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This commit is contained in:
Eric Fiselier 2015-03-09 15:48:51 -04:00
parent e60561a779
commit d20cdf19ca
1 changed files with 10 additions and 8 deletions
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18
src/walltime.cc
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@ -15,10 +15,12 @@
#include "walltime.h"
#include <sys/time.h>
#include <time.h>
#include <cstdio>
#include <cstdint>
#include <cstring>
#include <ctime>
#include <atomic>
#include <limits>
#include <type_traits>
@ -31,8 +33,8 @@ namespace benchmark {
namespace walltime {
namespace {
inline bool SplitTimezone(WallTime value, bool local, struct tm* t,
double* subsecond) {
bool SplitTimezone(WallTime value, bool local, struct tm* t,
double* subsecond) {
memset(t, 0, sizeof(*t));
if ((value < 0) || (value > std::numeric_limits<time_t>::max())) {
*subsecond = 0.0;
@ -50,14 +52,14 @@ inline bool SplitTimezone(WallTime value, bool local, struct tm* t,
} // end anonymous namespace
namespace internal {
namespace {
class WallTimeImp
{
public:
WallTime Now();
static WallTimeImp & GetWallTimeImp() {
static WallTimeImp& GetWallTimeImp() {
static WallTimeImp imp;
#if __cplusplus >= 201103L
static_assert(std::is_trivially_destructible<WallTimeImp>::value,
@ -85,7 +87,7 @@ private:
return f;
}
WallTime Slow() {
WallTime Slow() const {
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec + tv.tv_usec * 1e-6;
@ -158,12 +160,12 @@ WallTimeImp::WallTimeImp()
last_adjust_time_ = static_cast<uint32_t>(uint64_t(base_cycletime_) >> 32);
}
} // end namespace internal
} // end anonymous namespace
WallTime Now()
{
static internal::WallTimeImp& imp = internal::WallTimeImp::GetWallTimeImp();
static WallTimeImp& imp = WallTimeImp::GetWallTimeImp();
return imp.Now();
}