Add a -l/--load option to the session-daemon

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

diff --git a/src/bin/lttng-sessiond/load-session-thread.h b/src/bin/lttng-sessiond/load-session-thread.h
new file mode 100644 (file)
index 0000000..b7cd763
--- /dev/null
+++ b/src/bin/lttng-sessiond/load-session-thread.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2014 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License, version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef LOAD_SESSION_THREAD_H
+#define LOAD_SESSION_THREAD_H
+
+#include <semaphore.h>
+
+/* Data passed to the thread. */
+struct load_session_thread_data {
+       /* Flag if the sem_init() has been done successfully on the sem. */
+       unsigned int sem_initialized:1;
+
+       /*
+        * The load session thread waits on that semaphore which the client thread
+        * will do a sem_post() to unblock it.
+        */
+       sem_t message_thread_ready;
+
+       /* Path where the sessions are located. */
+       const char *path;
+};
+
+void *thread_load_session(void *data);
+
+int load_session_init_data(struct load_session_thread_data **data);
+void load_session_destroy_data(struct load_session_thread_data *data);
+
+#endif /* LOAD_SESSION_THREAD_H */