openmsx::Poller Class Reference

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

#include <Poller.hh>

Public Member Functions
	Poller ()
	Poller (const Poller &)=delete
	Poller (Poller &&)=delete
Poller &	operator= (const Poller &)=delete
Poller &	operator= (Poller &&)=delete
	~Poller ()
bool	poll (int fd)
	Waits for an event to occur on the given file descriptor.
bool	aborted () const
	Returns true iff abort() was called.
void	abort ()
	Aborts a poll in progress and any future poll attempts.
void	reset ()
	Reset aborted() to false.

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() [1/3]

openmsx::Poller::Poller

(

)

Definition at line 12 of file Poller.cc.

Poller() [2/3]

openmsx::Poller::Poller ( const Poller &  )

delete

Poller() [3/3]

openmsx::Poller::Poller ( Poller &&  )

delete

~Poller()

openmsx::Poller::~Poller

(

)

Definition at line 22 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 30 of file Poller.cc.

Referenced by openmsx::CliConnection::end(), openmsx::SocketConnection::output(), openmsx::MidiInReader::unplugHelper(), openmsx::RS232Net::unplugHelper(), and openmsx::RS232Tester::unplugHelper().

aborted()

bool openmsx::Poller::aborted ( ) const

inline

Returns true iff abort() was called.

Definition at line 33 of file Poller.hh.

operator=() [1/2]

Poller & openmsx::Poller::operator= ( const Poller &  )

delete

operator=() [2/2]

Poller & openmsx::Poller::operator= ( Poller &&  )

delete

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 42 of file Poller.cc.

References poll().

Referenced by poll().

reset()

void openmsx::Poller::reset ( )

inline

Reset aborted() to false.

(Functionally the same, but more efficient than destroying and recreating this object).

Definition at line 43 of file Poller.hh.

Referenced by openmsx::MidiInReader::plugHelper(), openmsx::RS232Net::plugHelper(), and openmsx::RS232Tester::plugHelper().

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

• Poller.hh
• Poller.cc