Wait for the destruction of sessions before tearing down main thread

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

diff --git a/src/bin/lttng-sessiond/session.h b/src/bin/lttng-sessiond/session.h
index 6a059798d925afbd681f07a898f866e7dc8374f2..ec03029205163cd5e230337850fed5a88edcad63 100644 (file)
--- a/src/bin/lttng-sessiond/session.h
+++ b/src/bin/lttng-sessiond/session.h
@@ -47,6 +47,11 @@ struct ltt_session_list {
         * iterate or/and do any actions on that list.
         */
        pthread_mutex_t lock;
+       /*
+        * This condition variable is signaled on every removal from
+        * the session list.
+        */
+       pthread_cond_t removal_cond;
 
        /*
         * Session unique ID generator. The session list lock MUST be
@@ -232,7 +237,9 @@ struct lttng_trace_archive_location *session_get_trace_archive_location(
 
 struct ltt_session *session_find_by_name(const char *name);
 struct ltt_session *session_find_by_id(uint64_t id);
+
 struct ltt_session_list *session_get_list(void);
+void session_list_wait_empty(void);
 
 int session_access_ok(struct ltt_session *session, uid_t uid, gid_t gid);