Add jul.c/.h to sessiond code

[lttng-tools.git] / src / bin / lttng-sessiond / lttng-sessiond.h

diff --git a/src/bin/lttng-sessiond/lttng-sessiond.h b/src/bin/lttng-sessiond/lttng-sessiond.h
index a0916c5663cdb4394f581f8c2abcaaec54fa8c45..aeb03037073f67dedab460903482891ccb5489e5 100644 (file)
--- a/src/bin/lttng-sessiond/lttng-sessiond.h
+++ b/src/bin/lttng-sessiond/lttng-sessiond.h
@@ -65,12 +65,39 @@ struct ust_cmd_queue {
        struct cds_wfq_queue queue;
 };
 
+/*
+ * This is the wait queue containing wait nodes during the application
+ * registration process.
+ */
+struct ust_reg_wait_queue {
+       unsigned long count;
+       struct cds_list_head head;
+};
+
+/*
+ * Use by the dispatch registration to queue UST command socket to wait for the
+ * notify socket.
+ */
+struct ust_reg_wait_node {
+       struct ust_app *app;
+       struct cds_list_head head;
+};
+
 /*
  * This pipe is used to inform the thread managing application notify
  * communication that a command is queued and ready to be processed.
  */
 extern int apps_cmd_notify_pipe[2];
 
+/*
+ * Used to notify that a hash table needs to be destroyed by dedicated
+ * thread. Required by design because we don't want to move destroy
+ * paths outside of large RCU read-side lock paths, and destroy cannot
+ * be called by call_rcu thread, because it may hang (waiting for
+ * call_rcu completion).
+ */
+extern int ht_cleanup_pipe[2];
+
 /*
  * Populated when the daemon starts with the current page size of the system.
  */
@@ -79,4 +106,6 @@ extern long page_size;
 int sessiond_set_thread_pollset(struct lttng_poll_event *events, size_t size);
 int sessiond_check_thread_quit_pipe(int fd, uint32_t events);
 
+void *thread_ht_cleanup(void *data);
+
 #endif /* _LTT_SESSIOND_H */