qpoll.cpp File Reference

#include "qcore_unix_p.h"

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Macros
#define	QT_POLL_READ_MASK   (POLLIN | POLLRDNORM)
#define	QT_POLL_WRITE_MASK   (POLLOUT | POLLWRNORM | POLLWRBAND)
#define	QT_POLL_EXCEPT_MASK   (POLLPRI | POLLRDBAND)
#define	QT_POLL_ERROR_MASK   (POLLERR | POLLNVAL)
#define	QT_POLL_EVENTS_MASK   (QT_POLL_READ_MASK | QT_POLL_WRITE_MASK | QT_POLL_EXCEPT_MASK)

Functions
static int	qt_poll_prepare (struct pollfd *fds, nfds_t nfds, fd_set *read_fds, fd_set *write_fds, fd_set *except_fds)
static void	qt_poll_examine_ready_read (struct pollfd &pfd)
static int	qt_poll_sweep (struct pollfd *fds, nfds_t nfds, fd_set *read_fds, fd_set *write_fds, fd_set *except_fds)
static bool	qt_poll_is_bad_fd (int fd)
static int	qt_poll_mark_bad_fds (struct pollfd *fds, const nfds_t nfds)
int	qt_poll (struct pollfd *fds, nfds_t nfds, const struct timespec *timeout_ts)

Macro Definition Documentation

QT_POLL_ERROR_MASK

#define QT_POLL_ERROR_MASK   (POLLERR | POLLNVAL)

Definition at line 15 of file qpoll.cpp.

QT_POLL_EVENTS_MASK

#define QT_POLL_EVENTS_MASK   (QT_POLL_READ_MASK | QT_POLL_WRITE_MASK | QT_POLL_EXCEPT_MASK)

Definition at line 16 of file qpoll.cpp.

QT_POLL_EXCEPT_MASK

#define QT_POLL_EXCEPT_MASK   (POLLPRI | POLLRDBAND)

Definition at line 14 of file qpoll.cpp.

QT_POLL_READ_MASK

#define QT_POLL_READ_MASK   (POLLIN | POLLRDNORM)

Definition at line 12 of file qpoll.cpp.

QT_POLL_WRITE_MASK

#define QT_POLL_WRITE_MASK   (POLLOUT | POLLWRNORM | POLLWRBAND)

Definition at line 13 of file qpoll.cpp.

Function Documentation

qt_poll()

int qt_poll	(	struct pollfd *	fds,
		nfds_t	nfds,
		const struct timespec *	timeout_ts
	)

Definition at line 136 of file qpoll.cpp.

References forever, i, QT_POLL_EVENTS_MASK, qt_poll_is_bad_fd(), qt_poll_mark_bad_fds(), qt_poll_prepare(), qt_poll_sweep(), ret, select(), and timespecToTimeval().

Referenced by qt_ppoll().

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qt_poll_examine_ready_read()

static void qt_poll_examine_ready_read ( struct pollfd &  pfd )

inlinestatic

Definition at line 52 of file qpoll.cpp.

References EINTR_LOOP, error, and QT_POLL_READ_MASK.

Referenced by qt_poll_sweep().

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qt_poll_is_bad_fd()

static bool qt_poll_is_bad_fd ( int  fd )

inlinestatic

Definition at line 104 of file qpoll.cpp.

References EINTR_LOOP, and ret.

Referenced by qt_poll(), and qt_poll_mark_bad_fds().

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qt_poll_mark_bad_fds()

static int qt_poll_mark_bad_fds ( struct pollfd *  fds, const nfds_t  nfds  )

inlinestatic

Definition at line 116 of file qpoll.cpp.

References i, QT_POLL_ERROR_MASK, and qt_poll_is_bad_fd().

Referenced by qt_poll().

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qt_poll_prepare()

static int qt_poll_prepare ( struct pollfd *  fds, nfds_t  nfds, fd_set *  read_fds, fd_set *  write_fds, fd_set *  except_fds  )

inlinestatic

Definition at line 18 of file qpoll.cpp.

References i, qMax(), QT_POLL_ERROR_MASK, QT_POLL_EVENTS_MASK, QT_POLL_EXCEPT_MASK, QT_POLL_READ_MASK, and QT_POLL_WRITE_MASK.

Referenced by qt_poll().

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qt_poll_sweep()

static int qt_poll_sweep ( struct pollfd *  fds, nfds_t  nfds, fd_set *  read_fds, fd_set *  write_fds, fd_set *  except_fds  )

inlinestatic

Definition at line 79 of file qpoll.cpp.

References i, qt_poll_examine_ready_read(), QT_POLL_EXCEPT_MASK, and QT_POLL_WRITE_MASK.

Referenced by qt_poll().

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