1 files changed, 5 insertions, 0 deletions

diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index 884e45751944..56ca95931b41 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -194,3 +194,8 @@ int set_signals(int enable)
 
         return(ret);
 }
+
+void os_usr1_signal(int on)
+{
+        change_sig(SIGUSR1, on);
+}