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base / memory / page_size_posix.cc [blame]
// 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 "base/memory/page_size.h"
#include <unistd.h>
namespace 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 base