40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
/*
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* Copyright (C) 2023 The Android Open Source Project
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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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*/
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#include <utils/architecture.h>
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#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
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# include <unistd.h>
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#elif defined(WIN32)
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# include <windows.h>
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#endif
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namespace utils::arch {
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size_t getPageSize() noexcept {
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#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
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return size_t(sysconf(_SC_PAGESIZE));
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#elif defined(WIN32)
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SYSTEM_INFO sysInfo;
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GetSystemInfo(&sysInfo);
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return size_t(sysInfo.dwPageSize);
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#else
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return 4096u;
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#endif
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}
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} // namespace utils::arch
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