *attr;
00033      size_t stacksize;
00034 {
00035   struct pthread_attr *iattr;
00036 
00037   assert (sizeof (*attr) >= sizeof (struct pthread_attr));
00038   iattr = (struct pthread_attr *) attr;
00039 
00040   /* Catch invalid sizes.  */
00041   if (stacksize < PTHREAD_STACK_MIN)
00042     return EINVAL;
00043 
00044   iattr->stacksize = stacksize;
00045 
00046   return 0;
00047 }
00048 
00049 #if PTHREAD_STACK_MIN == 16384
00050 strong_alias (__pthread_attr_setstacksize, pthread_attr_setstacksize)
00051 #else
00052 # include <shlib-compat.h>
00053 versioned_symbol (libpthread, __pthread_attr_setstacksize,
00054                 pthread_attr_setstacksize, NEW_VERNUM);
00055 
00056 # if SHLIB_COMPAT(libpthread, GLIBC_2_1, NEW_VERNUM)
00057 
00058 int
00059 __old_pthread_attr_setstacksize (pthread_attr_t *attr, size_t stacksize)
00060 {
00061   struct pthread_attr *iattr;
00062 
00063   assert (sizeof (*attr) >= sizeof (struct pthread_attr));
00064   iattr = (struct pthread_attr *) attr;
00065 
00066   /* Catch invalid sizes.  */
00067   if (stacksize < 16384)
00068     return EINVAL;
00069 
00070 #  ifdef STACKSIZE_ADJUST
00071   STACKSIZE_ADJUST;
00072 #  endif
00073 
00074   iattr->stacksize = stacksize;
00075 
00076   return 0;
00077 }
00078 
00079 compat_symbol (libpthread, __old_pthread_attr_setstacksize,
00080               pthread_attr_setstacksize, GLIBC_2_1);
00081 # endif
00082 
00083 #endif