X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=liblttng-ust%2Ftracepoint-internal.h;h=a4f8fc422de38a4885e7e170085573a1eb130dda;hb=1d18d519668cd559dcafa1f18113edceb2418ed0;hp=d736df4a1bd6a759753a75687af69057b73f301d;hpb=882a56d75d6054e1bf35d1bcddd668be4da4980f;p=lttng-ust.git

diff --git a/liblttng-ust/tracepoint-internal.h b/liblttng-ust/tracepoint-internal.h
index d736df4a..a4f8fc42 100644
--- a/liblttng-ust/tracepoint-internal.h
+++ b/liblttng-ust/tracepoint-internal.h
@@ -1,53 +1,59 @@
-#ifndef _LTTNG_TRACEPOINT_INTERNAL_H
-#define _LTTNG_TRACEPOINT_INTERNAL_H
-
 /*
- * Copyright (c) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * 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.
+ * SPDX-License-Identifier: LGPL-2.1-only
  *
- * 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
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  */
 
+#ifndef _LTTNG_TRACEPOINT_INTERNAL_H
+#define _LTTNG_TRACEPOINT_INTERNAL_H
+
 #include <urcu/list.h>
-#include <urcu-bp.h>
 #include <lttng/tracepoint-types.h>
+#include <lttng/ust-events.h>
 
-/*
- * default loglevel.
- */
-#define TRACE_DEFAULT		15
+#define TRACE_DEFAULT	TRACE_DEBUG_LINE
 
 struct tracepoint_lib {
-	struct cds_list_head list;
-	struct tracepoint * const *tracepoints_start;
+	struct cds_list_head list;	/* list of registered libs */
+	struct lttng_ust_tracepoint * const *tracepoints_start;
 	int tracepoints_count;
+	struct cds_list_head callsites;
 };
 
-extern int tracepoint_probe_register_noupdate(const char *name, void *callback, void *priv);
-extern int tracepoint_probe_unregister_noupdate(const char *name, void *callback, void *priv);
-extern void tracepoint_probe_update_all(void);
+int tracepoint_probe_register_noupdate(const char *name,
+		void (*callback)(void), void *priv,
+		const char *signature)
+	__attribute__((visibility("hidden")));
+
+int tracepoint_probe_unregister_noupdate(const char *name,
+		void (*callback)(void), void *priv)
+	__attribute__((visibility("hidden")));
+
+void tracepoint_probe_update_all(void)
+	__attribute__((visibility("hidden")));
+
+
+void *lttng_ust_tp_check_weak_hidden1(void)
+	__attribute__((visibility("hidden")));
+
+void *lttng_ust_tp_check_weak_hidden2(void)
+	__attribute__((visibility("hidden")));
+
+void *lttng_ust_tp_check_weak_hidden3(void)
+	__attribute__((visibility("hidden")));
 
 /*
- * call after disconnection of last probe implemented within a
- * shared object before unmapping the library that contains the probe.
+ * These symbols are ABI between liblttng-ust-tracepoint and liblttng-ust,
+ * which is why they are not hidden and not part of the public API.
  */
-static inline void tracepoint_synchronize_unregister(void)
-{
-	synchronize_rcu_bp();
-}
+int lttng_ust_tp_probe_register_queue_release(const char *name,
+		void (*func)(void), void *data, const char *signature);
+int lttng_ust_tp_probe_unregister_queue_release(const char *name,
+		void (*func)(void), void *data);
+void lttng_ust_tp_probe_prune_release_queue(void);
+
+void lttng_ust_tp_init(void);
+void lttng_ust_tp_exit(void);
 
-extern void init_tracepoint(void);
-extern void exit_tracepoint(void);
 
 #endif /* _LTTNG_TRACEPOINT_INTERNAL_H */