Hide libringbuffer private symbols

[lttng-ust.git] / libringbuffer / backend_internal.h

diff --git a/libringbuffer/backend_internal.h b/libringbuffer/backend_internal.h
index f492cc3eaff18cb36197f8cf0b0ed0161964cc60..b8a1699046ff293fc8fc0c2df447fd419753e7a5 100644 (file)
--- a/libringbuffer/backend_internal.h
+++ b/libringbuffer/backend_internal.h
@@ -1,29 +1,16 @@
-#ifndef _LTTNG_RING_BUFFER_BACKEND_INTERNAL_H
-#define _LTTNG_RING_BUFFER_BACKEND_INTERNAL_H
-
 /*
- * libringbuffer/backend_internal.h
- *
- * Ring buffer backend (internal helpers).
+ * SPDX-License-Identifier: LGPL-2.1-only
  *
  * Copyright (C) 2005-2012 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
+ * Ring buffer backend (internal helpers).
  */
 
+#ifndef _LTTNG_RING_BUFFER_BACKEND_INTERNAL_H
+#define _LTTNG_RING_BUFFER_BACKEND_INTERNAL_H
+
 #include <stddef.h>
+#include <stdint.h>
 #include <unistd.h>
 #include <urcu/compiler.h>
 
@@ -31,33 +18,44 @@
 #include "backend_types.h"
 #include "frontend_types.h"
 #include "shm.h"
+#include "ust-helper.h"
 
 /* Ring buffer backend API presented to the frontend */
 
 /* Ring buffer and channel backend create/free */
 
+LTTNG_HIDDEN
 int lib_ring_buffer_backend_create(struct lttng_ust_lib_ring_buffer_backend *bufb,
                                   struct channel_backend *chan, int cpu,
                                   struct lttng_ust_shm_handle *handle,
                                   struct shm_object *shmobj);
+LTTNG_HIDDEN
 void channel_backend_unregister_notifiers(struct channel_backend *chanb);
+LTTNG_HIDDEN
 void lib_ring_buffer_backend_free(struct lttng_ust_lib_ring_buffer_backend *bufb);
+LTTNG_HIDDEN
 int channel_backend_init(struct channel_backend *chanb,
                         const char *name,
                         const struct lttng_ust_lib_ring_buffer_config *config,
                         size_t subbuf_size,
                         size_t num_subbuf, struct lttng_ust_shm_handle *handle,
                         const int *stream_fds);
+LTTNG_HIDDEN
 void channel_backend_free(struct channel_backend *chanb,
                          struct lttng_ust_shm_handle *handle);
 
+LTTNG_HIDDEN
 void lib_ring_buffer_backend_reset(struct lttng_ust_lib_ring_buffer_backend *bufb,
                                   struct lttng_ust_shm_handle *handle);
+LTTNG_HIDDEN
 void channel_backend_reset(struct channel_backend *chanb);
 
+LTTNG_HIDDEN
 int lib_ring_buffer_backend_init(void);
+LTTNG_HIDDEN
 void lib_ring_buffer_backend_exit(void);
 
+LTTNG_HIDDEN
 extern void _lib_ring_buffer_write(struct lttng_ust_lib_ring_buffer_backend *bufb,
                                   size_t offset, const void *src, size_t len,
                                   ssize_t pagecpy);