ntdll: Make the server signal mask global.
diff --git a/dlls/ntdll/signal_sparc.c b/dlls/ntdll/signal_sparc.c
index 92f20aa..7412a8e 100644
--- a/dlls/ntdll/signal_sparc.c
+++ b/dlls/ntdll/signal_sparc.c
@@ -436,9 +436,8 @@
 {
     struct sigaction sig_act;
 
-    sig_act.sa_handler = NULL;
     sig_act.sa_sigaction = func;
-    sigemptyset( &sig_act.sa_mask );
+    sig_act.sa_mask = server_block_set;
     sig_act.sa_flags = SA_SIGINFO;
 
     return sigaction( sig, &sig_act, NULL );