rdmapp::cq Class Reference

This class is an abstraction of a Completion Queue. More...

#include <rdmapp/cq.h>

Inheritance diagram for rdmapp::cq:

Collaboration diagram for rdmapp::cq:

Public Member Functions
	cq (std::shared_ptr< device > device, size_t num_cqe=128)
	Construct a new cq object.
bool	poll (struct ibv_wc &wc)
	Poll the completion queue.
size_t	poll (std::vector< struct ibv_wc > &wc_vec)
	Poll the completion queue.
template<class It >
size_t	poll (It wc, int count)
template<int N>
size_t	poll (std::array< struct ibv_wc, N > &wc_array)
Public Member Functions inherited from rdmapp::noncopyable
	noncopyable (noncopyable &&)=default
	noncopyable (noncopyable const &)=delete
noncopyable &	operator= (noncopyable const &)=delete
noncopyable &	operator= (noncopyable &&)=default

Friends
class	qp

Detailed Description

This class is an abstraction of a Completion Queue.

Constructor & Destructor Documentation

cq()

rdmapp::cq::cq	(	std::shared_ptr< device >	device,
		size_t	num_cqe = 128
	)

Construct a new cq object.

Parameters

device	The device to use.
num_cqe	The number of completion entries to allocate.

Member Function Documentation

poll() [1/2]

size_t rdmapp::cq::poll

(

std::vector< struct ibv_wc > &

wc_vec

)

Poll the completion queue.

Parameters

wc_vec

If any, this will be filled with completion entries up to the size of the vector.

Returns

size_t The number of completion entries. 0 means no completion entry.

Exceptions

std::runtime_exception

Error occured while polling the completion queue.

poll() [2/2]

bool rdmapp::cq::poll

(

struct ibv_wc &

wc

)

Poll the completion queue.

Parameters

wc	If any, this will be filled with a completion entry.

Returns

true If there is a completion entry.

false If there is no completion entry.

Exceptions

std::runtime_exception

Error occured while polling the completion queue.

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

• include/rdmapp/cq.h
• src/cq.cc