/* Ring buffer and channel backend create/free */
-__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);
+ struct shm_object *shmobj)
+ __attribute__((visibility("hidden")));
-__attribute__((visibility("hidden")))
-void channel_backend_unregister_notifiers(struct channel_backend *chanb);
+void channel_backend_unregister_notifiers(struct channel_backend *chanb)
+ __attribute__((visibility("hidden")));
-__attribute__((visibility("hidden")))
-void lib_ring_buffer_backend_free(struct lttng_ust_lib_ring_buffer_backend *bufb);
+void lib_ring_buffer_backend_free(struct lttng_ust_lib_ring_buffer_backend *bufb)
+ __attribute__((visibility("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);
+ const int *stream_fds)
+ __attribute__((visibility("hidden")));
-__attribute__((visibility("hidden")))
void channel_backend_free(struct channel_backend *chanb,
- struct lttng_ust_shm_handle *handle);
+ struct lttng_ust_shm_handle *handle)
+ __attribute__((visibility("hidden")));
-__attribute__((visibility("hidden")))
void lib_ring_buffer_backend_reset(struct lttng_ust_lib_ring_buffer_backend *bufb,
- struct lttng_ust_shm_handle *handle);
+ struct lttng_ust_shm_handle *handle)
+ __attribute__((visibility("hidden")));
-__attribute__((visibility("hidden")))
-void channel_backend_reset(struct channel_backend *chanb);
+void channel_backend_reset(struct channel_backend *chanb)
+ __attribute__((visibility("hidden")));
-__attribute__((visibility("hidden")))
-int lib_ring_buffer_backend_init(void);
+int lib_ring_buffer_backend_init(void)
+ __attribute__((visibility("hidden")));
-__attribute__((visibility("hidden")))
-void lib_ring_buffer_backend_exit(void);
+void lib_ring_buffer_backend_exit(void)
+ __attribute__((visibility("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);
+ ssize_t pagecpy)
+ __attribute__((visibility("hidden")));
/*
* Subbuffer ID bits for overwrite mode. Need to fit within a single word to be
* bits are identical, else 0.
*/
static inline
-int subbuffer_id_compare_offset(const struct lttng_ust_lib_ring_buffer_config *config,
- unsigned long id, unsigned long offset)
+int subbuffer_id_compare_offset(
+ const struct lttng_ust_lib_ring_buffer_config *config __attribute__((unused)),
+ unsigned long id, unsigned long offset)
{
return (id & SB_ID_OFFSET_MASK) == (offset << SB_ID_OFFSET_SHIFT);
}
struct lttng_ust_lib_ring_buffer_ctx *ctx,
struct lttng_ust_lib_ring_buffer_backend_pages **backend_pages)
{
- struct lttng_ust_lib_ring_buffer_backend *bufb = &ctx->buf->backend;
- struct channel_backend *chanb = &ctx->chan->backend;
- struct lttng_ust_shm_handle *handle = ctx->chan->handle;
+ struct lttng_ust_lib_ring_buffer_ctx_private *ctx_private = ctx->priv;
+ struct lttng_ust_lib_ring_buffer_backend *bufb = &ctx_private->buf->backend;
+ struct channel_backend *chanb = &ctx_private->chan->backend;
+ struct lttng_ust_shm_handle *handle = ctx_private->chan->handle;
size_t sbidx;
- size_t offset = ctx->buf_offset;
+ size_t offset = ctx_private->buf_offset;
struct lttng_ust_lib_ring_buffer_backend_subbuffer *wsb;
struct lttng_ust_lib_ring_buffer_backend_pages_shmp *rpages;
unsigned long sb_bindex, id;
rpages = shmp_index(handle, bufb->array, sb_bindex);
if (caa_unlikely(!rpages))
return -1;
- CHAN_WARN_ON(ctx->chan,
+ CHAN_WARN_ON(ctx_private->chan,
config->mode == RING_BUFFER_OVERWRITE
&& subbuffer_id_is_noref(config, id));
_backend_pages = shmp(handle, rpages->shmp);
/* Get backend pages from cache. */
static inline
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,
+ lib_ring_buffer_get_backend_pages_from_ctx(
+ const struct lttng_ust_lib_ring_buffer_config *config __attribute__((unused)),
struct lttng_ust_lib_ring_buffer_ctx *ctx)
{
- return ctx->backend_pages;
+ return ctx->priv->backend_pages;
}
/*
}
#else /* LTTNG_RING_BUFFER_COUNT_EVENTS */
static inline
-void subbuffer_count_record(const struct lttng_ust_lib_ring_buffer_config *config,
- const struct lttng_ust_lib_ring_buffer_ctx *ctx,
- struct lttng_ust_lib_ring_buffer_backend *bufb,
- unsigned long idx, struct lttng_ust_shm_handle *handle)
+void subbuffer_count_record(const struct lttng_ust_lib_ring_buffer_config *config __attribute__((unused)),
+ const struct lttng_ust_lib_ring_buffer_ctx *ctx __attribute__((unused)),
+ struct lttng_ust_lib_ring_buffer_backend *bufb __attribute__((unused)),
+ unsigned long idx __attribute__((unused)),
+ struct lttng_ust_shm_handle *handle __attribute__((unused)))
{
}
#endif /* #else LTTNG_RING_BUFFER_COUNT_EVENTS */
}
static inline
-void subbuffer_inc_packet_count(const struct lttng_ust_lib_ring_buffer_config *config,
+void subbuffer_inc_packet_count(
+ const struct lttng_ust_lib_ring_buffer_config *config __attribute__((unused)),
struct lttng_ust_lib_ring_buffer_backend *bufb,
unsigned long idx, struct lttng_ust_shm_handle *handle)
{
static inline
int update_read_sb_index(const struct lttng_ust_lib_ring_buffer_config *config,
struct lttng_ust_lib_ring_buffer_backend *bufb,
- struct channel_backend *chanb,
+ struct channel_backend *chanb __attribute__((unused)),
unsigned long consumed_idx,
unsigned long consumed_count,
struct lttng_ust_shm_handle *handle)
#define inline_memcpy(dest, src, n) memcpy(dest, src, n)
#endif
-static inline __attribute__((always_inline))
+static inline
+void lttng_inline_memcpy(void *dest, const void *src,
+ unsigned long len)
+ __attribute__((always_inline));
+static inline
void lttng_inline_memcpy(void *dest, const void *src,
unsigned long len)
{