Fix: Report errors occuring in lttng_live_read

[babeltrace.git] / formats / lttng-live / lttng-live-comm.c

diff --git a/formats/lttng-live/lttng-live-comm.c b/formats/lttng-live/lttng-live-comm.c
index e3cab91457fbf8ee2b6316a9bc4b31ad6143c7e6..960c2240129cba5115223816b2a09f1578c5dd95 100644 (file)
--- a/formats/lttng-live/lttng-live-comm.c
+++ b/formats/lttng-live/lttng-live-comm.c
@@ -1429,9 +1429,10 @@ error:
        return -1;
 }
 
-void lttng_live_read(struct lttng_live_ctx *ctx)
+int lttng_live_read(struct lttng_live_ctx *ctx)
 {
-       int ret, i;
+       int ret = -1;
+       int i;
        struct bt_ctf_iter *iter;
        const struct bt_ctf_event *event;
        struct bt_iter_pos begin_pos;
@@ -1489,12 +1490,14 @@ void lttng_live_read(struct lttng_live_ctx *ctx)
                int flags;
 
                if (lttng_live_should_quit()) {
+                       ret = 0;
                        goto end_free;
                }
 
                while (!ctx->session->stream_count) {
                        if (lttng_live_should_quit()
                                        || ctx->session_ids->len == 0) {
+                               ret = 0;
                                goto end_free;
                        }
                        ret = ask_new_streams(ctx);
@@ -1517,6 +1520,7 @@ void lttng_live_read(struct lttng_live_ctx *ctx)
                }
                for (;;) {
                        if (lttng_live_should_quit()) {
+                               ret = 0;
                                goto end_free;
                        }
                        event = bt_ctf_iter_read_event_flags(iter, &flags);
@@ -1547,5 +1551,5 @@ void lttng_live_read(struct lttng_live_ctx *ctx)
 end_free:
        bt_context_put(ctx->bt_ctx);
 end:
-       return;
+       return ret;
 }