Polls for events on a given file descriptor. More...

#include <Poller.hh>

Public Member Functions
	Poller ()

	~Poller ()

bool	poll (int fd)
	Waits for an event to occur on the given file descriptor. More...

bool	aborted ()
	Returns true iff abort() was called. More...

void	abort ()
	Aborts a poll in progress and any future poll attempts. More...

Detailed Description

Polls for events on a given file descriptor.

It is possible to abort this poll from another thread. This class exists because in POSIX there is no straightforward way to abort a blocking I/O operation.

Definition at line 14 of file Poller.hh.

Constructor & Destructor Documentation

◆ Poller()

openmsx::Poller::Poller ( )

Definition at line 12 of file Poller.cc.

◆ ~Poller()

openmsx::Poller::~Poller ( )

Definition at line 23 of file Poller.cc.

Member Function Documentation

◆ abort()

void openmsx::Poller::abort ( )

Aborts a poll in progress and any future poll attempts.

Definition at line 31 of file Poller.cc.

Referenced by openmsx::CliConnection::end(), openmsx::SocketConnection::output(), openmsx::MidiInReader::unplugHelper(), and openmsx::RS232Tester::unplugHelper().

◆ aborted()

bool openmsx::Poller::aborted ( )

inline

Returns true iff abort() was called.

Definition at line 29 of file Poller.hh.

◆ poll()

bool openmsx::Poller::poll ( int fd )

Waits for an event to occur on the given file descriptor.

Returns true iff abort() was called or an error occurred.

Definition at line 43 of file Poller.cc.

References poll().

Referenced by poll().

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

Public Member Functions