*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
*/
#include <stdio.h>
+#include <stdlib.h>
#include <urcu/compiler.h>
#include <urcu/rculist.h>
#include <lttng/ust-events.h>
#include <lttng/ringbuffer-config.h>
#include <lttng/ust-compiler.h>
+#include <lttng/tracepoint.h>
#include <string.h>
+#undef tp_list_for_each_entry_rcu
+#define tp_list_for_each_entry_rcu(pos, head, member) \
+ for (pos = cds_list_entry(tp_rcu_dereference_bp((head)->next), __typeof__(*pos), member); \
+ &pos->member != (head); \
+ pos = cds_list_entry(tp_rcu_dereference_bp(pos->member.next), __typeof__(*pos), member))
+
/*
* TRACEPOINT_EVENT_CLASS declares a class of tracepoints receiving the
* same arguments and having the same field layout.
return; \
if (caa_unlikely(!CMM_ACCESS_ONCE(__event->enabled))) \
return; \
+ if (caa_unlikely(!TP_RCU_LINK_TEST())) \
+ return; \
if (caa_unlikely(!cds_list_empty(&__event->bytecode_runtime_head))) { \
struct lttng_bytecode_runtime *bc_runtime; \
- int __filter_record = 0; \
+ int __filter_record = __event->has_enablers_without_bytecode; \
\
__event_prepare_filter_stack__##_provider##___##_name(__stackvar.__filter_stack_data, \
_TP_ARGS_DATA_VAR(_args)); \
- cds_list_for_each_entry_rcu(bc_runtime, &__event->bytecode_runtime_head, node) { \
+ tp_list_for_each_entry_rcu(bc_runtime, &__event->bytecode_runtime_head, node) { \
if (caa_unlikely(bc_runtime->filter(bc_runtime, \
__stackvar.__filter_stack_data) & LTTNG_FILTER_RECORD_FLAG)) \
__filter_record = 1; \
*/
_TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)();
ret = lttng_probe_register(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
- assert(!ret);
+ if (ret) {
+ fprintf(stderr, "LTTng-UST: Error (%d) while registering tracepoint probe. Duplicate registration of tracepoint probes having the same name is not allowed.\n", ret);
+ abort();
+ }
}
static void lttng_ust_notrace __attribute__((destructor))