gr::msg_queue Class Reference

thread-safe message queue More...

#include <gnuradio/msg_queue.h>

Inheritance diagram for gr::msg_queue:

Public Types
typedef boost::shared_ptr < msg_queue >	sptr

Public Member Functions
	msg_queue (unsigned int limit)
	~msg_queue ()
void	handle (message::sptr msg)
	Generic msg_handler method: insert the message. More...
void	insert_tail (message::sptr msg)
	Insert message at tail of queue. More...
message::sptr	delete_head ()
	Delete message from head of queue and return it. Block if no message is available. More...
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. 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...
Public Member Functions inherited from gr::msg_handler
virtual	~msg_handler ()

Static Public Member Functions
static sptr	make (unsigned int limit=0)

Detailed Description

thread-safe message queue

Member Typedef Documentation

typedef boost::shared_ptr<msg_queue> gr::msg_queue::sptr

Constructor & Destructor Documentation

gr::msg_queue::msg_queue

(

unsigned int

limit

)

gr::msg_queue::~msg_queue

(

)

Member Function Documentation

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

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.

bool gr::msg_queue::empty_p ( ) const

inline

is the queue empty?

void gr::msg_queue::flush

(

)

Delete all messages from the queue.

bool gr::msg_queue::full_p ( ) const

inline

is the queue full?

void gr::msg_queue::handle ( message::sptr  msg )

inlinevirtual

Generic msg_handler method: insert the message.

Implements gr::msg_handler.

void gr::msg_queue::insert_tail

(

message::sptr

msg

)

Insert message at tail of queue.

Parameters

msg

message

Block if queue if full.

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

inline

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

static sptr gr::msg_queue::make ( unsigned int  limit = 0 )

static

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

• msg_queue.h