actions: introduce action group

[lttng-tools.git] / include / lttng / action / group-internal.h

diff --git a/include/lttng/action/group-internal.h b/include/lttng/action/group-internal.h
new file mode 100644 (file)
index 0000000..cddee55
--- /dev/null
+++ b/include/lttng/action/group-internal.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2019 Simon Marchi <simon.marchi@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#ifndef LTTNG_ACTION_GROUP_INTERNAL_H
+#define LTTNG_ACTION_GROUP_INTERNAL_H
+
+#include <sys/types.h>
+
+#include <common/macros.h>
+
+struct lttng_action;
+struct lttng_payload_view;
+
+/*
+ * Create an action group from a payload view.
+ *
+ * On success, return the number of bytes consumed from `view`, and the created
+ * group in `*group`. On failure, return -1.
+ */
+LTTNG_HIDDEN
+extern ssize_t lttng_action_group_create_from_payload(
+               struct lttng_payload_view *view,
+               struct lttng_action **group);
+
+#endif /* LTTNG_ACTION_GROUP_INTERNAL_H */