X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Ftracepoint-internal.h;fp=include%2Flttng%2Ftracepoint-internal.h;h=928eb4f34d9db1f10c5ad6c5dce2a00338ca2544;hb=4318ae1be57eb7983ab4857a7a8eeb4a030a8216;hp=0000000000000000000000000000000000000000;hpb=d4419b81b243bc3a6bdd4a09b3ca2216d044a1c7;p=ust.git

diff --git a/include/lttng/tracepoint-internal.h b/include/lttng/tracepoint-internal.h
new file mode 100644
index 0000000..928eb4f3
--- /dev/null
+++ b/include/lttng/tracepoint-internal.h
@@ -0,0 +1,87 @@
+#ifndef _UST_TRACEPOINT_INTERNAL_H
+#define _UST_TRACEPOINT_INTERNAL_H
+
+/*
+ * tracepoint-internal.h
+ *
+ * Tracepoint internal header.
+ *
+ * Copyright (C) 2008 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
+ * Copyright (C) 2009 Pierre-Marc Fournier
+ * Copyright (C) 2009 Steven Rostedt <rostedt@goodmis.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ *
+ * Heavily inspired from the Linux Kernel Markers.
+ *
+ * Ported to userspace by Pierre-Marc Fournier.
+ */
+
+#include <urcu-bp.h>
+#include <lttng/core.h>
+#include <urcu/list.h>
+#include <lttng/tracepoint.h>
+
+struct tracepoint_lib {
+	struct tracepoint * const *tracepoints_start;
+	int tracepoints_count;
+	struct cds_list_head list;
+};
+
+extern int tracepoint_probe_register_noupdate(const char *name, void *probe,
+					      void *data);
+extern int tracepoint_probe_unregister_noupdate(const char *name, void *probe,
+						void *data);
+extern void tracepoint_probe_update_all(void);
+
+struct tracepoint_iter {
+	struct tracepoint_lib *lib;
+	struct tracepoint * const *tracepoint;
+};
+
+extern void tracepoint_iter_start(struct tracepoint_iter *iter);
+extern void tracepoint_iter_next(struct tracepoint_iter *iter);
+extern void tracepoint_iter_stop(struct tracepoint_iter *iter);
+extern void tracepoint_iter_reset(struct tracepoint_iter *iter);
+extern int tracepoint_get_iter_range(struct tracepoint * const **tracepoint,
+	struct tracepoint * const *begin, struct tracepoint * const *end);
+
+/*
+ * tracepoint_synchronize_unregister must be called between the last tracepoint
+ * probe unregistration and the end of module exit to make sure there is no
+ * caller executing a probe when it is freed.
+ */
+static inline void tracepoint_synchronize_unregister(void)
+{
+	synchronize_rcu();
+}
+
+struct trace_event_iter {
+	struct trace_event_lib *lib;
+	struct trace_event * const *trace_event;
+};
+
+extern void trace_event_iter_start(struct trace_event_iter *iter);
+extern void trace_event_iter_next(struct trace_event_iter *iter);
+extern void trace_event_iter_stop(struct trace_event_iter *iter);
+extern void trace_event_iter_reset(struct trace_event_iter *iter);
+
+extern void trace_event_update_process(void);
+extern int is_trace_event_enabled(const char *channel, const char *name);
+
+extern void init_tracepoint(void);
+extern void exit_tracepoint(void);
+
+#endif /* _UST_TRACEPOINT_INTERNAL_H */