Document libbabeltrace2's C API

[babeltrace.git] / src / lib / trace-ir / trace-class.c

diff --git a/src/lib/trace-ir/trace-class.c b/src/lib/trace-ir/trace-class.c
index cd5d6f829563a77dfe947950afe5e90b7aabe680..593f390efac2d4dfd5bf9adcbf467af6db5eccb8 100644 (file)
--- a/src/lib/trace-ir/trace-class.c
+++ b/src/lib/trace-ir/trace-class.c
@@ -25,14 +25,13 @@
 #include "lib/logging.h"
 
 #include "lib/assert-pre.h"
+#include "lib/assert-post.h"
 #include <babeltrace2/trace-ir/trace-class.h>
-#include <babeltrace2/trace-ir/trace-class-const.h>
 #include <babeltrace2/trace-ir/event-class.h>
 #include "ctf-writer/functor.h"
 #include "ctf-writer/clock.h"
 #include "compat/compiler.h"
 #include <babeltrace2/value.h>
-#include <babeltrace2/value-const.h>
 #include "lib/value.h"
 #include <babeltrace2/types.h>
 #include "compat/endian.h"
@@ -41,6 +40,7 @@
 #include <inttypes.h>
 #include <stdint.h>
 #include <string.h>
+#include <stdbool.h>
 #include <stdlib.h>
 
 #include "clock-class.h"
@@ -78,6 +78,8 @@ void destroy_trace_class(struct bt_object *obj)
         */
        if (tc->destruction_listeners) {
                uint64_t i;
+               const struct bt_error *saved_error;
+
                BT_LIB_LOGD("Calling trace class destruction listener(s): %!+T", tc);
 
                /*
@@ -92,6 +94,8 @@ void destroy_trace_class(struct bt_object *obj)
                */
                tc->base.ref_count++;
 
+               saved_error = bt_current_thread_take_error();
+
                /* Call all the trace class destruction listeners */
                for (i = 0; i < tc->destruction_listeners->len; i++) {
                        struct bt_trace_class_destruction_listener_elem elem =
@@ -100,16 +104,21 @@ void destroy_trace_class(struct bt_object *obj)
 
                        if (elem.func) {
                                elem.func(tc, elem.data);
+                               BT_ASSERT_POST_NO_ERROR();
                        }
 
                        /*
                         * The destruction listener should not have kept a
                         * reference to the trace class.
                         */
-                       BT_ASSERT_PRE(tc->base.ref_count == 1, "Destruction listener kept a reference to the trace class being destroyed: %![tc-]+T", tc);
+                       BT_ASSERT_POST(tc->base.ref_count == 1, "Destruction listener kept a reference to the trace class being destroyed: %![tc-]+T", tc);
                }
                g_array_free(tc->destruction_listeners, TRUE);
                tc->destruction_listeners = NULL;
+
+               if (saved_error) {
+                       BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(saved_error);
+               }
        }
 
        if (tc->stream_classes) {
@@ -125,6 +134,7 @@ struct bt_trace_class *bt_trace_class_create(bt_self_component *self_comp)
 {
        struct bt_trace_class *tc = NULL;
 
+       BT_ASSERT_PRE_NO_ERROR();
        BT_ASSERT_PRE_NON_NULL(self_comp, "Self component");
        BT_LOGD_STR("Creating default trace class object.");
        tc = g_new0(struct bt_trace_class, 1);
@@ -178,6 +188,7 @@ enum bt_trace_class_add_listener_status bt_trace_class_add_destruction_listener(
                .data = data,
        };
 
+       BT_ASSERT_PRE_NO_ERROR();
        BT_ASSERT_PRE_NON_NULL(tc, "Trace class");
        BT_ASSERT_PRE_NON_NULL(listener, "Listener");
 
@@ -222,6 +233,7 @@ enum bt_trace_class_remove_listener_status bt_trace_class_remove_destruction_lis
        struct bt_trace_class *tc = (void *) _tc;
        struct bt_trace_class_destruction_listener_elem *elem;
 
+       BT_ASSERT_PRE_NO_ERROR();
        BT_ASSERT_PRE_NON_NULL(tc, "Trace class");
        BT_ASSERT_PRE(has_listener_id(tc, listener_id),
                "Trace class has no such trace class destruction listener ID: "
@@ -336,9 +348,9 @@ void bt_trace_class_set_user_attributes(struct bt_trace_class *trace_class,
        BT_ASSERT_PRE(user_attributes->type == BT_VALUE_TYPE_MAP,
                "User attributes object is not a map value object.");
        BT_ASSERT_PRE_DEV_TRACE_CLASS_HOT(trace_class);
-       bt_object_put_no_null_check(trace_class->user_attributes);
+       bt_object_put_ref_no_null_check(trace_class->user_attributes);
        trace_class->user_attributes = (void *) user_attributes;
-       bt_object_get_no_null_check(trace_class->user_attributes);
+       bt_object_get_ref_no_null_check(trace_class->user_attributes);
 }
 
 void bt_trace_class_get_ref(const struct bt_trace_class *trace_class)