non-threaded RTS: don't assume deadlock if there are signal handlers to run

[ghc-hetmet.git] / rts / win32 / ConsoleHandler.c

diff --git a/rts/win32/ConsoleHandler.c b/rts/win32/ConsoleHandler.c
index 76ebea0..25472cf 100644 (file)
--- a/rts/win32/ConsoleHandler.c
+++ b/rts/win32/ConsoleHandler.c
@@ -119,6 +119,12 @@ void initDefaultHandlers(void)
     }
 }
 
+void resetDefaultHandlers(void)
+{
+    if ( !SetConsoleCtrlHandler(shutdown_handler, FALSE) ) {
+       errorBelch("warning: failed to uninstall default console handler");
+    }
+}
 
 /*
  * Function: blockUserSignals()
@@ -199,7 +205,7 @@ void startSignalHandlers(Capability *cap)
  * Evacuate the handler stack. _Assumes_ that console event delivery
  * has already been blocked.
  */
-void markSignalHandlers (evac_fn evac STG_UNUSED)
+void markSignalHandlers (evac_fn evac STG_UNUSED, void *user STG_UNUSED)
 {
     // nothing to mark; the console handler is a StablePtr which is
     // already treated as a root by the GC.