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//===-- TimeValue.h ---------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_TimeValue_h_
#define liblldb_TimeValue_h_
// C Includes
#include "lldb/Host/PosixApi.h"
#include <stdint.h>
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/lldb-private.h"
namespace lldb_private {
class TimeValue {
public:
static const uint64_t MicroSecPerSec = 1000000UL;
static const uint64_t NanoSecPerSec = 1000000000UL;
static const uint64_t NanoSecPerMicroSec = 1000U;
static const uint64_t NanoSecPerMilliSec = 1000000UL;
//------------------------------------------------------------------
// Constructors and Destructors
//------------------------------------------------------------------
TimeValue();
TimeValue(const TimeValue &rhs);
TimeValue(const struct timespec &ts);
explicit TimeValue(uint32_t seconds, uint64_t nanos = 0);
~TimeValue();
//------------------------------------------------------------------
// Operators
//------------------------------------------------------------------
const TimeValue &operator=(const TimeValue &rhs);
void Clear();
uint64_t GetAsNanoSecondsSinceJan1_1970() const;
uint64_t GetAsMicroSecondsSinceJan1_1970() const;
uint64_t GetAsSecondsSinceJan1_1970() const;
struct timespec GetAsTimeSpec() const;
bool IsValid() const;
void OffsetWithSeconds(uint64_t sec);
void OffsetWithMicroSeconds(uint64_t usec);
void OffsetWithNanoSeconds(uint64_t nsec);
static TimeValue Now();
void Dump(Stream *s, uint32_t width = 0) const;
/// Returns only the seconds component of the TimeValue. The nanoseconds
/// portion is ignored. No rounding is performed.
/// @brief Retrieve the seconds component
uint32_t seconds() const { return m_nano_seconds / NanoSecPerSec; }
/// Returns only the nanoseconds component of the TimeValue. The seconds
/// portion is ignored.
/// @brief Retrieve the nanoseconds component.
uint32_t nanoseconds() const { return m_nano_seconds % NanoSecPerSec; }
/// Returns only the fractional portion of the TimeValue rounded down to the
/// nearest microsecond (divide by one thousand).
/// @brief Retrieve the fractional part as microseconds;
uint32_t microseconds() const {
return (m_nano_seconds % NanoSecPerSec) / NanoSecPerMicroSec;
}
/// Returns only the fractional portion of the TimeValue rounded down to the
/// nearest millisecond (divide by one million).
/// @brief Retrieve the milliseconds component;
uint32_t milliseconds() const { return m_nano_seconds / NanoSecPerMilliSec; }
protected:
//------------------------------------------------------------------
// Classes that inherit from TimeValue can see and modify these
//------------------------------------------------------------------
uint64_t m_nano_seconds;
};
bool operator==(const TimeValue &lhs, const TimeValue &rhs);
bool operator!=(const TimeValue &lhs, const TimeValue &rhs);
bool operator<(const TimeValue &lhs, const TimeValue &rhs);
bool operator<=(const TimeValue &lhs, const TimeValue &rhs);
bool operator>(const TimeValue &lhs, const TimeValue &rhs);
bool operator>=(const TimeValue &lhs, const TimeValue &rhs);
uint64_t operator-(const TimeValue &lhs, const TimeValue &rhs);
} // namespace lldb_private
#endif // liblldb_TimeValue_h_
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