| /* Determine whether block of given size can be allocated on the stack or not. |
| Copyright (C) 2002-2014 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 Lesser General Public License as |
| published by the Free Software Foundation; either version 2.1 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; see the file COPYING.LIB. If |
| not, see <http://www.gnu.org/licenses/>. */ |
| |
| #include <alloca.h> |
| #include <stdlib.h> |
| #include <sys/param.h> |
| #include <pthreadP.h> |
| |
| |
| int |
| __libc_alloca_cutoff (size_t size) |
| { |
| return size <= (MIN (__MAX_ALLOCA_CUTOFF, |
| THREAD_GETMEM (THREAD_SELF, stackblock_size) / 4 |
| /* The main thread, before the thread library is |
| initialized, has zero in the stackblock_size |
| element. Since it is the main thread we can |
| assume the maximum available stack space. */ |
| ?: __MAX_ALLOCA_CUTOFF * 4)); |
| } |
| libc_hidden_def (__libc_alloca_cutoff) |
