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Scheduler: Correct yielding interaction with SetThreadActivity.

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This commit is contained in:
Fernando Sahmkow 2020-03-12 19:53:54 -04:00
parent 7020d498c5
commit db68fba4a6
1 changed files with 15 additions and 0 deletions
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15
src/core/hle/kernel/scheduler.cpp
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@ -144,6 +144,11 @@ u32 GlobalScheduler::SelectThreads() {
bool GlobalScheduler::YieldThread(Thread* yielding_thread) { bool GlobalScheduler::YieldThread(Thread* yielding_thread) {
ASSERT(is_locked); ASSERT(is_locked);
// Note: caller should use critical section, etc. // Note: caller should use critical section, etc.
if (!yielding_thread->IsRunnable()) {
// Normally this case shouldn't happen except for SetThreadActivity.
is_reselection_pending.store(true, std::memory_order_release);
return false;
}
const u32 core_id = static_cast<u32>(yielding_thread->GetProcessorID()); const u32 core_id = static_cast<u32>(yielding_thread->GetProcessorID());
const u32 priority = yielding_thread->GetPriority(); const u32 priority = yielding_thread->GetPriority();
@ -161,6 +166,11 @@ bool GlobalScheduler::YieldThreadAndBalanceLoad(Thread* yielding_thread) {
ASSERT(is_locked); ASSERT(is_locked);
// Note: caller should check if !thread.IsSchedulerOperationRedundant and use critical section, // Note: caller should check if !thread.IsSchedulerOperationRedundant and use critical section,
// etc. // etc.
if (!yielding_thread->IsRunnable()) {
// Normally this case shouldn't happen except for SetThreadActivity.
is_reselection_pending.store(true, std::memory_order_release);
return false;
}
const u32 core_id = static_cast<u32>(yielding_thread->GetProcessorID()); const u32 core_id = static_cast<u32>(yielding_thread->GetProcessorID());
const u32 priority = yielding_thread->GetPriority(); const u32 priority = yielding_thread->GetPriority();
@ -212,6 +222,11 @@ bool GlobalScheduler::YieldThreadAndWaitForLoadBalancing(Thread* yielding_thread
ASSERT(is_locked); ASSERT(is_locked);
// Note: caller should check if !thread.IsSchedulerOperationRedundant and use critical section, // Note: caller should check if !thread.IsSchedulerOperationRedundant and use critical section,
// etc. // etc.
if (!yielding_thread->IsRunnable()) {
// Normally this case shouldn't happen except for SetThreadActivity.
is_reselection_pending.store(true, std::memory_order_release);
return false;
}
Thread* winner = nullptr; Thread* winner = nullptr;
const u32 core_id = static_cast<u32>(yielding_thread->GetProcessorID()); const u32 core_id = static_cast<u32>(yielding_thread->GetProcessorID());