TimeValue.inc revision 249423
1178476Sjb//===- Unix/TimeValue.cpp - Unix TimeValue Implementation -------*- C++ -*-===// 2178476Sjb// 3178476Sjb// The LLVM Compiler Infrastructure 4178476Sjb// 5178476Sjb// This file is distributed under the University of Illinois Open Source 6178476Sjb// License. See LICENSE.TXT for details. 7178476Sjb// 8178476Sjb//===----------------------------------------------------------------------===// 9178476Sjb// 10178476Sjb// This file implements the Unix specific portion of the TimeValue class. 11178476Sjb// 12178476Sjb//===----------------------------------------------------------------------===// 13178476Sjb 14178476Sjb//===----------------------------------------------------------------------===// 15178476Sjb//=== WARNING: Implementation here must contain only generic UNIX code that 16178476Sjb//=== is guaranteed to work on *all* UNIX variants. 17178476Sjb//===----------------------------------------------------------------------===// 18178476Sjb 19178476Sjb#include "Unix.h" 20178476Sjb 21178476Sjbnamespace llvm { 22178476Sjb using namespace sys; 23178476Sjb 24178476Sjbstd::string TimeValue::str() const { 25178476Sjb char buffer[32]; 26178476Sjb 27178476Sjb time_t ourTime = time_t(this->toEpochTime()); 28178476Sjb#ifdef __hpux 29178476Sjb// note that the following line needs -D_REENTRANT on HP-UX to be picked up 30178476Sjb asctime_r(localtime(&ourTime), buffer); 31178476Sjb#else 32178476Sjb ::asctime_r(::localtime(&ourTime), buffer); 33178476Sjb#endif 34178476Sjb 35178476Sjb std::string result(buffer); 36178476Sjb return result.substr(0,24); 37178476Sjb} 38178476Sjb 39178476SjbTimeValue TimeValue::now() { 40178476Sjb struct timeval the_time; 41178476Sjb timerclear(&the_time); 42178476Sjb if (0 != ::gettimeofday(&the_time,0)) { 43178476Sjb // This is *really* unlikely to occur because the only gettimeofday 44178476Sjb // errors concern the timezone parameter which we're passing in as 0. 45178476Sjb // In the unlikely case it does happen, just return MinTime, no error 46 // message needed. 47 return MinTime; 48 } 49 50 return TimeValue( 51 static_cast<TimeValue::SecondsType>( the_time.tv_sec + 52 PosixZeroTimeSeconds ), 53 static_cast<TimeValue::NanoSecondsType>( the_time.tv_usec * 54 NANOSECONDS_PER_MICROSECOND ) ); 55} 56 57} 58