Lightemerald/windows-user-space-emulator
2
0
Fork 0
mirror of https://github.com/momo5502/emulator.git synced 2026-01-20 12:13:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

Use clock interfaces to precisely control time

Browse Source
This commit is contained in:
Maurice Heumann
2025-03-18 11:48:44 +01:00
parent 0a28b13d07
commit 450e3c2a9c
15 changed files with 214 additions and 97 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/common/utils/time.cpp
View File

@@ -3,7 +3,9 @@
namespace utils
{
std::chrono::steady_clock::time_point convert_delay_interval_to_time_point(const LARGE_INTEGER delay_interval)
std::chrono::steady_clock::time_point convert_delay_interval_to_time_point(steady_clock& steady_time,
system_clock& system_time,
const LARGE_INTEGER delay_interval)
{
if (delay_interval.QuadPart <= 0)
{
@@ -13,7 +15,7 @@ namespace utils
const auto relative_duration =
std::chrono::microseconds(relative_ticks_in_ms) + std::chrono::nanoseconds(relative_fraction_ns);
return std::chrono::steady_clock::now() + relative_duration;
return steady_time.now() + relative_duration;
}
const auto delay_seconds_since_1601 = delay_interval.QuadPart / HUNDRED_NANOSECONDS_IN_ONE_SECOND;
@@ -24,12 +26,12 @@ namespace utils
const auto target_time = std::chrono::system_clock::from_time_t(delay_seconds_since_1970) +
std::chrono::nanoseconds(delay_fraction_ns);
const auto now_system = std::chrono::system_clock::now();
const auto now_system = system_time.now();
const auto duration_until_target =
std::chrono::duration_cast<std::chrono::microseconds>(target_time - now_system);
return std::chrono::steady_clock::now() + duration_until_target;
return steady_time.now() + duration_until_target;
}
KSYSTEM_TIME convert_to_ksystem_time(const std::chrono::system_clock::time_point& tp)