[llvm-commits] CVS: llvm/lib/System/TimeValue.cpp

[Reid Spencer]

Changes in directory llvm/lib/System:

TimeValue.cpp added (r1.1)
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Log message:

Initial implementation of the TimeValue abstraction.


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Diffs of the changes:  (+53 -0)

Index: llvm/lib/System/TimeValue.cpp
diff -c /dev/null llvm/lib/System/TimeValue.cpp:1.1
*** /dev/null	Fri Sep 24 18:25:29 2004
--- llvm/lib/System/TimeValue.cpp	Fri Sep 24 18:25:19 2004
***************
*** 0 ****
--- 1,53 ----
+ //===-- TimeValue.cpp - Implement OS TimeValue Concept ----------*- C++ -*-===//
+ // 
+ //                     The LLVM Compiler Infrastructure
+ //
+ // This file was developed by Reid Spencer and 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/System/TimeValue.h>
+ 
+ namespace llvm {
+ using namespace sys;
+ 
+ const TimeValue TimeValue::MinTime 		= TimeValue ( INT64_MIN,0 );
+ const TimeValue TimeValue::MaxTime 		= TimeValue ( INT64_MAX,0 );
+ const TimeValue TimeValue::ZeroTime		= TimeValue ( 0,0 );
+ const TimeValue TimeValue::PosixZeroTime 	= TimeValue ( -946684800,0 );
+ const TimeValue TimeValue::Win32ZeroTime 	= TimeValue ( -12591158400ULL,0 );
+ 
+ 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
+ #include "platform/TimeValue.cpp"
+ 
+ // vim: sw=2 smartindent smarttab tw=80 autoindent expandtab