| // Copyright 2021 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "partition_alloc/partition_alloc_base/memory/page_size.h" |
| |
| #include <unistd.h> |
| |
| namespace partition_alloc::internal::base { |
| |
| size_t GetPageSize() { |
| static const size_t pagesize = []() -> size_t { |
| // For more information see getpagesize(2). Portable applications should use |
| // sysconf(_SC_PAGESIZE) rather than getpagesize() if it's available. |
| #if defined(_SC_PAGESIZE) |
| return static_cast<size_t>(sysconf(_SC_PAGESIZE)); |
| #else |
| return getpagesize(); |
| #endif |
| }(); |
| return pagesize; |
| } |
| |
| } // namespace partition_alloc::internal::base |
