BPoll Class Reference

This class provides an interface for polling a number of file descriptors. It uses round robin polling. More...

#include <BPoll.h>

Public Types
typedef struct pollfd	PollFd

Public Member Functions
	BPoll ()
	~BPoll ()
void	append (int fd, int events=POLLIN|POLLERR|POLLHUP|POLLNVAL)
	Append a file descriptor to polling list.
void	delFd (int fd)
	Remove a file descriptor from polling list.
BError	doPoll (int &fd, int timeoutUs=-1)
	Perform polling operation.
BError	doPollEvents (int &fd, int &events, int timeoutUs=-1)
	Perform polling operation and return events.
int	getPollFdsNum ()
PollFd *	getPollFds ()
void	clear ()

Private Member Functions
int	nextFd (int i)

Private Attributes
int	ofdsNum
	The number of FD's in list.
PollFd *	ofds
	The list of poll fd's.
int	ofdsNext
	The next list entry for round robin polling.

Detailed Description

This class provides an interface for polling a number of file descriptors. It uses round robin polling.

Member Typedef Documentation

PollFd

typedef struct pollfd BPoll::PollFd

Constructor & Destructor Documentation

BPoll()

BPoll::BPoll

(

)

~BPoll()

BPoll::~BPoll

(

)

Member Function Documentation

append()

void BPoll::append	(	int	fd,
		int	events = POLLIN|POLLERR|POLLHUP|POLLNVAL
	)

Append a file descriptor to polling list.

clear()

void BPoll::clear

(

)

delFd()

void BPoll::delFd

(

int

fd

)

Remove a file descriptor from polling list.

doPoll()

BError BPoll::doPoll	(	int &	fd,
		int	timeoutUs = -1
	)

Perform polling operation.

doPollEvents()

BError BPoll::doPollEvents	(	int &	fd,
		int &	events,
		int	timeoutUs = -1
	)

Perform polling operation and return events.

getPollFds()

BPoll::PollFd * BPoll::getPollFds

(

)

getPollFdsNum()

int BPoll::getPollFdsNum

(

)

nextFd()

int BPoll::nextFd ( int  i )

private

Member Data Documentation

ofds

PollFd* BPoll::ofds

private

The list of poll fd's.

ofdsNext

int BPoll::ofdsNext

private

The next list entry for round robin polling.

ofdsNum

int BPoll::ofdsNum

private

The number of FD's in list.

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

• /src/cern/tms/tms/beam/libBeam/BPoll.h
• /src/cern/tms/tms/beam/libBeam/BPoll.cpp