X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf-writer%2Fevent.h;fp=include%2Fbabeltrace%2Fctf-writer%2Fevent.h;h=0928e083362c61bf9e597265f044db4a87907001;hb=8c18d80b69a10f94980d33e6f1c1bdb26b447487;hp=fc7ec5d574cf98f2ebb84398998e886ea21fd548;hpb=faec0807cd032e833756c134daecb3668a780cf9;p=babeltrace.git

diff --git a/include/babeltrace/ctf-writer/event.h b/include/babeltrace/ctf-writer/event.h
index fc7ec5d5..0928e083 100644
--- a/include/babeltrace/ctf-writer/event.h
+++ b/include/babeltrace/ctf-writer/event.h
@@ -1,3 +1,6 @@
+#ifndef BABELTRACE_CTF_WRITER_EVENT_H
+#define BABELTRACE_CTF_WRITER_EVENT_H
+
 /*
  * BabelTrace - CTF Writer: Event
  *
@@ -29,3 +32,51 @@
 
 #include <babeltrace/ctf-ir/event-class.h>
 #include <babeltrace/ctf-ir/event.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * bt_ctf_event_get and bt_ctf_event_put: increment and decrement
+ * the event's reference count.
+ *
+ * You may also use bt_ctf_get() and bt_ctf_put() with event objects.
+ *
+ * These functions ensure that the event won't be destroyed while it
+ * is in use. The same number of get and put (plus one extra put to
+ * release the initial reference done at creation) have to be done to
+ * destroy an event.
+ *
+ * When the event's reference count is decremented to 0 by a
+ * bt_ctf_event_put, the event is freed.
+ *
+ * @param event Event instance.
+ */
+extern void bt_ctf_event_get(struct bt_ctf_event *event);
+extern void bt_ctf_event_put(struct bt_ctf_event *event);
+
+/*
+ * bt_ctf_event_class_get and bt_ctf_event_class_put: increment and decrement
+ * the event class' reference count.
+ *
+ * You may also use bt_ctf_get() and bt_ctf_put() with event class objects.
+ *
+ * These functions ensure that the event class won't be destroyed while it
+ * is in use. The same number of get and put (plus one extra put to
+ * release the initial reference done at creation) have to be done to
+ * destroy an event class.
+ *
+ * When the event class' reference count is decremented to 0 by a
+ * bt_ctf_event_class_put, the event class is freed.
+ *
+ * @param event_class Event class.
+ */
+extern void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class);
+extern void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BABELTRACE_CTF_WRITER_EVENT_H */