nptl/pthread_attr_setstacksize.c

   1 /* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <assert.h>
  21 #include <errno.h>
  22 #include <limits.h>
  23 #include "pthreadP.h"
  24
  25
  26 int
  27 __pthread_attr_setstacksize (attr, stacksize)
  28      pthread_attr_t *attr;
  29      size_t stacksize;
  30 {
  31   struct pthread_attr *iattr;
  32
  33   assert (sizeof (*attr) >= sizeof (struct pthread_attr));
  34   iattr = (struct pthread_attr *) attr;
  35
  36   /* Catch invalid sizes.  */
  37   if (stacksize < PTHREAD_STACK_MIN)
  38     return EINVAL;
  39
  40   iattr->stacksize = stacksize;
  41
  42   return 0;
  43 }
  44
  45 #if PTHREAD_STACK_MIN == 16384
  46 strong_alias (__pthread_attr_setstacksize, pthread_attr_setstacksize)
  47 #else
  48 # include <shlib-compat.h>
  49 versioned_symbol (libpthread, __pthread_attr_setstacksize,
  50                   pthread_attr_setstacksize, GLIBC_2_3_3);
  51
  52 # if SHLIB_COMPAT(libpthread, GLIBC_2_1, GLIBC_2_3_3)
  53
  54 int
  55 __old_pthread_attr_setstacksize (pthread_attr_t *attr, size_t stacksize)
  56 {
  57   struct pthread_attr *iattr;
  58
  59   assert (sizeof (*attr) >= sizeof (struct pthread_attr));
  60   iattr = (struct pthread_attr *) attr;
  61
  62   /* Catch invalid sizes.  */
  63   if (stacksize < 16384)
  64     return EINVAL;
  65
  66   iattr->stacksize = stacksize;
  67
  68   return 0;
  69 }
  70
  71 compat_symbol (libpthread, __old_pthread_attr_setstacksize,
  72                pthread_attr_setstacksize, GLIBC_2_1);
  73 # endif
  74
  75 #endif