struct shm_object *shm_object_table_append_shm(struct shm_object_table *table,
int shm_fd, int wakeup_fd, uint32_t stream_nr,
struct shm_object *shm_object_table_append_shm(struct shm_object_table *table,
int shm_fd, int wakeup_fd, uint32_t stream_nr,