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- // Copyright 2021 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.
- #ifndef BASE_ALLOCATOR_PARTITION_ALLOCATOR_ALLOCATION_GUARD_H_
- #define BASE_ALLOCATOR_PARTITION_ALLOCATOR_ALLOCATION_GUARD_H_
- #include "base/allocator/partition_allocator/partition_alloc_base/component_export.h"
- #include "base/allocator/partition_allocator/partition_alloc_config.h"
- #include "build/build_config.h"
- namespace partition_alloc {
- #if defined(PA_HAS_ALLOCATION_GUARD)
- // Disallow allocations in the scope. Does not nest.
- class PA_COMPONENT_EXPORT(PARTITION_ALLOC) ScopedDisallowAllocations {
- public:
- ScopedDisallowAllocations();
- ~ScopedDisallowAllocations();
- };
- // Disallow allocations in the scope. Does not nest.
- class PA_COMPONENT_EXPORT(PARTITION_ALLOC) ScopedAllowAllocations {
- public:
- ScopedAllowAllocations();
- ~ScopedAllowAllocations();
- private:
- bool saved_value_;
- };
- #else
- struct [[maybe_unused]] ScopedDisallowAllocations{};
- struct [[maybe_unused]] ScopedAllowAllocations{};
- #endif // defined(PA_HAS_ALLOCATION_GUARD)
- } // namespace partition_alloc
- namespace base::internal {
- using ::partition_alloc::ScopedAllowAllocations;
- using ::partition_alloc::ScopedDisallowAllocations;
- } // namespace base::internal
- #endif // BASE_ALLOCATOR_PARTITION_ALLOCATOR_ALLOCATION_GUARD_H_
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