#include <string.h>
#include <stdlib.h>
+struct bt_trace_class_destruction_listener_elem {
+ bt_trace_class_destruction_listener_func func;
+ void *data;
+};
+
#define BT_ASSERT_PRE_TRACE_CLASS_HOT(_tc) \
BT_ASSERT_PRE_HOT((_tc), "Trace class", ": %!+T", (_tc))
struct bt_trace_class *tc = (void *) obj;
BT_LIB_LOGD("Destroying trace class object: %!+T", tc);
+ /*
+ * Call destruction listener functions so that everything else
+ * still exists in the trace class.
+ */
+ if (tc->destruction_listeners) {
+ uint64_t i;
+ BT_LIB_LOGV("Calling trace class destruction listener(s): %!+T", tc);
+ /* Call all the trace class destruction listeners */
+ for (i = 0; i < tc->destruction_listeners->len; i++) {
+ struct bt_trace_class_destruction_listener_elem elem =
+ g_array_index(tc->destruction_listeners,
+ struct bt_trace_class_destruction_listener_elem, i);
+
+ if (elem.func) {
+ elem.func(tc, elem.data);
+ }
+ }
+ g_array_free(tc->destruction_listeners, TRUE);
+ tc->destruction_listeners = NULL;
+ }
if (tc->environment) {
BT_LOGD_STR("Destroying environment attributes.");
goto error;
}
+ tc->destruction_listeners = g_array_new(FALSE, TRUE,
+ sizeof(struct bt_trace_class_destruction_listener_elem));
+ if (!tc->destruction_listeners) {
+ BT_LOGE_STR("Failed to allocate one GArray.");
+ goto error;
+ }
+
tc->assigns_automatic_stream_class_id = true;
BT_LIB_LOGD("Created trace class object: %!+T", tc);
goto end;
BT_LIB_LOGV("Set trace class's UUID: %!+T", tc);
}
+enum bt_trace_class_status bt_trace_class_add_destruction_listener(
+ const struct bt_trace_class *_tc,
+ bt_trace_class_destruction_listener_func listener,
+ void *data, uint64_t *listener_id)
+{
+ struct bt_trace_class *tc = (void *) _tc;
+ uint64_t i;
+ struct bt_trace_class_destruction_listener_elem new_elem = {
+ .func = listener,
+ .data = data,
+ };
+
+ BT_ASSERT_PRE_NON_NULL(tc, "Trace class");
+ BT_ASSERT_PRE_NON_NULL(listener, "Listener");
+
+ /* Find the next available spot */
+ for (i = 0; i < tc->destruction_listeners->len; i++) {
+ struct bt_trace_class_destruction_listener_elem elem =
+ g_array_index(tc->destruction_listeners,
+ struct bt_trace_class_destruction_listener_elem, i);
+
+ if (!elem.func) {
+ break;
+ }
+ }
+
+ if (i == tc->destruction_listeners->len) {
+ g_array_append_val(tc->destruction_listeners, new_elem);
+ } else {
+ g_array_insert_val(tc->destruction_listeners, i, new_elem);
+ }
+
+ if (listener_id) {
+ *listener_id = i;
+ }
+
+ BT_LIB_LOGV("Added trace class destruction listener: %![tc-]+T, "
+ "listener-id=%" PRIu64, tc, i);
+ return BT_TRACE_CLASS_STATUS_OK;
+}
+
+BT_ASSERT_PRE_FUNC
+static
+bool has_listener_id(const struct bt_trace_class *tc, uint64_t listener_id)
+{
+ BT_ASSERT(listener_id < tc->destruction_listeners->len);
+ return (&g_array_index(tc->destruction_listeners,
+ struct bt_trace_class_destruction_listener_elem,
+ listener_id))->func != NULL;
+}
+
+enum bt_trace_class_status bt_trace_class_remove_destruction_listener(
+ const struct bt_trace_class *_tc, uint64_t listener_id)
+{
+ struct bt_trace_class *tc = (void *) _tc;
+ struct bt_trace_class_destruction_listener_elem *elem;
+
+ 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: "
+ "%![tc-]+T, %" PRIu64, tc, listener_id);
+ elem = &g_array_index(tc->destruction_listeners,
+ struct bt_trace_class_destruction_listener_elem,
+ listener_id);
+ BT_ASSERT(elem->func);
+
+ elem->func = NULL;
+ elem->data = NULL;
+ BT_LIB_LOGV("Removed trace class destruction listener: "
+ "%![tc-]+T, listener-id=%" PRIu64,
+ tc, listener_id);
+ return BT_TRACE_CLASS_STATUS_OK;
+}
+
BT_ASSERT_FUNC
static
bool trace_has_environment_entry(const struct bt_trace_class *tc, const char *name)
#include <string.h>
#include <stdlib.h>
-struct bt_trace_is_static_listener_elem {
- bt_trace_is_static_listener_func func;
- bt_trace_listener_removed_func removed;
+struct bt_trace_destruction_listener_elem {
+ bt_trace_destruction_listener_func func;
void *data;
};
BT_LIB_LOGD("Destroying trace object: %!+t", trace);
/*
- * Call remove listeners first so that everything else still
- * exists in the trace.
+ * Call destruction listener functions so that everything else
+ * still exists in the trace.
*/
- if (trace->is_static_listeners) {
- size_t i;
-
- for (i = 0; i < trace->is_static_listeners->len; i++) {
- struct bt_trace_is_static_listener_elem elem =
- g_array_index(trace->is_static_listeners,
- struct bt_trace_is_static_listener_elem, i);
-
- if (elem.removed) {
- elem.removed((void *) trace, elem.data);
+ if (trace->destruction_listeners) {
+ uint64_t i;
+ BT_LIB_LOGV("Calling trace destruction listener(s): %!+t", trace);
+ /* Call all the trace destruction listeners */
+ for (i = 0; i < trace->destruction_listeners->len; i++) {
+ struct bt_trace_destruction_listener_elem elem =
+ g_array_index(trace->destruction_listeners,
+ struct bt_trace_destruction_listener_elem, i);
+
+ if (elem.func) {
+ elem.func(trace, elem.data);
}
}
-
- g_array_free(trace->is_static_listeners, TRUE);
- trace->is_static_listeners = NULL;
+ g_array_free(trace->destruction_listeners, TRUE);
+ trace->destruction_listeners = NULL;
}
if (trace->name.str) {
goto error;
}
- trace->is_static_listeners = g_array_new(FALSE, TRUE,
- sizeof(struct bt_trace_is_static_listener_elem));
- if (!trace->is_static_listeners) {
+ trace->destruction_listeners = g_array_new(FALSE, TRUE,
+ sizeof(struct bt_trace_destruction_listener_elem));
+ if (!trace->destruction_listeners) {
BT_LOGE_STR("Failed to allocate one GArray.");
goto error;
}
return bt_trace_borrow_stream_by_id((void *) trace, id);
}
-bt_bool bt_trace_is_static(const struct bt_trace *trace)
-{
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- return (bt_bool) trace->is_static;
-}
-
-enum bt_trace_status bt_trace_make_static(struct bt_trace *trace)
-{ uint64_t i;
-
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- trace->is_static = true;
- bt_trace_freeze(trace);
- BT_LIB_LOGV("Trace is now static: %!+t", trace);
-
- /* Call all the "trace is static" listeners */
- for (i = 0; i < trace->is_static_listeners->len; i++) {
- struct bt_trace_is_static_listener_elem elem =
- g_array_index(trace->is_static_listeners,
- struct bt_trace_is_static_listener_elem, i);
-
- if (elem.func) {
- elem.func((void *) trace, elem.data);
- }
- }
-
- return BT_TRACE_STATUS_OK;
-}
-
-enum bt_trace_status bt_trace_add_is_static_listener(
+enum bt_trace_status bt_trace_add_destruction_listener(
const struct bt_trace *c_trace,
- bt_trace_is_static_listener_func listener,
- bt_trace_listener_removed_func listener_removed, void *data,
- uint64_t *listener_id)
+ bt_trace_destruction_listener_func listener,
+ void *data, uint64_t *listener_id)
{
struct bt_trace *trace = (void *) c_trace;
uint64_t i;
- struct bt_trace_is_static_listener_elem new_elem = {
+ struct bt_trace_destruction_listener_elem new_elem = {
.func = listener,
- .removed = listener_removed,
.data = data,
};
BT_ASSERT_PRE_NON_NULL(trace, "Trace");
BT_ASSERT_PRE_NON_NULL(listener, "Listener");
- BT_ASSERT_PRE(!trace->is_static,
- "Trace is already static: %!+t", trace);
- BT_ASSERT_PRE(trace->in_remove_listener,
- "Cannot call this function while executing a "
- "remove listener: %!+t", trace);
/* Find the next available spot */
- for (i = 0; i < trace->is_static_listeners->len; i++) {
- struct bt_trace_is_static_listener_elem elem =
- g_array_index(trace->is_static_listeners,
- struct bt_trace_is_static_listener_elem, i);
+ for (i = 0; i < trace->destruction_listeners->len; i++) {
+ struct bt_trace_destruction_listener_elem elem =
+ g_array_index(trace->destruction_listeners,
+ struct bt_trace_destruction_listener_elem, i);
if (!elem.func) {
break;
}
}
- if (i == trace->is_static_listeners->len) {
- g_array_append_val(trace->is_static_listeners, new_elem);
+ if (i == trace->destruction_listeners->len) {
+ g_array_append_val(trace->destruction_listeners, new_elem);
} else {
- g_array_insert_val(trace->is_static_listeners, i, new_elem);
+ g_array_insert_val(trace->destruction_listeners, i, new_elem);
}
if (listener_id) {
*listener_id = i;
}
- BT_LIB_LOGV("Added \"trace is static\" listener: "
- "%![trace-]+t, listener-id=%" PRIu64, trace, i);
+ BT_LIB_LOGV("Added destruction listener: " "%![trace-]+t, "
+ "listener-id=%" PRIu64, trace, i);
return BT_TRACE_STATUS_OK;
}
static
bool has_listener_id(const struct bt_trace *trace, uint64_t listener_id)
{
- BT_ASSERT(listener_id < trace->is_static_listeners->len);
- return (&g_array_index(trace->is_static_listeners,
- struct bt_trace_is_static_listener_elem,
+ BT_ASSERT(listener_id < trace->destruction_listeners->len);
+ return (&g_array_index(trace->destruction_listeners,
+ struct bt_trace_destruction_listener_elem,
listener_id))->func != NULL;
}
-enum bt_trace_status bt_trace_remove_is_static_listener(
+enum bt_trace_status bt_trace_remove_destruction_listener(
const struct bt_trace *c_trace, uint64_t listener_id)
{
struct bt_trace *trace = (void *) c_trace;
- struct bt_trace_is_static_listener_elem *elem;
+ struct bt_trace_destruction_listener_elem *elem;
BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- BT_ASSERT_PRE(!trace->is_static,
- "Trace is already static: %!+t", trace);
- BT_ASSERT_PRE(trace->in_remove_listener,
- "Cannot call this function while executing a "
- "remove listener: %!+t", trace);
BT_ASSERT_PRE(has_listener_id(trace, listener_id),
- "Trace has no such \"trace is static\" listener ID: "
+ "Trace has no such trace destruction listener ID: "
"%![trace-]+t, %" PRIu64, trace, listener_id);
- elem = &g_array_index(trace->is_static_listeners,
- struct bt_trace_is_static_listener_elem,
+ elem = &g_array_index(trace->destruction_listeners,
+ struct bt_trace_destruction_listener_elem,
listener_id);
BT_ASSERT(elem->func);
- if (elem->removed) {
- /* Call remove listener */
- BT_LIB_LOGV("Calling remove listener: "
- "%![trace-]+t, listener-id=%" PRIu64,
- trace, listener_id);
- trace->in_remove_listener = true;
- elem->removed((void *) trace, elem->data);
- trace->in_remove_listener = false;
- }
-
elem->func = NULL;
- elem->removed = NULL;
elem->data = NULL;
- BT_LIB_LOGV("Removed \"trace is static\" listener: "
+ BT_LIB_LOGV("Removed \"trace destruction listener: "
"%![trace-]+t, listener-id=%" PRIu64,
trace, listener_id);
return BT_TRACE_STATUS_OK;
projects / babeltrace.git / commitdiff
