1 files changed, 6 insertions, 0 deletions
diff --git a/winsup/cygwin/init.cc b/winsup/cygwin/init.cc
index 2df5067..0e660ac 100644
--- a/winsup/cygwin/init.cc
+++ b/winsup/cygwin/init.cc
@@ -26,6 +26,12 @@ WINAPI dll_entry (HANDLE h, DWORD reason, void *static_load)
       dynamically_loaded = (static_load == NULL);
       break;
     case DLL_THREAD_ATTACH:
+      if (user_data->initial_sp)
+	{
+	  if ( !TlsSetValue(user_data->threadinterface->reent_index,
+                    &user_data->threadinterface->reents))
+	    api_fatal("Sig proc MT init failed\n");
+	}
       break;
     case DLL_PROCESS_DETACH:
       break;