Macros
#define	POLLRDNORM (1 << 0)
	Normal data may be read.
#define	POLLRDBAND (1 << 1)
	Priority data may be read.
#define	POLLPRI (1 << 2)
	High-priority data may be read.
#define	POLLOUT (1 << 3)
	Normal data may be written.
#define	POLLWRNORM POLLOUT
	Normal data may be written.
#define	POLLWRBAND (1 << 4)
	Priority data may be written.
#define	POLLERR (1 << 5)
	Error has occurred (revents only)
#define	POLLHUP (1 << 6)
	Peer disconnected (revents only)
#define	POLLNVAL (1 << 7)
	Invalid fd (revents only)
#define	POLLIN (POLLRDNORM \| POLLRDBAND)
	Data other than high-priority data may be read.

Detailed Description

These are the events that can be set in the events or revents fields of the struct pollfd.

Macro Definition Documentation

#define POLLERR (1 << 5)

Error has occurred (revents only)

#define POLLHUP (1 << 6)

Peer disconnected (revents only)

#define POLLIN (POLLRDNORM | POLLRDBAND)

Data other than high-priority data may be read.

#define POLLNVAL (1 << 7)

Invalid fd (revents only)

#define POLLOUT (1 << 3)

Normal data may be written.

#define POLLPRI (1 << 2)

High-priority data may be read.

#define POLLRDBAND (1 << 1)

Priority data may be read.

#define POLLRDNORM (1 << 0)

Normal data may be read.

#define POLLWRBAND (1 << 4)

Priority data may be written.

#define POLLWRNORM POLLOUT

Normal data may be written.