AsyncFw::PollNotifier Class Reference

The PollNotifier class Example: More...

#include <AsyncFw/PollNotifier>

Collaboration diagram for AsyncFw::PollNotifier:

Public Member Functions
	PollNotifier (int, AbstractThread::PollEvents=AbstractThread::PollIn)
	Constructs a poll notifier. It assigns the file descriptor, and watches for events.
bool	setDescriptor (int, AbstractThread::PollEvents=AbstractThread::PollIn)
	Assigns the file descriptor and watch events.
bool	setEvents (AbstractThread::PollEvents)
	Set watch events.
void	removeDescriptor ()
	Remove the file descriptor.
int	descriptor ()
	Returns the file descriptor.
bool	fail ()
	Returns true if error occurred.

Public Attributes
FunctionConnectorProtected< PollNotifier >::Connector< AbstractThread::PollEvents >	notify
	The PollNotifier::notify connector.

Detailed Description

The PollNotifier class Example:

/*
 * This exfample for Unix-like systems only
*/
#include <iostream>
#include <AsyncFw/MainThread>
#include <AsyncFw/PollNotifier>
 
int main(int argc, char *argv[]) {
  AsyncFw::PollNotifier notifier(STDIN_FILENO);
  notifier.notify([&notifier](AsyncFw::AbstractThread::PollEvents e) {
    char buf[128];
    int r = read(STDIN_FILENO, buf, sizeof(buf) - 1);
    buf[r] = 0;
    if (r == 2 && buf[0] == 'q') AsyncFw::MainThread::exit();
    (std::cout << "stdin: " << buf).flush();
  });
  (std::cout << "Start Applicaiton" << std::endl).flush();
  int ret = AsyncFw::MainThread::exec();
  return ret;
}

Constructor & Destructor Documentation

PollNotifier()

PollNotifier::PollNotifier	(	int	fd,
		AbstractThread::PollEvents	events = AbstractThread::PollIn )

Constructs a poll notifier. It assigns the file descriptor, and watches for events.

Parameters

fd	file descriptor
events	watch events

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Member Function Documentation

setDescriptor()

bool PollNotifier::setDescriptor	(	int	fd,
		AbstractThread::PollEvents	events = AbstractThread::PollIn )

Assigns the file descriptor and watch events.

Parameters

fd	file descriptor
events	watch events

Returns

True if descriptor is set

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setEvents()

bool PollNotifier::setEvents

(

AbstractThread::PollEvents

events

)

Set watch events.

Parameters

events

watch events

Returns

True if events is set

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

• main/PollNotifier.h
• main/PollNotifier.cpp