X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-events.h;h=8b0803e40b4c22ebd6129c790596393af4629808;hb=8fca602a71eb37b43aabbb88c47a577272ed75b0;hp=aca645459820fe1de4eca570795980c205c67036;hpb=2fa2d39a42f3407edcb0664bf4d04af28837ea2c;p=lttng-modules.git

diff --git a/lttng-events.h b/lttng-events.h
index aca64545..8b0803e4 100644
--- a/lttng-events.h
+++ b/lttng-events.h
@@ -1,28 +1,15 @@
-#ifndef _LTTNG_EVENTS_H
-#define _LTTNG_EVENTS_H
-
-/*
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+ *
  * lttng-events.h
  *
  * Holds LTTng per-session event registry.
  *
  * Copyright (C) 2010-2012 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; only
- * 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
  */
 
+#ifndef _LTTNG_EVENTS_H
+#define _LTTNG_EVENTS_H
+
 #include <linux/version.h>
 #include <linux/list.h>
 #include <linux/kprobes.h>
@@ -219,8 +206,12 @@ struct lttng_ctx_field {
 		struct lttng_perf_counter_field *perf_counter;
 	} u;
 	void (*destroy)(struct lttng_ctx_field *field);
-	/* private data to keep state between get_size and record */
-	void *private;
+	/*
+	 * Private data to keep state between get_size and record.
+	 * User must perform its own synchronization to protect against
+	 * concurrent and reentrant contexts.
+	 */
+	void *priv;
 };
 
 struct lttng_ctx {