diff options
Diffstat (limited to 'gnuradio-core/src/lib/runtime/gr_block.h')
| -rw-r--r-- | gnuradio-core/src/lib/runtime/gr_block.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/runtime/gr_block.h b/gnuradio-core/src/lib/runtime/gr_block.h index 71ac8eee6..c89138bb3 100644 --- a/gnuradio-core/src/lib/runtime/gr_block.h +++ b/gnuradio-core/src/lib/runtime/gr_block.h @@ -251,6 +251,43 @@ class GR_CORE_API gr_block : public gr_basic_block { */ void set_tag_propagation_policy(tag_propagation_policy_t p); + /*! + * \brief Return the maximum number of output items this block will + * handle during a call to work. + */ + int max_noutput_items(); + + /*! + * \brief Set the maximum number of ouput items htis block will + * handle during a call to work. + * + * \param m the maximum noutput_items this block will handle. + */ + void set_max_noutput_items(int m); + + /*! + * \brief Clear the switch for using the max_noutput_items value of this block. + * + * When is_set_max_noutput_items() returns 'true', the scheduler + * will use the value returned by max_noutput_items() to limit the + * size of the number of items possible for this block's work + * function. If is_set_max_notput_items() returns 'false', then the + * scheduler ignores the internal value and uses the value set + * globally in the top_block. + * + * Use this value to clear the 'is_set' flag so the scheduler will + * ignore this. Use the set_max_noutput_items(m) call to both set a + * new value for max_noutput_items and to reenable its use in the + * scheduler. + */ + void unset_max_noutput_items(); + + /*! + * \brief Ask the block if the flag is or is not set to use the + * internal value of max_noutput_items during a call to work. + */ + bool is_set_max_noutput_items(); + // ---------------------------------------------------------------------------- private: @@ -263,6 +300,8 @@ class GR_CORE_API gr_block : public gr_basic_block { gr_block_detail_sptr d_detail; // implementation details unsigned d_history; bool d_fixed_rate; + bool d_max_noutput_items_set; // if d_max_noutput_items is valid + int d_max_noutput_items; // value of max_noutput_items for this block tag_propagation_policy_t d_tag_propagation_policy; // policy for moving tags downstream protected: |