/* Memory allocation aligned to system page boundaries. Copyright (C) 2005 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef _PAGEALIGN_ALLOC_H # define _PAGEALIGN_ALLOC_H # include <stddef.h> /* Allocate a block of memory of SIZE bytes, aligned on a system page boundary. If SIZE is not a multiple of the system page size, it will be rounded up to the next multiple. Return a pointer to the start of the memory block. Upon allocation failure, return NULL and set errno. */ extern void *pagealign_alloc (size_t size); /* Like pagealign_alloc, except it exits the program if the allocation fails. */ extern void *pagealign_xalloc (size_t size); /* Free a memory block. PTR must be a non-NULL pointer returned by pagealign_alloc or pagealign_xalloc. */ extern void pagealign_free (void *ptr); #endif /* _PAGEALIGN_ALLOC_H */