Add mono_unity_gc_enable and mono_unity_gc_disable

mono/metadata/unity-utils.c

@@ -30,6 +30,10 @@
 #include <mono/metadata/tokentype.h>
 #include <mono/utils/mono-string.h>
 
+#if HAVE_BDWGC_GC
+#include <external/bdwgc/include/gc.h>
+#endif
+
 #include <glib.h>
 
 #ifdef WIN32
@@ -900,6 +904,25 @@ mono_unity_get_unitytls_interface()
 	return gUnitytlsInterface;
 }
 
+// gc
+MONO_API void mono_unity_gc_enable()
+{
+#if HAVE_BDWGC_GC
+	GC_enable();
+#else
+	g_assert_not_reached ();
+#endif
+}
+
+MONO_API void mono_unity_gc_disable()
+{
+#if HAVE_BDWGC_GC
+	GC_disable();
+#else
+	g_assert_not_reached ();
+#endif
+}
+
 MONO_API void 
 mono_unity_install_unitytls_interface(unitytls_interface_struct* callbacks)
 {

mono/metadata/unity-utils.h

@@ -150,6 +150,10 @@ typedef struct unitytls_interface_struct unitytls_interface_struct;
 MONO_API unitytls_interface_struct* mono_unity_get_unitytls_interface();
 MONO_API void mono_unity_install_unitytls_interface(unitytls_interface_struct* callbacks);
 
+// gc
+MONO_API void mono_unity_gc_enable();
+MONO_API void mono_unity_gc_disable();
+
 //misc
 MonoAssembly* mono_unity_assembly_get_mscorlib();
 MonoImage* mono_unity_image_get_mscorlib();