| /* Change memory protections on pages.  NaCl version. | 
 |    Copyright (C) 2015-2016 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 <sys/types.h> | 
 | #include <sys/mman.h> | 
 | #include <nacl-interfaces.h> | 
 |  | 
 |  | 
 | /* Change the memory protection of the region starting at ADDR and | 
 |    extending LEN bytes to PROT.  Returns 0 if successful, -1 for errors | 
 |    (and sets errno).  */ | 
 |  | 
 | int | 
 | __mprotect (__ptr_t addr, size_t len, int prot) | 
 | { | 
 |   return NACL_CALL (__nacl_irt_memory.mprotect (addr, len, prot), 0); | 
 | } | 
 | weak_alias (__mprotect, mprotect) |