| /* System-specific malloc support functions. Generic version. |
| Copyright (C) 2012-2016 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; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <stdbool.h> |
| #include <unistd.h> |
| |
| /* Force an unmap when the heap shrinks in a secure exec. This ensures that |
| the old data pages immediately cease to be accessible. */ |
| static inline bool |
| check_may_shrink_heap (void) |
| { |
| return __libc_enable_secure; |
| } |