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