1 //===-- TimeValue.cpp - Implement OS TimeValue Concept ----------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the operating system TimeValue concept.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/Support/TimeValue.h"
15 #include "llvm/Config/config.h"
20 const TimeValue::SecondsType
21 TimeValue::PosixZeroTimeSeconds = -946684800;
22 const TimeValue::SecondsType
23 TimeValue::Win32ZeroTimeSeconds = -12591158400ULL;
25 const TimeValue TimeValue::MinTime = TimeValue ( INT64_MIN,0 );
26 const TimeValue TimeValue::MaxTime = TimeValue ( INT64_MAX,0 );
27 const TimeValue TimeValue::ZeroTime = TimeValue ( 0,0 );
28 const TimeValue TimeValue::PosixZeroTime = TimeValue ( PosixZeroTimeSeconds,0 );
29 const TimeValue TimeValue::Win32ZeroTime = TimeValue ( Win32ZeroTimeSeconds,0 );
32 TimeValue::normalize( void ) {
33 if ( nanos_ >= NANOSECONDS_PER_SECOND ) {
36 nanos_ -= NANOSECONDS_PER_SECOND;
37 } while ( nanos_ >= NANOSECONDS_PER_SECOND );
38 } else if (nanos_ <= -NANOSECONDS_PER_SECOND ) {
41 nanos_ += NANOSECONDS_PER_SECOND;
42 } while (nanos_ <= -NANOSECONDS_PER_SECOND);
45 if (seconds_ >= 1 && nanos_ < 0) {
47 nanos_ += NANOSECONDS_PER_SECOND;
48 } else if (seconds_ < 0 && nanos_ > 0) {
50 nanos_ -= NANOSECONDS_PER_SECOND;
56 /// Include the platform-specific portion of TimeValue class
58 #include "Unix/TimeValue.inc"
61 #include "Windows/TimeValue.inc"