Merge pull request #2410 from Subv/sleepthread

Don't yield execution in SleepThread(0) if there are no available threads to run

2 files changed, 9 insertions, 0 deletions

diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index cb9a93ee4..8c6fbcd04 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -508,6 +508,10 @@ SharedPtr<Thread> SetupMainThread(u32 entry_point, s32 priority) {
     return thread;
 }
 
+bool HaveReadyThreads() {
+    return ready_queue.get_first() != nullptr;
+}
+
 void Reschedule() {
     Thread* cur = GetCurrentThread();
     Thread* next = PopNextReadyThread();
diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h
index 6d395585d..c557a2279 100644
--- a/src/core/hle/kernel/thread.h
+++ b/src/core/hle/kernel/thread.h
@@ -219,6 +219,11 @@ private:
 SharedPtr<Thread> SetupMainThread(u32 entry_point, s32 priority);
 
 /**
+ * Returns whether there are any threads that are ready to run.
+ */
+bool HaveReadyThreads();
+
+/**
  * Reschedules to the next available thread (call after current thread is suspended)
  */
 void Reschedule();