X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=libust%2Ftracectl.c;h=03220373c92dee9c7eea7ee259d231de8924b809;hb=4267e589be114e837b06ad0b40fc58cdf7ea080a;hp=2f9215e65b29adc0df6095ce72c206425304c559;hpb=066b83b8dfc562e00cb61d39eca0e0f77242828c;p=ust.git

diff --git a/libust/tracectl.c b/libust/tracectl.c
index 2f9215e..0322037 100644
--- a/libust/tracectl.c
+++ b/libust/tracectl.c
@@ -1070,8 +1070,9 @@ void create_listener(void)
 	if(result) {
 		PERROR("pthread_sigmask: %s", strerror(result));
 	}
-
-	have_listener = 1;
+	else {
+		have_listener = 1;
+	}
 }
 
 static int init_socket(void)
@@ -1369,10 +1370,13 @@ int restarting_usleep(useconds_t usecs)
 	return result;
 }
 
-static void stop_listener()
+static void stop_listener(void)
 {
 	int result;
 
+	if(!have_listener)
+		return;
+
 	result = pthread_cancel(listener_thread);
 	if(result != 0) {
 		ERR("pthread_cancel: %s", strerror(result));