RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 15:07:45 +00:00
Code Issues Activity Actions

Kernel: Only expose CLOCK_REALTIME_COARSE via the kernel time page

Browse source 
Non-COARSE clock sources may probably still require a syscall.
This commit is contained in:
Andreas Kling 2021-08-10 21:08:48 +02:00
parent afa225f55c
commit aaead6f332
2 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Kernel/API/TimePage.h
View file

@ -18,7 +18,7 @@ namespace Kernel {
inline bool time_page_supports(clockid_t clock_id) inline bool time_page_supports(clockid_t clock_id)
{ {
return clock_id == CLOCK_REALTIME; return clock_id == CLOCK_REALTIME_COARSE;
} }
struct TimePage { struct TimePage {

2
Kernel/Time/TimeManagement.cpp
View file

@ -431,7 +431,7 @@ void TimeManagement::update_time_page()
{ {
auto* page = time_page(); auto* page = time_page();
u32 update_iteration = AK::atomic_fetch_add(&page->update2, 1u, AK::MemoryOrder::memory_order_acquire); u32 update_iteration = AK::atomic_fetch_add(&page->update2, 1u, AK::MemoryOrder::memory_order_acquire);
page->clocks[CLOCK_REALTIME] = m_epoch_time; page->clocks[CLOCK_REALTIME_COARSE] = m_epoch_time;
AK::atomic_store(&page->update1, update_iteration + 1u, AK::MemoryOrder::memory_order_release); AK::atomic_store(&page->update1, update_iteration + 1u, AK::MemoryOrder::memory_order_release);
} }