X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fust-events.h;h=1a548f1a2f04a2d7e87aca1632b1f7efbc774ae5;hb=7e50e956e4e84bc668335a926e2ba44659be1088;hp=2bf05d56af0b199a492541304badeb0e0d982306;hpb=37d5e202caa8a899c2cd403130ec9982e823156b;p=lttng-ust.git

diff --git a/include/lttng/ust-events.h b/include/lttng/ust-events.h
index 2bf05d56..1a548f1a 100644
--- a/include/lttng/ust-events.h
+++ b/include/lttng/ust-events.h
@@ -4,29 +4,31 @@
 /*
  * lttng/ust-events.h
  *
- * Copyright 2010 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010-2012 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
  * Holds LTTng per-session event registry.
  *
- * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
- * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
  *
- * Permission is hereby granted to use or copy this program
- * for any purpose,  provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
  */
 
 #include <urcu/list.h>
 #include <urcu/hlist.h>
-#include <uuid/uuid.h>
 #include <stdint.h>
 #include <lttng/ust-abi.h>
 #include <lttng/ust-tracer.h>
-#include <endian.h>
+#include <lttng/ust-endian.h>
 #include <float.h>
 
+#define LTTNG_UST_UUID_LEN		16
+
 struct ltt_channel;
 struct ltt_session;
 struct lttng_ust_lib_ring_buffer_ctx;
@@ -210,11 +212,12 @@ struct lttng_ctx {
 #define LTTNG_UST_EVENT_DESC_PADDING	40
 struct lttng_event_desc {
 	const char *name;
-	void *probe_callback;
+	void (*probe_callback)(void);
 	const struct lttng_event_ctx *ctx;	/* context */
 	const struct lttng_event_field *fields;	/* event payload */
 	unsigned int nr_fields;
 	const int **loglevel;
+	const char *signature;	/* Argument types/names received */
 	char padding[LTTNG_UST_EVENT_DESC_PADDING];
 };
 
@@ -269,6 +272,7 @@ struct lttng_ust_tracepoint_list {
 };
 
 struct ust_pending_probe;
+struct ltt_event;
 
 /*
  * ltt_event structure is referred to by the tracing fast path. It must be
@@ -279,7 +283,7 @@ struct ltt_event {
 	struct ltt_channel *chan;
 	int enabled;
 	const struct lttng_event_desc *desc;
-	void *filter;
+	void (*filter)(struct ltt_event *event);
 	struct lttng_ctx *ctx;
 	enum lttng_ust_instrumentation instrumentation;
 	union {
@@ -352,7 +356,7 @@ struct ltt_channel {
 	/* Channel ID, available for consumer too */
 	unsigned int id;
 	/* Copy of session UUID for consumer (availability through shm) */
-	uuid_t uuid;			/* Trace session unique ID */
+	unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
 };
 
 struct ltt_session {
@@ -365,7 +369,7 @@ struct ltt_session {
 	struct cds_list_head wildcards;	/* Wildcard list head */
 	struct cds_list_head list;	/* Session list */
 	unsigned int free_chan_id;	/* Next chan ID to allocate */
-	uuid_t uuid;			/* Trace session unique ID */
+	unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
 	unsigned int metadata_dumped:1;
 };
 
@@ -399,7 +403,7 @@ struct ltt_channel *ltt_global_channel_create(struct ltt_session *session,
 
 int ltt_event_create(struct ltt_channel *chan,
 		struct lttng_ust_event *event_param,
-		void *filter,
+		void (*filter)(struct ltt_event *event),
 		struct ltt_event **event);
 
 int ltt_channel_enable(struct ltt_channel *channel);
@@ -431,9 +435,9 @@ int lttng_add_procname_to_ctx(struct lttng_ctx **ctx);
 void lttng_context_vtid_reset(void);
 void lttng_context_vpid_reset(void);
 
-const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_metadata;
-const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_discard;
-const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_overwrite;
+extern const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_metadata;
+extern const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_discard;
+extern const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_overwrite;
 
 struct ltt_transport *ltt_transport_find(const char *name);