Update licensing info

[lttng-modules.git] / ltt-tracer-core.h

diff --git a/ltt-tracer-core.h b/ltt-tracer-core.h
index 1ac8c5b32eb36f35238ce60db23f43a7f4d0c9d2..d464877de4f23b016c49dc86e432a2c9bb75505e 100644 (file)
--- a/ltt-tracer-core.h
+++ b/ltt-tracer-core.h
@@ -1,46 +1,33 @@
+#ifndef LTT_TRACER_CORE_H
+#define LTT_TRACER_CORE_H
+
 /*
- * Copyright (C) 2005,2006 Mathieu Desnoyers (mathieu.desnoyers@polymtl.ca)
+ * ltt-tracer-core.h
+ *
+ * Copyright (C) 2005-2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
  * This contains the core definitions for the Linux Trace Toolkit.
  *
  * Dual LGPL v2.1/GPL v2 license.
  */
 
-#ifndef LTT_TRACER_CORE_H
-#define LTT_TRACER_CORE_H
-
 #include <linux/list.h>
 #include <linux/percpu.h>
-#include <linux/ltt-core.h>
 
-/* ltt's root dir in debugfs */
-#define LTT_ROOT        "ltt"
-
-/*
- * All modifications of ltt_traces must be done by ltt-tracer.c, while holding
- * the semaphore. Only reading of this information can be done elsewhere, with
- * the RCU mechanism : the preemption must be disabled while reading the
- * list.
- */
-struct ltt_traces {
-       struct list_head setup_head;    /* Pre-allocated traces list */
-       struct list_head head;          /* Allocated Traces list */
-       unsigned int num_active_traces; /* Number of active traces */
-} ____cacheline_aligned;
-
-extern struct ltt_traces ltt_traces;
-
-/*
- * get dentry of ltt's root dir
- */
-struct dentry *get_ltt_root(void);
+#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+/* Align data on its natural alignment */
+#define RING_BUFFER_ALIGN
+#endif
 
-void put_ltt_root(void);
+#include "wrapper/ringbuffer/config.h"
 
-/* Keep track of trap nesting inside LTT */
-DECLARE_PER_CPU(unsigned int, ltt_nesting);
+struct ltt_session;
+struct ltt_channel;
+struct ltt_event;
 
-typedef int (*ltt_run_filter_functor)(void *trace, uint16_t eID);
+typedef int (*ltt_run_filter_functor)(struct ltt_session *session,
+                                     struct ltt_channel *chan,
+                                     struct ltt_event *event);
 
 extern ltt_run_filter_functor ltt_run_filter;