diff options
Diffstat (limited to 'sysdeps/nacl/mprotect.c')
-rw-r--r-- | sysdeps/nacl/mprotect.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/sysdeps/nacl/mprotect.c b/sysdeps/nacl/mprotect.c new file mode 100644 index 0000000000..6fd6a4dc06 --- /dev/null +++ b/sysdeps/nacl/mprotect.c @@ -0,0 +1,33 @@ +/* Change memory protections on pages. NaCl version. + Copyright (C) 2015 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) |