thread-safe message queue More...
#include <gnuradio/messages/msg_queue.h>
Public Member Functions | |
| msg_queue (unsigned int limit) | |
| ~msg_queue () | |
| void | insert_tail (pmt::pmt_t msg) |
| Insert message at tail of queue. | |
| pmt::pmt_t | delete_head () |
| Delete message from head of queue and return it. Block if no message is available. | |
| pmt::pmt_t | delete_head_nowait () |
| If there's a message in the q, delete it and return it. If no message is available, return pmt::pmt_t(). | |
| 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 | |
thread-safe message queue
| gr::messages::msg_queue::msg_queue | ( | unsigned int | limit | ) |
References limit().
| gr::messages::msg_queue::~msg_queue | ( | ) |
|
inline |
return number of messages in queue
Referenced by full_p().
| pmt::pmt_t gr::messages::msg_queue::delete_head | ( | ) |
Delete message from head of queue and return it. Block if no message is available.
| pmt::pmt_t gr::messages::msg_queue::delete_head_nowait | ( | ) |
If there's a message in the q, delete it and return it. If no message is available, return pmt::pmt_t().
|
inline |
is the queue empty?
| void gr::messages::msg_queue::flush | ( | ) |
Delete all messages from the queue.
|
inline |
is the queue full?
References count().
| void gr::messages::msg_queue::insert_tail | ( | pmt::pmt_t | msg | ) |
Insert message at tail of queue.
| msg | message |
Block if queue if full.
|
inline |
return limit on number of message in queue. 0 -> unbounded
Referenced by msg_queue().