X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fcmd.h;h=c0fbee8f0ee2e220f0fb713309297aa7ef7665a5;hp=6a6c87eaa0b6ea303f11afb63e27c8243bc23857;hb=92816cc33a1add3c8276839bd6335e17423577dd;hpb=90936dcf0968343f20b2f6fd365b9c015cdb9717 diff --git a/src/bin/lttng-sessiond/cmd.h b/src/bin/lttng-sessiond/cmd.h index 6a6c87eaa..c0fbee8f0 100644 --- a/src/bin/lttng-sessiond/cmd.h +++ b/src/bin/lttng-sessiond/cmd.h @@ -23,6 +23,20 @@ struct notification_thread_handle; +/* + * A callback (and associated user data) that should be run after a command + * has been executed. No locks should be taken while executing this handler. + * + * The command's reply should not be sent until the handler has run and + * completed successfully. On failure, the handler's return code should + * be the only reply sent to the client. + */ +typedef enum lttng_error_code (*completion_handler_function)(void *); +struct cmd_completion_handler { + completion_handler_function run; + void *data; +}; + /* * Init the command subsystem. Must be called before using any of the functions * above. This is called in the main() of the session daemon. @@ -124,10 +138,11 @@ int cmd_rotate_session(struct ltt_session *session, int cmd_rotate_get_info(struct ltt_session *session, struct lttng_rotation_get_info_return *info_return, uint64_t rotate_id); -int cmd_session_get_current_output(struct ltt_session *session, - struct lttng_session_get_current_output_return *output_return); -int cmd_rotation_set_schedule(struct ltt_session *session, uint64_t timer_us, - uint64_t size, +int cmd_rotation_set_schedule(struct ltt_session *session, + bool activate, enum lttng_rotation_schedule_type schedule_type, + uint64_t value, struct notification_thread_handle *notification_thread_handle); +const struct cmd_completion_handler *cmd_pop_completion_handler(void); + #endif /* CMD_H */