glibc/sysdeps/nacl/munmap.c

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2015-04-18 00:02:19 +08:00
/* Deallocate a region of 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/mman.h>
#include <nacl-interfaces.h>
/* Deallocate any mapping for the region starting at ADDR and extending LEN
bytes. Returns 0 if successful, -1 for errors (and sets errno). */
int
__munmap (__ptr_t addr, size_t len)
{
return NACL_CALL (__nacl_irt_memory.munmap (addr, len), 0);
}
weak_alias (__munmap, munmap)