gr_head Class Reference

copies the first N items to the output then signals done More...

#include <gr_head.h>

Inheritance diagram for gr_head:

List of all members.

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
void	reset ()
void	set_length (int nitems)
Friends
GR_CORE_API gr_head_sptr	gr_make_head (size_t sizeof_stream_item, unsigned long long nitems)

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Detailed Description

copies the first N items to the output then signals done

Useful for building test cases

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Member Function Documentation

void gr_head::reset

(

)

[inline]

void gr_head::set_length

(

int

nitems

)

[inline]

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.

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Friends And Related Function Documentation

GR_CORE_API gr_head_sptr gr_make_head	(	size_t	sizeof_stream_item,
		unsigned long long	nitems
	)		[friend]

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

• gr_head.h