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authorMorph <39850852+Morph1984@users.noreply.github.com>2021-06-10 19:56:35 +0200
committerMorph <39850852+Morph1984@users.noreply.github.com>2021-06-11 06:58:04 +0200
commitaa79ca7a7a0099cd208a5afe75d657bb02f97fb3 (patch)
tree6bfd95d5f1a6721696ec9c505a67b4c9ef45a76e
parentMerge pull request #6444 from bunnei/fix-sm-sessions (diff)
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-rw-r--r--src/core/hle/kernel/k_light_condition_variable.h43
-rw-r--r--src/core/hle/kernel/k_resource_limit.cpp2
2 files changed, 31 insertions, 14 deletions
diff --git a/src/core/hle/kernel/k_light_condition_variable.h b/src/core/hle/kernel/k_light_condition_variable.h
index ca2e539a7..a95fa41f3 100644
--- a/src/core/hle/kernel/k_light_condition_variable.h
+++ b/src/core/hle/kernel/k_light_condition_variable.h
@@ -18,41 +18,58 @@ class KernelCore;
class KLightConditionVariable {
public:
- explicit KLightConditionVariable(KernelCore& kernel_)
- : thread_queue(kernel_), kernel(kernel_) {}
+ explicit KLightConditionVariable(KernelCore& kernel_) : kernel{kernel_} {}
- void Wait(KLightLock* lock, s64 timeout = -1) {
- WaitImpl(lock, timeout);
- lock->Lock();
+ void Wait(KLightLock* lock, s64 timeout = -1, bool allow_terminating_thread = true) {
+ WaitImpl(lock, timeout, allow_terminating_thread);
}
void Broadcast() {
KScopedSchedulerLock lk{kernel};
- while (thread_queue.WakeupFrontThread() != nullptr) {
- // We want to signal all threads, and so should continue waking up until there's nothing
- // to wake.
+
+ // Signal all threads.
+ for (auto& thread : wait_list) {
+ thread.SetState(ThreadState::Runnable);
}
}
private:
- void WaitImpl(KLightLock* lock, s64 timeout) {
+ void WaitImpl(KLightLock* lock, s64 timeout, bool allow_terminating_thread) {
KThread* owner = GetCurrentThreadPointer(kernel);
// Sleep the thread.
{
- KScopedSchedulerLockAndSleep lk(kernel, owner, timeout);
- lock->Unlock();
+ KScopedSchedulerLockAndSleep lk{kernel, owner, timeout};
- if (!thread_queue.SleepThread(owner)) {
+ if (!allow_terminating_thread && owner->IsTerminationRequested()) {
lk.CancelSleep();
return;
}
+
+ lock->Unlock();
+
+ // Set the thread as waiting.
+ GetCurrentThread(kernel).SetState(ThreadState::Waiting);
+
+ // Add the thread to the queue.
+ wait_list.push_back(GetCurrentThread(kernel));
+ }
+
+ // Remove the thread from the wait list.
+ {
+ KScopedSchedulerLock sl{kernel};
+
+ wait_list.erase(wait_list.iterator_to(GetCurrentThread(kernel)));
}
// Cancel the task that the sleep setup.
kernel.TimeManager().UnscheduleTimeEvent(owner);
+
+ // Re-acquire the lock.
+ lock->Lock();
}
- KThreadQueue thread_queue;
+
KernelCore& kernel;
+ KThread::WaiterList wait_list{};
};
} // namespace Kernel
diff --git a/src/core/hle/kernel/k_resource_limit.cpp b/src/core/hle/kernel/k_resource_limit.cpp
index f91cb65dc..da88f35bc 100644
--- a/src/core/hle/kernel/k_resource_limit.cpp
+++ b/src/core/hle/kernel/k_resource_limit.cpp
@@ -117,7 +117,7 @@ bool KResourceLimit::Reserve(LimitableResource which, s64 value, s64 timeout) {
if (current_hints[index] + value <= limit_values[index] &&
(timeout < 0 || core_timing->GetGlobalTimeNs().count() < timeout)) {
waiter_count++;
- cond_var.Wait(&lock, timeout);
+ cond_var.Wait(&lock, timeout, false);
waiter_count--;
} else {
break;