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// Copyright 2014 the V8 project 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 V8_BASE_SYS_INFO_H_
#define V8_BASE_SYS_INFO_H_
#include <stdint.h>
#include "src/base/base-export.h"
#include "src/base/compiler-specific.h"
namespace v8 {
namespace base {
class V8_BASE_EXPORT SysInfo final {
public:
// Returns the number of logical processors/core on the current machine.
static int NumberOfProcessors();
// Returns the number of bytes of physical memory on the current machine.
static int64_t AmountOfPhysicalMemory();
// Returns the number of bytes of virtual memory of this process. A return
// value of zero means that there is no limit on the available virtual memory.
static int64_t AmountOfVirtualMemory();
// Returns the end of the virtual address space available to this process.
// Memory mappings at or above this address cannot be addressed by this
// process, so all pointer values will be below this value.
// If the virtual address space is not limited, this will return -1.
static uintptr_t AddressSpaceEnd();
};
} // namespace base
} // namespace v8
#endif // V8_BASE_SYS_INFO_H_
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