GNU Radio Manual and C++ API Reference  3.7.13.4
The Free & Open Software Radio Ecosystem
gr::messages::msg_queue Class Reference

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. More...
 
pmt::pmt_t delete_head ()
 Delete message from head of queue and return it. Block if no message is available. More...
 
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(). More...
 
void flush ()
 Delete all messages from the queue. More...
 
bool empty_p () const
 is the queue empty? More...
 
bool full_p () const
 is the queue full? More...
 
unsigned int count () const
 return number of messages in queue More...
 
unsigned int limit () const
 return limit on number of message in queue. 0 -> unbounded More...
 

Detailed Description

thread-safe message queue

Constructor & Destructor Documentation

gr::messages::msg_queue::msg_queue ( unsigned int  limit)
gr::messages::msg_queue::~msg_queue ( )

Member Function Documentation

unsigned int gr::messages::msg_queue::count ( ) const
inline

return number of messages in queue

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().

bool gr::messages::msg_queue::empty_p ( ) const
inline

is the queue empty?

void gr::messages::msg_queue::flush ( )

Delete all messages from the queue.

bool gr::messages::msg_queue::full_p ( ) const
inline

is the queue full?

void gr::messages::msg_queue::insert_tail ( pmt::pmt_t  msg)

Insert message at tail of queue.

Parameters
msgmessage

Block if queue if full.

unsigned int gr::messages::msg_queue::limit ( ) const
inline

return limit on number of message in queue. 0 -> unbounded


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