X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fsession.h;h=82e409521c440c621f06d5d46a86d8cc380e6d6c;hp=6a059798d925afbd681f07a898f866e7dc8374f2;hb=92fe5ca1528abfa90cc26f767d274dbff61ffc61;hpb=e32d7f274604b77bcd83c24994e88df3761ed658

diff --git a/src/bin/lttng-sessiond/session.h b/src/bin/lttng-sessiond/session.h
index 6a059798d..82e409521 100644
--- 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
@@ -76,6 +81,8 @@ struct ltt_session {
 	pthread_mutex_t lock;
 	struct cds_list_head list;
 	uint64_t id;		/* session unique identifier */
+	/* Indicates if the session has been added to the session list and ht.*/
+	bool published;
 	/* Indicates if a destroy command has been applied to this session. */
 	bool destroyed;
 	/* UID/GID of the user owning the session */
@@ -107,9 +114,11 @@ struct ltt_session {
 	/* Indicate if the session has to output the traces or not. */
 	unsigned int output_traces;
 	/*
-	 * This session is in snapshot mode. This means that every channel enabled
-	 * will be set in overwrite mode and mmap. It is considered exclusively for
-	 * snapshot purposes.
+	 * This session is in snapshot mode. This means that channels enabled
+	 * will be set in overwrite mode by default and must be in mmap
+	 * output mode. Note that snapshots can be taken on a session that
+	 * is not in "snapshot_mode". This parameter only affects channel
+	 * creation defaults.
 	 */
 	unsigned int snapshot_mode;
 	/*
@@ -232,7 +241,9 @@ 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);