Add the concept of a static trace

[babeltrace.git] / lib / ctf-ir / trace.c

diff --git a/lib/ctf-ir/trace.c b/lib/ctf-ir/trace.c
index b850b4ffe6e35495fcc07bad3eea2c2105a41a75..067e7db903d0937d494f6aecaa909270313bf06d 100644 (file)
--- a/lib/ctf-ir/trace.c
+++ b/lib/ctf-ir/trace.c
@@ -389,7 +389,8 @@ int bt_ctf_trace_add_clock_class(struct bt_ctf_trace *trace,
 {
        int ret = 0;
 
-       if (!trace || !bt_ctf_clock_class_is_valid(clock_class)) {
+       if (!trace || trace->is_static ||
+                       !bt_ctf_clock_class_is_valid(clock_class)) {
                ret = -1;
                goto end;
        }
@@ -457,7 +458,7 @@ int bt_ctf_trace_add_stream_class(struct bt_ctf_trace *trace,
        int event_class_count;
        struct bt_ctf_trace *current_parent_trace = NULL;
 
-       if (!trace || !stream_class) {
+       if (!trace || !stream_class || trace->is_static) {
                ret = -1;
                goto end;
        }
@@ -1300,3 +1301,33 @@ end:
        bt_put(trace_packet_header_type);
        return ret;
 }
+
+bool bt_ctf_trace_is_static(struct bt_ctf_trace *trace)
+{
+       bool is_static = false;
+
+       if (!trace) {
+               goto end;
+       }
+
+       is_static = trace->is_static;
+
+end:
+       return is_static;
+}
+
+int bt_ctf_trace_set_is_static(struct bt_ctf_trace *trace)
+{
+       int ret = 0;
+
+       if (!trace) {
+               ret = -1;
+               goto end;
+       }
+
+       trace->is_static = true;
+       bt_ctf_trace_freeze(trace);
+
+end:
+       return ret;
+}