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Kernel: Allow chaining WaitSynchronization calls inside a wakeup callback.

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Subv 2018-01-08 11:35:03 -05:00 • committed by bunnei
parent 1b9ed033fc
commit 2a3f8e8484
4 changed files with 78 additions and 30 deletions
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25
src/core/hle/kernel/thread.cpp
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@ -244,20 +244,23 @@ static void ThreadWakeupCallback(u64 thread_handle, int cycles_late) {
return;
}
bool resume = true;
if (thread->status == THREADSTATUS_WAIT_SYNCH_ANY ||
thread->status == THREADSTATUS_WAIT_SYNCH_ALL || thread->status == THREADSTATUS_WAIT_ARB) {
// Invoke the wakeup callback before clearing the wait objects
if (thread->wakeup_callback)
thread->wakeup_callback(ThreadWakeupReason::Timeout, thread, nullptr);
// Remove the thread from each of its waiting objects' waitlists
for (auto& object : thread->wait_objects)
object->RemoveWaitingThread(thread.get());
thread->wait_objects.clear();
// Invoke the wakeup callback before clearing the wait objects
if (thread->wakeup_callback)
resume = thread->wakeup_callback(ThreadWakeupReason::Timeout, thread, nullptr, 0);
}
thread->ResumeFromWait();
if (resume)
thread->ResumeFromWait();
}
void Thread::WakeAfterDelay(s64 nanoseconds) {
@ -268,6 +271,10 @@ void Thread::WakeAfterDelay(s64 nanoseconds) {
CoreTiming::ScheduleEvent(nsToCycles(nanoseconds), ThreadWakeupEventType, callback_handle);
}
void Thread::CancelWakeupTimer() {
CoreTiming::UnscheduleEvent(ThreadWakeupEventType, callback_handle);
}
void Thread::ResumeFromWait() {
ASSERT_MSG(wait_objects.empty(), "Thread is waking up while waiting for objects");
@ -444,7 +451,8 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
// Map the page to the current process' address space.
// TODO(Subv): Find the correct MemoryState for this region.
vm_manager.MapMemoryBlock(Memory::TLS_AREA_VADDR + available_page * Memory::PAGE_SIZE,
linheap_memory, offset, Memory::PAGE_SIZE, MemoryState::ThreadLocalStorage);
linheap_memory, offset, Memory::PAGE_SIZE,
MemoryState::ThreadLocalStorage);
}
// Mark the slot as used
@ -501,7 +509,8 @@ SharedPtr<Thread> SetupMainThread(VAddr entry_point, u32 priority,
SharedPtr<Thread> thread = std::move(thread_res).Unwrap();
// Register 1 must be a handle to the main thread
thread->guest_handle = Kernel::g_handle_table.Create(thread).Unwrap();;
thread->guest_handle = Kernel::g_handle_table.Create(thread).Unwrap();
thread->context.cpu_registers[1] = thread->guest_handle;
// Threads by default are dormant, wake up the main thread so it runs when the scheduler fires
@ -572,4 +581,4 @@ const std::vector<SharedPtr<Thread>>& GetThreadList() {
return thread_list;
}
} // namespace
} // namespace Kernel