1 files changed, 24 insertions, 0 deletions
diff --git a/mutex.h b/mutex.h
new file mode 100644
index 0000000..2f3c653
--- /dev/null
+++ b/mutex.h
@@ -0,0 +1,24 @@
+#ifndef MUTEX_H
+#define MUTEX_H
+
+#include <pthread.h>
+
+typedef struct {
+	int note;
+	int state;
+	int velocity;
+	int preset;
+	int action;
+} SharedData;
+
+extern SharedData shared_data;
+
+extern pthread_mutex_t mutex;
+extern pthread_cond_t cond_midi;
+extern pthread_cond_t cond_synth;
+
+void initialize_mutex();
+void destroy_mutex();
+
+#endif // MUTEX_H
+