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// Copyright 2018 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "test/scoped_guarded_page.h"
#include <windows.h>
#include "base/logging.h"
#include "base/process/process_metrics.h"
namespace crashpad {
namespace test {
ScopedGuardedPage::ScopedGuardedPage() {
const size_t page_size = base::GetPageSize();
ptr_ = VirtualAlloc(nullptr, page_size * 2, MEM_RESERVE, PAGE_NOACCESS);
PCHECK(ptr_ != nullptr) << "VirtualAlloc";
PCHECK(VirtualAlloc(ptr_, page_size, MEM_COMMIT, PAGE_READWRITE) != nullptr)
<< "VirtualAlloc";
}
ScopedGuardedPage::~ScopedGuardedPage() {
PCHECK(VirtualFree(ptr_, 0, MEM_RELEASE)) << "VirtualFree";
}
} // namespace test
} // namespace crashpad