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e5534c4419
Bug: dawn:340 Change-Id: I6fa1948261e8e6f91324464dade3e9954bd833e5 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/15861 Reviewed-by: Jiawei Shao <jiawei.shao@intel.com> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Austin Eng <enga@chromium.org>
38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
// Copyright 2020 The Dawn 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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#ifndef COMMON_PLACEMENTALLOCATED_H_
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#define COMMON_PLACEMENTALLOCATED_H_
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#include <cstddef>
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class PlacementAllocated {
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public:
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// Delete the default new operator so this can only be created with placement new.
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void* operator new(size_t) = delete;
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void* operator new(size_t size, void* ptr) {
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// Pass through the pointer of the allocation. This is essentially the default
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// placement-new implementation, but we must define it if we delete the default
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// new operator.
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return ptr;
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}
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void operator delete(void* ptr) {
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// Object is placement-allocated. Don't free the memory.
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}
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};
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#endif // COMMON_PLACEMENTALLOCATED_H_
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