thread-safe message queue More...
#include <gnuradio/msg_queue.h>
| Public Types | |
| typedef std::shared_ptr< msg_queue > | sptr | 
| Public Member Functions | |
| msg_queue (unsigned int limit) | |
| ~msg_queue () override | |
| void | handle (message::sptr msg) override | 
| Generic msg_handler method: insert the message. | |
| void | insert_tail (message::sptr msg) | 
| Insert message at tail of queue. | |
| message::sptr | delete_head () | 
| Delete message from head of queue and return it. Block if no message is available. | |
| message::sptr | delete_head_nowait () | 
| If there's a message in the q, delete it and return it. If no message is available, return 0. | |
| void | flush () | 
| Delete all messages from the queue. | |
| bool | empty_p () const | 
| is the queue empty? | |
| bool | full_p () const | 
| is the queue full? | |
| unsigned int | count () const | 
| return number of messages in queue | |
| unsigned int | limit () const | 
| return limit on number of message in queue. 0 -> unbounded | |
| Public Member Functions inherited from gr::msg_handler | |
| virtual | ~msg_handler () | 
| Static Public Member Functions | |
| static sptr | make (unsigned int limit=0) | 
thread-safe message queue
| typedef std::shared_ptr<msg_queue> gr::msg_queue::sptr | 
| gr::msg_queue::msg_queue | ( | unsigned int | limit | ) | 
References limit().
| 
 | override | 
| 
 | inline | 
return number of messages in queue
| message::sptr gr::msg_queue::delete_head | ( | ) | 
Delete message from head of queue and return it. Block if no message is available.
| message::sptr gr::msg_queue::delete_head_nowait | ( | ) | 
If there's a message in the q, delete it and return it. If no message is available, return 0.
| 
 | inline | 
is the queue empty?
| void gr::msg_queue::flush | ( | ) | 
Delete all messages from the queue.
| 
 | inline | 
is the queue full?
| 
 | inlineoverridevirtual | 
Generic msg_handler method: insert the message.
Implements gr::msg_handler.
References insert_tail().
| void gr::msg_queue::insert_tail | ( | message::sptr | msg | ) | 
Insert message at tail of queue.
| msg | message | 
Block if queue if full.
Referenced by handle().
| 
 | inline | 
return limit on number of message in queue. 0 -> unbounded
Referenced by make(), and msg_queue().