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Kernel: Implemented priority inheritance for mutexes.

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This commit is contained in:
bunnei 2015-04-03 18:40:16 -04:00
parent 7b9f428b23
commit 9c3419ebcc
3 changed files with 22 additions and 4 deletions
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10
src/core/hle/kernel/thread.cpp
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@ -156,9 +156,8 @@ static void PriorityBoostStarvedThreads() {
u64 delta = current_ticks - thread->last_running_ticks;
if (thread->status == THREADSTATUS_READY && delta > boost_timeout && !thread->idle) {
const s32 boost_priority = std::max(ready_queue.get_first()->current_priority - 1, 0);
ready_queue.move(thread, thread->current_priority, boost_priority);
thread->current_priority = boost_priority;
const s32 priority = std::max(ready_queue.get_first()->current_priority - 1, 0);
thread->BoostPriority(priority);
}
}
}
@ -435,6 +434,11 @@ void Thread::SetPriority(s32 priority) {
nominal_priority = current_priority = priority;
}
void Thread::BoostPriority(s32 priority) {
ready_queue.move(this, current_priority, priority);
current_priority = priority;
}
SharedPtr<Thread> SetupIdleThread() {
// We need to pass a few valid values to get around parameter checking in Thread::Create.
auto thread = Thread::Create("idle", Memory::KERNEL_MEMORY_VADDR, THREADPRIO_LOWEST, 0,