1 files changed, 49 insertions, 0 deletions
diff --git a/pd/portmidi/pm_win/pmdll.c b/pd/portmidi/pm_win/pmdll.c
new file mode 100644
index 00000000..c3acba33
--- /dev/null
+++ b/pd/portmidi/pm_win/pmdll.c
@@ -0,0 +1,49 @@
+/*
+====================================================================
+DLL to perform action when program shuts down
+====================================================================
+*/
+
+#include "windows.h"
+#include "pmdll.h"
+
+static close_fn_ptr_type close_function = NULL;
+
+
+DLL_EXPORT pm_set_close_function(close_fn_ptr_type close_fn_ptr)
+{
+    close_function = close_fn_ptr;
+}
+
+
+static void Initialize( void ) {
+    return;
+}
+
+static void Terminate( void ) {
+    if (close_function) {
+        (*close_function)();
+    }
+}
+
+
+BOOL WINAPI DllMain(HINSTANCE hinstDLL, //DLL module handle
+					DWORD fdwReason,	//for calling function
+					LPVOID lbpvReserved)//reserved
+{
+	switch(fdwReason) {
+		case DLL_PROCESS_ATTACH:
+			/* when DLL starts, run this */
+			Initialize();
+			break;
+		case DLL_PROCESS_DETACH:
+			/* when DLL ends, this run (note: verified this	run */
+			Terminate();
+			break;
+		default:
+			break;
+	}
+	return TRUE;
+}
+
+