#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);
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;
}