X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=libringbuffer%2Fshm.h;h=64507463dadb8cc0fe1d2f9e7bc5d36a09546179;hb=f574bfb4d81b26d3cfc0243868d138e33470a950;hp=e4a466e5a2f0853c12644885f1b20f39c380eb7e;hpb=c0c0989ab70574e09b2f7e8b48c2da6af664a849;p=lttng-ust.git diff --git a/libringbuffer/shm.h b/libringbuffer/shm.h index e4a466e5..64507463 100644 --- a/libringbuffer/shm.h +++ b/libringbuffer/shm.h @@ -15,17 +15,25 @@ #include "shm_types.h" /* channel_handle_create - for UST. */ +__attribute__((visibility("hidden"))) extern struct lttng_ust_shm_handle *channel_handle_create(void *data, uint64_t memory_map_size, int wakeup_fd); + /* channel_handle_add_stream - for UST. */ +__attribute__((visibility("hidden"))) extern int channel_handle_add_stream(struct lttng_ust_shm_handle *handle, int shm_fd, int wakeup_fd, uint32_t stream_nr, uint64_t memory_map_size); + +__attribute__((visibility("hidden"))) unsigned int channel_handle_get_nr_streams(struct lttng_ust_shm_handle *handle); + +__attribute__((visibility("hidden"))) extern -void channel_destroy(struct channel *chan, struct lttng_ust_shm_handle *handle, +void channel_destroy(struct lttng_ust_lib_ring_buffer_channel *chan, + struct lttng_ust_shm_handle *handle, int consumer); /* @@ -73,18 +81,27 @@ void _set_shmp(struct shm_ref *ref, struct shm_ref src) #define set_shmp(ref, src) _set_shmp(&(ref)._ref, src) +__attribute__((visibility("hidden"))) struct shm_object_table *shm_object_table_create(size_t max_nb_obj); + +__attribute__((visibility("hidden"))) struct shm_object *shm_object_table_alloc(struct shm_object_table *table, size_t memory_map_size, enum shm_object_type type, const int stream_fd, int cpu); + +__attribute__((visibility("hidden"))) struct shm_object *shm_object_table_append_shm(struct shm_object_table *table, int shm_fd, int wakeup_fd, uint32_t stream_nr, size_t memory_map_size); + /* mem ownership is passed to shm_object_table_append_mem(). */ +__attribute__((visibility("hidden"))) struct shm_object *shm_object_table_append_mem(struct shm_object_table *table, void *mem, size_t memory_map_size, int wakeup_fd); + +__attribute__((visibility("hidden"))) void shm_object_table_destroy(struct shm_object_table *table, int consumer); /* @@ -94,7 +111,10 @@ void shm_object_table_destroy(struct shm_object_table *table, int consumer); * *NOT* multithread-safe (should be protected by mutex). * Returns a -1, -1 tuple on error. */ +__attribute__((visibility("hidden"))) struct shm_ref zalloc_shm(struct shm_object *obj, size_t len); + +__attribute__((visibility("hidden"))) void align_shm(struct shm_object *obj, size_t align); static inline