52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
// Copyright 2018 The Crashpad Authors
|
|
//
|
|
// 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.
|
|
|
|
#ifndef CRASHPAD_TEST_SCOPED_GUARDED_PAGE_
|
|
#define CRASHPAD_TEST_SCOPED_GUARDED_PAGE_
|
|
|
|
|
|
namespace crashpad {
|
|
namespace test {
|
|
|
|
//! \brief A RAII object that allocates a read-write page with an inacessible
|
|
//! page following it.
|
|
//!
|
|
//! Upon construction, a mapping will be created. Failure to create the mapping
|
|
//! is fatal. On destruction, the mapping is freed.
|
|
//!
|
|
//! This object should not be used in multi-threded contexts, the POSIX
|
|
//! implementation can not be made thread-safe.
|
|
class ScopedGuardedPage {
|
|
public:
|
|
ScopedGuardedPage();
|
|
|
|
ScopedGuardedPage(const ScopedGuardedPage&) = delete;
|
|
ScopedGuardedPage& operator=(const ScopedGuardedPage&) = delete;
|
|
|
|
~ScopedGuardedPage();
|
|
|
|
//! \brief Returns the address of the read-write page.
|
|
//!
|
|
//! \return The address of the read-write page.
|
|
void* Pointer() const { return ptr_; }
|
|
|
|
private:
|
|
void* ptr_;
|
|
};
|
|
|
|
} // namespace test
|
|
} // namespace crashpad
|
|
|
|
#endif // CRASHPAD_TEST_SCOPED_GUARDED_PAGE_
|