lttng-abi: Document ioctl numbers reserved by lttng-abi-old.h

[lttng-modules.git] / lttng-ring-buffer-metadata-client.h

diff --git a/lttng-ring-buffer-metadata-client.h b/lttng-ring-buffer-metadata-client.h
index c441372e3a45245ba34191d63ef1f976bfd67ccd..17ffd7593812a45af8f80e75a7b25e1301e4cfe9 100644 (file)
--- a/lttng-ring-buffer-metadata-client.h
+++ b/lttng-ring-buffer-metadata-client.h
@@ -1,23 +1,10 @@
-/*
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+ *
  * lttng-ring-buffer-client.h
  *
  * LTTng lib ring buffer client template.
  *
  * 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
  */
 
 #include <linux/module.h>
@@ -58,7 +45,8 @@ static inline
 size_t record_header_size(const struct lib_ring_buffer_config *config,
                                 struct channel *chan, size_t offset,
                                 size_t *pre_header_padding,
-                                struct lib_ring_buffer_ctx *ctx)
+                                struct lib_ring_buffer_ctx *ctx,
+                                void *client_ctx)
 {
        return 0;
 }
@@ -74,7 +62,8 @@ static
 size_t client_record_header_size(const struct lib_ring_buffer_config *config,
                                 struct channel *chan, size_t offset,
                                 size_t *pre_header_padding,
-                                struct lib_ring_buffer_ctx *ctx)
+                                struct lib_ring_buffer_ctx *ctx,
+                                void *client_ctx)
 {
        return 0;
 }
@@ -312,7 +301,15 @@ void lttng_buffer_read_close(struct lib_ring_buffer *buf)
 static
 int lttng_event_reserve(struct lib_ring_buffer_ctx *ctx, uint32_t event_id)
 {
-       return lib_ring_buffer_reserve(&client_config, ctx);
+       int ret;
+
+       ret = lib_ring_buffer_reserve(&client_config, ctx, NULL);
+       if (ret)
+               return ret;
+       lib_ring_buffer_backend_get_pages(&client_config, ctx,
+                       &ctx->backend_pages);
+       return 0;
+
 }
 
 static
@@ -446,6 +443,10 @@ static void __exit lttng_ring_buffer_client_exit(void)
 module_exit(lttng_ring_buffer_client_exit);
 
 MODULE_LICENSE("GPL and additional rights");
-MODULE_AUTHOR("Mathieu Desnoyers");
+MODULE_AUTHOR("Mathieu Desnoyers <mathieu.desnoyers@efficios.com>");
 MODULE_DESCRIPTION("LTTng ring buffer " RING_BUFFER_MODE_TEMPLATE_STRING
                   " client");
+MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
+       __stringify(LTTNG_MODULES_MINOR_VERSION) "."
+       __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
+       LTTNG_MODULES_EXTRAVERSION);