notification: add/remove tracer event source

[lttng-tools.git] / src / bin / lttng-sessiond / notification-thread-commands.c

diff --git a/src/bin/lttng-sessiond/notification-thread-commands.c b/src/bin/lttng-sessiond/notification-thread-commands.c
index a434b08cf47966309dc759d485d5ea23ce805bb3..7d47b77459d3aa4f149e2df52e5b4aa81c6ceb07 100644 (file)
--- a/src/bin/lttng-sessiond/notification-thread-commands.c
+++ b/src/bin/lttng-sessiond/notification-thread-commands.c
@@ -270,6 +270,60 @@ end:
        return ret_code;
 }
 
+enum lttng_error_code notification_thread_command_add_tracer_event_source(
+               struct notification_thread_handle *handle,
+               int tracer_event_source_fd,
+               enum lttng_domain_type domain)
+{
+       int ret;
+       enum lttng_error_code ret_code;
+       struct notification_thread_command cmd = {};
+
+       assert(tracer_event_source_fd >= 0);
+
+       init_notification_thread_command(&cmd);
+
+       cmd.type = NOTIFICATION_COMMAND_TYPE_ADD_TRACER_EVENT_SOURCE;
+       cmd.parameters.tracer_event_source.tracer_event_source_fd =
+                       tracer_event_source_fd;
+       cmd.parameters.tracer_event_source.domain = domain;
+
+       ret = run_command_wait(handle, &cmd);
+       if (ret) {
+               ret_code = LTTNG_ERR_UNK;
+               goto end;
+       }
+
+       ret_code = cmd.reply_code;
+end:
+       return ret_code;
+}
+
+enum lttng_error_code notification_thread_command_remove_tracer_event_source(
+               struct notification_thread_handle *handle,
+               int tracer_event_source_fd)
+{
+       int ret;
+       enum lttng_error_code ret_code;
+       struct notification_thread_command cmd = {};
+
+       init_notification_thread_command(&cmd);
+
+       cmd.type = NOTIFICATION_COMMAND_TYPE_REMOVE_TRACER_EVENT_SOURCE;
+       cmd.parameters.tracer_event_source.tracer_event_source_fd =
+                       tracer_event_source_fd;
+
+       ret = run_command_wait(handle, &cmd);
+       if (ret) {
+               ret_code = LTTNG_ERR_UNK;
+               goto end;
+       }
+
+       ret_code = cmd.reply_code;
+end:
+       return ret_code;
+}
+
 enum lttng_error_code notification_thread_command_list_triggers(
                struct notification_thread_handle *handle,
                uid_t uid,