48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/* Copyright (C) 1994-2022 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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/mman.h>
|
|
#include <errno.h>
|
|
#include <mach.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 (void *addr, size_t len)
|
|
{
|
|
kern_return_t err;
|
|
|
|
if (addr == 0)
|
|
{
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
if (err = __vm_deallocate (__mach_task_self (),
|
|
(vm_address_t) addr, (vm_size_t) len))
|
|
{
|
|
errno = err;
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
libc_hidden_def (__munmap)
|
|
weak_alias (__munmap, munmap)
|