void segment_manager_del_segment (segment_manager_t * sm,
fifo_segment_t * fs);
fifo_segment_t *segment_manager_get_segment (segment_manager_t * sm,
u32 segment_index);
fifo_segment_t *segment_manager_get_segment_w_handle (u64 sh);
void segment_manager_del_segment (segment_manager_t * sm,
fifo_segment_t * fs);
fifo_segment_t *segment_manager_get_segment (segment_manager_t * sm,
u32 segment_index);
fifo_segment_t *segment_manager_get_segment_w_handle (u64 sh);