Namespace private ABI lttng_transport_find symbol

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

diff --git a/libringbuffer/backend_internal.h b/libringbuffer/backend_internal.h
index b8a1699046ff293fc8fc0c2df447fd419753e7a5..f0a66d46de69acac2265408751b5d73bf9053f55 100644 (file)
--- a/libringbuffer/backend_internal.h
+++ b/libringbuffer/backend_internal.h
@@ -18,44 +18,49 @@
 #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
+__attribute__((visibility("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
+
+__attribute__((visibility("hidden")))
 void channel_backend_unregister_notifiers(struct channel_backend *chanb);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 void lib_ring_buffer_backend_free(struct lttng_ust_lib_ring_buffer_backend *bufb);
-LTTNG_HIDDEN
+
+__attribute__((visibility("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
+
+__attribute__((visibility("hidden")))
 void channel_backend_free(struct channel_backend *chanb,
                          struct lttng_ust_shm_handle *handle);
 
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 void lib_ring_buffer_backend_reset(struct lttng_ust_lib_ring_buffer_backend *bufb,
                                   struct lttng_ust_shm_handle *handle);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 void channel_backend_reset(struct channel_backend *chanb);
 
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 int lib_ring_buffer_backend_init(void);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 void lib_ring_buffer_backend_exit(void);
 
-LTTNG_HIDDEN
+__attribute__((visibility("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);
@@ -236,9 +241,6 @@ struct lttng_ust_lib_ring_buffer_backend_pages *
        lib_ring_buffer_get_backend_pages_from_ctx(const struct lttng_ust_lib_ring_buffer_config *config,
                struct lttng_ust_lib_ring_buffer_ctx *ctx)
 {
-       if (caa_unlikely(ctx->ctx_len
-                       < sizeof(struct lttng_ust_lib_ring_buffer_ctx)))
-               return NULL;
        return ctx->backend_pages;
 }