llvm-6502/lib/Support/TimeValue.cpp
Chris Bieneman 77bf4f97bf Cleaning up static initializers in TimeValue.
Code reviewed by Chandlerc

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216703 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-29 01:05:12 +00:00

57 lines
1.5 KiB
C++

//===-- TimeValue.cpp - Implement OS TimeValue Concept ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the operating system TimeValue concept.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/TimeValue.h"
#include "llvm/Config/config.h"
namespace llvm {
using namespace sys;
const TimeValue::SecondsType
TimeValue::PosixZeroTimeSeconds = -946684800;
const TimeValue::SecondsType
TimeValue::Win32ZeroTimeSeconds = -12591158400ULL;
void
TimeValue::normalize( void ) {
if ( nanos_ >= NANOSECONDS_PER_SECOND ) {
do {
seconds_++;
nanos_ -= NANOSECONDS_PER_SECOND;
} while ( nanos_ >= NANOSECONDS_PER_SECOND );
} else if (nanos_ <= -NANOSECONDS_PER_SECOND ) {
do {
seconds_--;
nanos_ += NANOSECONDS_PER_SECOND;
} while (nanos_ <= -NANOSECONDS_PER_SECOND);
}
if (seconds_ >= 1 && nanos_ < 0) {
seconds_--;
nanos_ += NANOSECONDS_PER_SECOND;
} else if (seconds_ < 0 && nanos_ > 0) {
seconds_++;
nanos_ -= NANOSECONDS_PER_SECOND;
}
}
}
/// Include the platform-specific portion of TimeValue class
#ifdef LLVM_ON_UNIX
#include "Unix/TimeValue.inc"
#endif
#ifdef LLVM_ON_WIN32
#include "Windows/TimeValue.inc"
#endif