mirrors/Atmosphere
1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere.git synced 2025-05-20 01:45:07 -04:00
Code Issues Projects Releases Packages Wiki Activity

kern: use new AtomicRef, use Atomic<bool>

Browse source
This commit is contained in:
Michael Scire 2021-10-20 13:29:38 -07:00
parent aed9d3f535
commit 20716cb3de
7 changed files with 334 additions and 160 deletions
Download patch file Download diff file Expand all files Collapse all files

9
libraries/libmesosphere/source/kern_k_scheduler.cpp
View file

@ -246,9 +246,9 @@ namespace ams::kern {
if (cur_process != nullptr) {
/* NOTE: Combining this into AMS_LIKELY(!... && ...) triggers an internal compiler error: Segmentation fault in GCC 9.2.0. */
if (AMS_LIKELY(!cur_thread->IsTerminationRequested()) && AMS_LIKELY(cur_thread->GetActiveCore() == m_core_id)) {
m_state.prev_thread.Store<std::memory_order_relaxed>(cur_thread);
m_state.prev_thread = cur_thread;
} else {
m_state.prev_thread.Store<std::memory_order_relaxed>(nullptr);
m_state.prev_thread =nullptr;
}
}
@ -270,9 +270,12 @@ namespace ams::kern {
void KScheduler::ClearPreviousThread(KThread *thread) {
MESOSPHERE_ASSERT(IsSchedulerLockedByCurrentThread());
for (size_t i = 0; i < cpu::NumCores; ++i) {
/* Get an atomic reference to the core scheduler's previous thread. */
const util::AtomicRef<KThread *> prev_thread(Kernel::GetScheduler(static_cast<s32>(i)).m_state.prev_thread);
/* Atomically clear the previous thread if it's our target. */
KThread *compare = thread;
Kernel::GetScheduler(static_cast<s32>(i)).m_state.prev_thread.CompareExchangeStrong(compare, nullptr);
prev_thread.CompareExchangeStrong(compare, nullptr);
}
}