gr_head Class Reference
[Signal Processing Blocks]

#include <gr_head.h>

Inheritance diagram for gr_head:

[legend]

Collaboration diagram for gr_head:

[legend]

List of all members.

---

Detailed Description

copies the first N items to the output then signals done

Useful for building test cases

Public Member Functions
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
Friends
gr_block_sptr	gr_make_head (size_t sizeof_stream_item, int nitems)

---

Member Function Documentation

int gr_head::work	(	int	noutput_items,
		gr_vector_const_void_star &	input_items,
		gr_vector_void_star &	output_items
	)			[virtual]

just like gr_block::general_work, only this arranges to call consume_each for you

The user must override work to define the signal processing code

Implements gr_sync_block.

References gr_basic_block::input_signature(), and min().

---

Friends And Related Function Documentation

gr_block_sptr gr_make_head	(	size_t	sizeof_stream_item,
		int	nitems
	)			[friend]

---

The documentation for this class was generated from the following files:

• gr_head.h
• gr_head.cc