1 files changed, 22 insertions, 0 deletions
diff --git a/boehm-gc/include/private/darwin_stop_world.h b/boehm-gc/include/private/darwin_stop_world.h
new file mode 100644
index 000000000..f6f5314ee
--- /dev/null
+++ b/boehm-gc/include/private/darwin_stop_world.h
@@ -0,0 +1,22 @@
+#ifndef GC_DARWIN_STOP_WORLD_H
+#define GC_DARWIN_STOP_WORLD_H
+
+#if !defined(GC_DARWIN_THREADS)
+#error darwin_stop_world.h included without GC_DARWIN_THREADS defined
+#endif
+
+#include <mach/mach.h>
+#include <mach/thread_act.h>
+
+struct thread_stop_info {
+    mach_port_t mach_thread;
+};
+
+struct GC_mach_thread {
+  thread_act_t thread;
+  int already_suspended;
+};
+
+void GC_darwin_register_mach_handler_thread(mach_port_t thread);
+
+#endif