llvm-project/llvm/lib/Support/Chrono.cpp

55 lines
1.6 KiB
C++

//===- Support/Chrono.cpp - Utilities for Timing Manipulation ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Chrono.h"
#include "llvm/Config/config.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
namespace llvm {
using namespace sys;
const char llvm::detail::unit<std::ratio<3600>>::value[] = "h";
const char llvm::detail::unit<std::ratio<60>>::value[] = "m";
const char llvm::detail::unit<std::ratio<1>>::value[] = "s";
const char llvm::detail::unit<std::milli>::value[] = "ms";
const char llvm::detail::unit<std::micro>::value[] = "us";
const char llvm::detail::unit<std::nano>::value[] = "ns";
static inline struct tm getStructTM(TimePoint<> TP) {
struct tm Storage;
std::time_t OurTime = toTimeT(TP);
#if defined(LLVM_ON_UNIX)
struct tm *LT = ::localtime_r(&OurTime, &Storage);
assert(LT);
(void)LT;
#endif
#if defined(LLVM_ON_WIN32)
int Error = ::localtime_s(&Storage, &OurTime);
assert(!Error);
(void)Error;
#endif
return Storage;
}
raw_ostream &operator<<(raw_ostream &OS, TimePoint<> TP) {
struct tm LT = getStructTM(TP);
char Buffer[sizeof("YYYY-MM-DD HH:MM:SS")];
strftime(Buffer, sizeof(Buffer), "%Y-%m-%d %H:%M:%S", &LT);
return OS << Buffer << '.'
<< format("%.9lu",
long((TP.time_since_epoch() % std::chrono::seconds(1))
.count()));
}
} // namespace llvm