X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=libringbuffer%2Fshm_types.h;h=11076d296ae3da2b046e57560d0b545e7ab8b761;hb=3ff7660f2ce6362de87a48bc45c9a98b9c785472;hp=10fb1ae005402d5e256b9b1d5bb8cf0480ec2049;hpb=7a7849896a95db678d916ccb7c5d91371828e3f8;p=lttng-ust.git

diff --git a/libringbuffer/shm_types.h b/libringbuffer/shm_types.h
index 10fb1ae0..11076d29 100644
--- a/libringbuffer/shm_types.h
+++ b/libringbuffer/shm_types.h
@@ -4,24 +4,43 @@
 /*
  * libringbuffer/shm_types.h
  *
- * Copyright 2011 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * Dual LGPL v2.1/GPL v2 license.
+ * 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
  */
 
 #include <stdint.h>
+#include <limits.h>
 #include "shm_internal.h"
 
 struct channel;
 
+enum shm_object_type {
+	SHM_OBJECT_SHM,
+	SHM_OBJECT_MEM,
+};
+
 struct shm_object {
+	enum shm_object_type type;
 	size_t index;	/* within the object table */
 	int shm_fd;	/* shm fd */
 	int wait_fd[2];	/* fd for wait/wakeup */
 	char *memory_map;
-	int is_shadow;
 	size_t memory_map_size;
-	size_t allocated_len;
+	uint64_t allocated_len;
+	int shm_fd_ownership;
 };
 
 struct shm_object_table {
@@ -33,12 +52,6 @@ struct shm_object_table {
 struct lttng_ust_shm_handle {
 	struct shm_object_table *table;
 	DECLARE_SHMP(struct channel, chan);
-	/*
-	 * In the consumer, chan points to a shadow copy, validated upon
-	 * reception. The chan object is overridden in the consumer to
-	 * point to this shadow copy.
-	 */
-	struct channel *shadow_chan;
 };
 
 #endif /* _LIBRINGBUFFER_SHM_TYPES_H */