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Time correction (#159)

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* Improved the cpackage build. Also removed test compilation warnings

* To correcte what was reported in issue 155 (https://github.com/KjellKod/g3log/issues/155)
This commit is contained in:
Kjell Hedström 2017-03-28 11:09:10 -06:00 committed by GitHub
parent 417ae2ca10
commit 6e77118706
1 changed files with 11 additions and 3 deletions
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14
src/time.cpp
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@ -99,10 +99,18 @@ namespace g3 {
//
// Time stamps will later have system clock accuracy but relative times will have the precision
// of the high resolution clock.
thread_local const auto os =
time_point_cast<nanoseconds>(system_clock::now()).time_since_epoch() -
thread_local const auto os_system =
time_point_cast<nanoseconds>(system_clock::now()).time_since_epoch();
thread_local const auto os_high_resolution =
time_point_cast<nanoseconds>(high_resolution_clock::now()).time_since_epoch();
thread_local auto os = os_system - os_high_resolution;
// 32-bit system work-around, where apparenetly the os correction above could sometimes
// become negative. This correction will only be done once per thread
if (os.count() < 0 ) {
os = os_system;
}
auto now_ns = (time_point_cast<nanoseconds>(high_resolution_clock::now()).time_since_epoch() + os).count();
const auto kNanos = 1000000000;
ts ->tv_sec = now_ns / kNanos;