#include <usterr-signal-safe.h>
#include <urcu/compiler.h>
#include "shm_types.h"
-#include "ust-helper.h"
/* channel_handle_create - for UST. */
-LTTNG_HIDDEN
+__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. */
-LTTNG_HIDDEN
+__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);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
unsigned int channel_handle_get_nr_streams(struct lttng_ust_shm_handle *handle);
-LTTNG_HIDDEN
-extern
-void channel_destroy(struct channel *chan, struct lttng_ust_shm_handle *handle,
- int consumer);
/*
* Pointer dereferencing. We don't trust the shm_ref, so we validate
return &obj->memory_map[ref_offset];
}
-#define shmp_index(handle, ref, index) \
- ({ \
- __typeof__((ref)._type) ____ptr_ret; \
- ____ptr_ret = (__typeof__(____ptr_ret)) _shmp_offset((handle)->table, &(ref)._ref, index, sizeof(*____ptr_ret)); \
- ____ptr_ret; \
- })
+#define shmp_index(handle, ref, index) \
+ ((__typeof__((ref)._type)) _shmp_offset((handle)->table, &(ref)._ref, index, sizeof(*((ref)._type))))
#define shmp(handle, ref) shmp_index(handle, ref, 0)
#define set_shmp(ref, src) _set_shmp(&(ref)._ref, src)
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
struct shm_object_table *shm_object_table_create(size_t max_nb_obj);
-LTTNG_HIDDEN
+
+__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);
-LTTNG_HIDDEN
+
+__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(). */
-LTTNG_HIDDEN
+__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);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
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.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
struct shm_ref zalloc_shm(struct shm_object *obj, size_t len);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
void align_shm(struct shm_object *obj, size_t align);
static inline