| //===- Unix/TimeValue.cpp - Unix TimeValue Implementation -------*- 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 Unix specific portion of the TimeValue class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| //=== WARNING: Implementation here must contain only generic UNIX code that |
| //=== is guaranteed to work on *all* UNIX variants. |
| //===----------------------------------------------------------------------===// |
| |
| #include "Unix.h" |
| |
| namespace llvm { |
| using namespace sys; |
| |
| std::string TimeValue::str() const { |
| char buffer[32]; |
| |
| time_t ourTime = time_t(this->toEpochTime()); |
| #ifdef __hpux |
| // note that the following line needs -D_REENTRANT on HP-UX to be picked up |
| asctime_r(localtime(&ourTime), buffer); |
| #else |
| ::asctime_r(::localtime(&ourTime), buffer); |
| #endif |
| |
| std::string result(buffer); |
| return result.substr(0,24); |
| } |
| |
| TimeValue TimeValue::now() { |
| struct timeval the_time; |
| timerclear(&the_time); |
| if (0 != ::gettimeofday(&the_time,0)) { |
| // This is *really* unlikely to occur because the only gettimeofday |
| // errors concern the timezone parameter which we're passing in as 0. |
| // In the unlikely case it does happen, just return MinTime, no error |
| // message needed. |
| return MinTime; |
| } |
| |
| return TimeValue( |
| static_cast<TimeValue::SecondsType>( the_time.tv_sec + PosixZeroTime.seconds_ ), |
| static_cast<TimeValue::NanoSecondsType>( the_time.tv_usec * |
| NANOSECONDS_PER_MICROSECOND ) ); |
| } |
| |
| } |
