23 #ifndef INCLUDED_GR_HEAD_H
24 #define INCLUDED_GR_HEAD_H
43 gr_head (
size_t sizeof_stream_item,
unsigned long long nitems);
45 unsigned long long d_nitems;
46 unsigned long long d_ncopied_items;
49 int work (
int noutput_items,
50 gr_vector_const_void_star &input_items,
51 gr_vector_void_star &output_items);
53 void reset() { d_ncopied_items = 0; }
58 gr_make_head (
size_t sizeof_stream_item,
unsigned long long nitems);
void reset()
Definition: gr_head.h:53
GR_CORE_API gr_head_sptr gr_make_head(size_t sizeof_stream_item, unsigned long long nitems)
Definition: gr_sync_block.h:27
shared_ptr documentation stub
Definition: shared_ptr_docstub.h:15
#define GR_CORE_API
Definition: gr_core_api.h:30
void set_length(int nitems)
Definition: gr_head.h:54
copies the first N items to the output then signals doneUseful for building test cases ...
Definition: gr_head.h:40
virtual int work(int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
just like gr_block::general_work, only this arranges to call consume_each for you ...