Fix: tests: interrupting get_next_notification causes test to fail
authorJérémie Galarneau <jeremie.galarneau@efficios.com>
Thu, 9 Jul 2020 15:44:47 +0000 (11:44 -0400)
committerJérémie Galarneau <jeremie.galarneau@efficios.com>
Tue, 14 Jul 2020 21:23:12 +0000 (17:23 -0400)
Attaching a debugger to the `notification` test application causes
tests to fail when the application is waiting for a notification
as the function will return an `INTERRUPTED` status code.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Change-Id: I4ac9ac13d02a96366791e81746e53bb5dde94885

tests/regression/tools/notification/notification.c

index 535a71fce7fd8b5cbda2fa9a4086866b4d372007..364d41895bb78531f61b20a1842bfe4a02960680 100644 (file)
@@ -601,7 +601,9 @@ void test_notification_channel(const char *session_name, const char *channel_nam
        lttng_start_tracing(session_name);
 
        /* Wait for high notification */
-       nc_status = lttng_notification_channel_get_next_notification(notification_channel, &notification);
+       do {
+               nc_status = lttng_notification_channel_get_next_notification(notification_channel, &notification);
+       } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
        ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK
                        && notification
                        && lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
@@ -625,7 +627,9 @@ void test_notification_channel(const char *session_name, const char *channel_nam
        nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition);
        ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "subscribe with pending notification");
 
-       nc_status = lttng_notification_channel_get_next_notification(notification_channel, &notification);
+       do {
+               nc_status = lttng_notification_channel_get_next_notification(notification_channel, &notification);
+       } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
        ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK
                        && notification
                        && lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW,
@@ -638,7 +642,9 @@ void test_notification_channel(const char *session_name, const char *channel_nam
        resume_application();
        lttng_start_tracing(session_name);
 
-       nc_status = lttng_notification_channel_get_next_notification(notification_channel, &notification);
+       do {
+               nc_status = lttng_notification_channel_get_next_notification(notification_channel, &notification);
+       } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
        ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
                        lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
                        "High notification received after intermediary communication");
@@ -650,7 +656,9 @@ void test_notification_channel(const char *session_name, const char *channel_nam
        resume_consumer(argv);
        wait_data_pending(session_name);
 
-       nc_status = lttng_notification_channel_get_next_notification(notification_channel, &notification);
+       do {
+               nc_status = lttng_notification_channel_get_next_notification(notification_channel, &notification);
+       } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
        ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
                        lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW,
                        "Low notification received after re-subscription");
@@ -662,7 +670,9 @@ void test_notification_channel(const char *session_name, const char *channel_nam
        /* Stop consumer to force a high notification */
        lttng_start_tracing(session_name);
 
-       nc_status = lttng_notification_channel_get_next_notification(notification_channel, &notification);
+       do {
+               nc_status = lttng_notification_channel_get_next_notification(notification_channel, &notification);
+       } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
        ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
                        lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
                        "High notification");
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