1 files changed, 11 insertions, 0 deletions
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_mac.h b/compiler-rt/lib/sanitizer_common/sanitizer_mac.h
index a8b274e8c82c..f0a97d098eea 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_mac.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_mac.h
@@ -62,6 +62,17 @@ char **GetEnviron();
 
 void RestrictMemoryToMaxAddress(uptr max_address);
 
+using ThreadEventCallback = void (*)(uptr thread);
+using ThreadCreateEventCallback = void (*)(uptr thread, bool gcd_worker);
+struct ThreadEventCallbacks {
+  ThreadCreateEventCallback create;
+  ThreadEventCallback start;
+  ThreadEventCallback terminate;
+  ThreadEventCallback destroy;
+};
+
+void InstallPthreadIntrospectionHook(const ThreadEventCallbacks &callbacks);
+
 }  // namespace __sanitizer
 
 #endif  // SANITIZER_APPLE