diff options
Diffstat (limited to 'nptl/sysdeps/pthread/allocalim.h')
-rw-r--r-- | nptl/sysdeps/pthread/allocalim.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/nptl/sysdeps/pthread/allocalim.h b/nptl/sysdeps/pthread/allocalim.h new file mode 100644 index 0000000000..2d666c0b0a --- /dev/null +++ b/nptl/sysdeps/pthread/allocalim.h @@ -0,0 +1,29 @@ +/* Determine whether block of given size can be allocated on the stack or not. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <alloca.h> +#include <limits.h> + + +extern inline int +__libc_use_alloca (size_t size) +{ + return (__builtin_expect (size <= PTHREAD_STACK_MIN / 4, 1) + || __libc_alloca_cutoff (size)); +} |