mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-24 14:26:09 +03:00
34 lines
900 B
C++
34 lines
900 B
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "base/mac/scoped_mach_vm.h"
|
|
|
|
namespace base {
|
|
namespace mac {
|
|
|
|
void ScopedMachVM::reset(vm_address_t address, vm_size_t size) {
|
|
DCHECK_EQ(address % PAGE_SIZE, 0u);
|
|
DCHECK_EQ(size % PAGE_SIZE, 0u);
|
|
|
|
if (size_) {
|
|
if (address_ < address) {
|
|
vm_deallocate(mach_task_self(),
|
|
address_,
|
|
std::min(size_, address - address_));
|
|
}
|
|
if (address_ + size_ > address + size) {
|
|
vm_address_t deallocate_start = std::max(address_, address + size);
|
|
vm_deallocate(mach_task_self(),
|
|
deallocate_start,
|
|
address_ + size_ - deallocate_start);
|
|
}
|
|
}
|
|
|
|
address_ = address;
|
|
size_ = size;
|
|
}
|
|
|
|
} // namespace mac
|
|
} // namespace base
|