Make audio thread control flags safe

2 files changed, 6 insertions, 5 deletions

diff --git a/drivers/alsamidi/midi_driver_alsamidi.cpp b/drivers/alsamidi/midi_driver_alsamidi.cpp
index c334146dd2..d2a0076023 100644
--- a/drivers/alsamidi/midi_driver_alsamidi.cpp
+++ b/drivers/alsamidi/midi_driver_alsamidi.cpp
@@ -79,7 +79,7 @@ void MIDIDriverALSAMidi::thread_func(void *p_udata) {
 	int expected_size = 255;
 	int bytes = 0;
 
-	while (!md->exit_thread) {
+	while (!md->exit_thread.is_set()) {
 		int ret;
 
 		md->lock();
@@ -149,14 +149,14 @@ Error MIDIDriverALSAMidi::open() {
 	}
 	snd_device_name_free_hint(hints);
 
-	exit_thread = false;
+	exit_thread.clear();
 	thread.start(MIDIDriverALSAMidi::thread_func, this);
 
 	return OK;
 }
 
 void MIDIDriverALSAMidi::close() {
-	exit_thread = true;
+	exit_thread.set();
 	thread.wait_to_finish();
 
 	for (int i = 0; i < connected_inputs.size(); i++) {
@@ -193,7 +193,7 @@ PackedStringArray MIDIDriverALSAMidi::get_connected_inputs() {
 }
 
 MIDIDriverALSAMidi::MIDIDriverALSAMidi() {
-	exit_thread = false;
+	exit_thread.clear();
 }
 
 MIDIDriverALSAMidi::~MIDIDriverALSAMidi() {
diff --git a/drivers/alsamidi/midi_driver_alsamidi.h b/drivers/alsamidi/midi_driver_alsamidi.h
index b0fa8c297a..ac3530b1b2 100644
--- a/drivers/alsamidi/midi_driver_alsamidi.h
+++ b/drivers/alsamidi/midi_driver_alsamidi.h
@@ -36,6 +36,7 @@
 #include "core/os/midi_driver.h"
 #include "core/os/mutex.h"
 #include "core/os/thread.h"
+#include "core/templates/safe_refcount.h"
 #include "core/templates/vector.h"
 
 #include "../alsa/asound-so_wrap.h"
@@ -47,7 +48,7 @@ class MIDIDriverALSAMidi : public MIDIDriver {
 
 	Vector<snd_rawmidi_t *> connected_inputs;
 
-	bool exit_thread;
+	SafeFlag exit_thread;
 
 	static void thread_func(void *p_udata);