fix: redundant decl of channel_destroy (-Wredundant-decls)

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

diff --git a/libringbuffer/frontend_internal.h b/libringbuffer/frontend_internal.h
index c8a54e96a83cd52ed1f29877c1b98cd1871ced4e..c0be36f5168674c9a2dd1544de770e745bc25b0f 100644 (file)
--- a/libringbuffer/frontend_internal.h
+++ b/libringbuffer/frontend_internal.h
@@ -17,17 +17,19 @@
 #include <stdint.h>
 #include <pthread.h>
 
-#include <lttng/ringbuffer-config.h>
+#include <lttng/ringbuffer-context.h>
+#include "ringbuffer-config.h"
 #include "backend_types.h"
+#include "backend_internal.h"
 #include "frontend_types.h"
 #include "shm.h"
-#include "ust-helper.h"
 
 /* Buffer offset macros */
 
 /* buf_trunc mask selects only the buffer number. */
 static inline
-unsigned long buf_trunc(unsigned long offset, struct channel *chan)
+unsigned long buf_trunc(unsigned long offset,
+                       struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        return offset & ~(chan->backend.buf_size - 1);
 
@@ -35,35 +37,40 @@ unsigned long buf_trunc(unsigned long offset, struct channel *chan)
 
 /* Select the buffer number value (counter). */
 static inline
-unsigned long buf_trunc_val(unsigned long offset, struct channel *chan)
+unsigned long buf_trunc_val(unsigned long offset,
+                       struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        return buf_trunc(offset, chan) >> chan->backend.buf_size_order;
 }
 
 /* buf_offset mask selects only the offset within the current buffer. */
 static inline
-unsigned long buf_offset(unsigned long offset, struct channel *chan)
+unsigned long buf_offset(unsigned long offset,
+                       struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        return offset & (chan->backend.buf_size - 1);
 }
 
 /* subbuf_offset mask selects the offset within the current subbuffer. */
 static inline
-unsigned long subbuf_offset(unsigned long offset, struct channel *chan)
+unsigned long subbuf_offset(unsigned long offset,
+                       struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        return offset & (chan->backend.subbuf_size - 1);
 }
 
 /* subbuf_trunc mask selects the subbuffer number. */
 static inline
-unsigned long subbuf_trunc(unsigned long offset, struct channel *chan)
+unsigned long subbuf_trunc(unsigned long offset,
+                       struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        return offset & ~(chan->backend.subbuf_size - 1);
 }
 
 /* subbuf_align aligns the offset to the next subbuffer. */
 static inline
-unsigned long subbuf_align(unsigned long offset, struct channel *chan)
+unsigned long subbuf_align(unsigned long offset,
+                       struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        return (offset + chan->backend.subbuf_size)
               & ~(chan->backend.subbuf_size - 1);
@@ -71,7 +78,8 @@ unsigned long subbuf_align(unsigned long offset, struct channel *chan)
 
 /* subbuf_index returns the index of the current subbuffer within the buffer. */
 static inline
-unsigned long subbuf_index(unsigned long offset, struct channel *chan)
+unsigned long subbuf_index(unsigned long offset,
+                       struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        return buf_offset(offset, chan) >> chan->backend.subbuf_size_order;
 }
@@ -139,21 +147,21 @@ int last_tsc_overflow(const struct lttng_ust_lib_ring_buffer_config *config,
 }
 #endif
 
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 extern
 int lib_ring_buffer_reserve_slow(struct lttng_ust_lib_ring_buffer_ctx *ctx,
                void *client_ctx);
 
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 extern
 void lib_ring_buffer_switch_slow(struct lttng_ust_lib_ring_buffer *buf,
                                 enum switch_mode mode,
                                 struct lttng_ust_shm_handle *handle);
 
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 void lib_ring_buffer_check_deliver_slow(const struct lttng_ust_lib_ring_buffer_config *config,
                                   struct lttng_ust_lib_ring_buffer *buf,
-                                  struct channel *chan,
+                                  struct lttng_ust_lib_ring_buffer_channel *chan,
                                   unsigned long offset,
                                   unsigned long commit_count,
                                   unsigned long idx,
@@ -164,7 +172,7 @@ void lib_ring_buffer_check_deliver_slow(const struct lttng_ust_lib_ring_buffer_c
 
 static inline
 void lib_ring_buffer_reserve_push_reader(struct lttng_ust_lib_ring_buffer *buf,
-                                        struct channel *chan,
+                                        struct lttng_ust_lib_ring_buffer_channel *chan,
                                         unsigned long offset)
 {
        unsigned long consumed_old, consumed_new;
@@ -203,7 +211,7 @@ static inline
 void lib_ring_buffer_clear_reader(struct lttng_ust_lib_ring_buffer *buf,
                                  struct lttng_ust_shm_handle *handle)
 {
-       struct channel *chan;
+       struct lttng_ust_lib_ring_buffer_channel *chan;
        const struct lttng_ust_lib_ring_buffer_config *config;
        unsigned long offset, consumed_old, consumed_new;
 
@@ -226,7 +234,7 @@ void lib_ring_buffer_clear_reader(struct lttng_ust_lib_ring_buffer *buf,
 static inline
 int lib_ring_buffer_pending_data(const struct lttng_ust_lib_ring_buffer_config *config,
                                 struct lttng_ust_lib_ring_buffer *buf,
-                                struct channel *chan)
+                                struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        return !!subbuf_offset(v_read(config, &buf->offset), chan);
 }
@@ -248,7 +256,7 @@ unsigned long lib_ring_buffer_get_data_size(const struct lttng_ust_lib_ring_buff
 static inline
 int lib_ring_buffer_reserve_committed(const struct lttng_ust_lib_ring_buffer_config *config,
                                      struct lttng_ust_lib_ring_buffer *buf,
-                                     struct channel *chan,
+                                     struct lttng_ust_lib_ring_buffer_channel *chan,
                                      struct lttng_ust_shm_handle *handle)
 {
        unsigned long offset, idx, commit_count;
@@ -288,7 +296,7 @@ int lib_ring_buffer_reserve_committed(const struct lttng_ust_lib_ring_buffer_con
 static inline
 void lib_ring_buffer_check_deliver(const struct lttng_ust_lib_ring_buffer_config *config,
                                   struct lttng_ust_lib_ring_buffer *buf,
-                                  struct channel *chan,
+                                  struct lttng_ust_lib_ring_buffer_channel *chan,
                                   unsigned long offset,
                                   unsigned long commit_count,
                                   unsigned long idx,
@@ -316,7 +324,7 @@ void lib_ring_buffer_check_deliver(const struct lttng_ust_lib_ring_buffer_config
 static inline
 void lib_ring_buffer_write_commit_counter(const struct lttng_ust_lib_ring_buffer_config *config,
                                          struct lttng_ust_lib_ring_buffer *buf,
-                                         struct channel *chan,
+                                         struct lttng_ust_lib_ring_buffer_channel *chan,
                                          unsigned long buf_offset,
                                          unsigned long commit_count,
                                          struct lttng_ust_shm_handle *handle,
@@ -341,17 +349,18 @@ void lib_ring_buffer_write_commit_counter(const struct lttng_ust_lib_ring_buffer
                v_set(config, &cc_hot->seq, commit_count);
 }
 
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 extern int lib_ring_buffer_create(struct lttng_ust_lib_ring_buffer *buf,
                                  struct channel_backend *chanb, int cpu,
                                  struct lttng_ust_shm_handle *handle,
                                  struct shm_object *shmobj);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 extern void lib_ring_buffer_free(struct lttng_ust_lib_ring_buffer *buf,
                                 struct lttng_ust_shm_handle *handle);
 
 /* Keep track of trap nesting inside ring buffer code */
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 extern DECLARE_URCU_TLS(unsigned int, lib_ring_buffer_nesting);
 
 #endif /* _LTTNG_RING_BUFFER_FRONTEND_INTERNAL_H */