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/System/TimeValue.h"
15 #include "llvm/Config/config.h"
20 const TimeValue TimeValue::MinTime = TimeValue ( INT64_MIN,0 );
21 const TimeValue TimeValue::MaxTime = TimeValue ( INT64_MAX,0 );
22 const TimeValue TimeValue::ZeroTime = TimeValue ( 0,0 );
23 const TimeValue TimeValue::PosixZeroTime = TimeValue ( -946684800,0 );
24 const TimeValue TimeValue::Win32ZeroTime = TimeValue ( -12591158400ULL,0 );
27 TimeValue::normalize( void ) {
28 if ( nanos_ >= NANOSECONDS_PER_SECOND ) {
31 nanos_ -= NANOSECONDS_PER_SECOND;
32 } while ( nanos_ >= NANOSECONDS_PER_SECOND );
33 } else if (nanos_ <= -NANOSECONDS_PER_SECOND ) {
36 nanos_ += NANOSECONDS_PER_SECOND;
37 } while (nanos_ <= -NANOSECONDS_PER_SECOND);
40 if (seconds_ >= 1 && nanos_ < 0) {
42 nanos_ += NANOSECONDS_PER_SECOND;
43 } else if (seconds_ < 0 && nanos_ > 0) {
45 nanos_ -= NANOSECONDS_PER_SECOND;
51 /// Include the platform specific portion of TimeValue class
53 #include "Unix/TimeValue.inc"
56 #include "Win32/TimeValue.inc"